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131-531: The Cape Libraries Automated Materials Sharing (CLAMS) library network is a non-profit consortium of 35 member libraries and 38 locations throughout Cape Cod , Martha's Vineyard , and Nantucket . Since it was founded in 1988, the number of items available has grown from 568,000 in 1991 to over 1.6 million in 2022. Deliveries of materials between member libraries and other library networks in Massachusetts through an interlibrary loan program are made by
262-461: A 32-bit number. IPv4 is the initial version used on the first generation of the Internet and is still in dominant use. It was designed in 1981 to address up to ≈4.3 billion (10 ) hosts. However, the explosive growth of the Internet has led to IPv4 address exhaustion , which entered its final stage in 2011, when the global IPv4 address allocation pool was exhausted. Because of the growth of
393-515: A 4G network. The limits that users face on accessing information via mobile applications coincide with a broader process of fragmentation of the Internet . Fragmentation restricts access to media content and tends to affect the poorest users the most. Zero-rating , the practice of Internet service providers allowing users free connectivity to access specific content or applications without cost, has offered opportunities to surmount economic hurdles but has also been accused by its critics as creating
524-446: A special library or academic library, for example. Libraries may also be community hubs, where programmes are made available and people engage in lifelong learning. Modern libraries extend their services beyond the physical walls of the building by providing material accessible by electronic means, including from home via the Internet. The services that libraries offer are variously described as library services, information services, or
655-517: A blog, or building a website involves little initial cost and many cost-free services are available. However, publishing and maintaining large, professional web sites with attractive, diverse and up-to-date information is still a difficult and expensive proposition. Many individuals and some companies and groups use web logs or blogs, which are largely used as easily being able to update online diaries. Some commercial organizations encourage staff to communicate advice in their areas of specialization in
786-626: A collection of documents (web pages) and other web resources linked by hyperlinks and URLs . In the 1960s, computer scientists began developing systems for time-sharing of computer resources. J. C. R. Licklider proposed the idea of a universal network while working at Bolt Beranek & Newman and, later, leading the Information Processing Techniques Office (IPTO) at the Advanced Research Projects Agency (ARPA) of
917-593: A designated pool of addresses set aside for each region. The National Telecommunications and Information Administration , an agency of the United States Department of Commerce , had final approval over changes to the DNS root zone until the IANA stewardship transition on 1 October 2016. The Internet Society (ISOC) was founded in 1992 with a mission to "assure the open development, evolution and use of
1048-568: A framework known as the Internet protocol suite (also called TCP/IP , based on the first two components.) This is a suite of protocols that are ordered into a set of four conceptional layers by the scope of their operation, originally documented in RFC 1122 and RFC 1123 . At the top is the application layer , where communication is described in terms of the objects or data structures most appropriate for each application. For example,
1179-621: A large library, the card catalogue often filled a large room. The emergence of desktop computers and the Internet , however, has led to the adoption of electronic catalogue databases (often referred to as "webcats" or as online public access catalogues , OPACs), which allow users to search the library's holdings from any location with Internet access. This style of catalogue maintenance is compatible with new types of libraries, such as digital libraries and distributed libraries , as well as older libraries that have been retrofitted . Large libraries may be scattered within multiple buildings across
1310-538: A larger facility. Lamba (2019) reinforced this idea by observing that "today's libraries have become increasingly multi-disciplinary, collaborative and networked" and that applying Web 2.0 tools to libraries would "not only connect the users with their community and enhance communication but will also help the librarians to promote their library's activities, services, and products to target both their actual and potential users". Academic libraries are generally located on college and university campuses and primarily serve
1441-419: A larger market or even sell goods and services entirely online . Business-to-business and financial services on the Internet affect supply chains across entire industries. The Internet has no single centralized governance in either technological implementation or policies for access and usage; each constituent network sets its own policies. The overarching definitions of the two principal name spaces on
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#17327801152581572-484: A love of books. One of the most popular programs offered in public libraries are summer reading programs for children, families, and adults. Another popular reading program for children is PAWS TO READ or similar programs where children can read to certified therapy dogs. Since animals are a calming influence and there is no judgment, children learn confidence and a love of reading. Many states have these types of programs: parents need simply ask their librarian to see if it
1703-793: A national library, putting less emphasis on the repository character. The first national libraries had their origins in the royal collections of the sovereign or some other supreme body of the state. Many national libraries cooperate within the National Libraries Section of the International Federation of Library Associations and Institutions (IFLA) to discuss their common tasks, define and promote common standards, and carry out projects helping them to fulfill their duties. The national libraries of Europe participate in The European Library which
1834-597: A network into two or more networks is called subnetting . Computers that belong to a subnet are addressed with an identical most-significant bit -group in their IP addresses. This results in the logical division of an IP address into two fields, the network number or routing prefix and the rest field or host identifier . The rest field is an identifier for a specific host or network interface. The routing prefix may be expressed in Classless Inter-Domain Routing (CIDR) notation written as
1965-488: A node on a different subnetwork. Routing tables are maintained by manual configuration or automatically by routing protocols . End-nodes typically use a default route that points toward an ISP providing transit, while ISP routers use the Border Gateway Protocol to establish the most efficient routing across the complex connections of the global Internet. The default gateway is the node that serves as
2096-915: A parent organization and may serve only members of that organization. Examples of research libraries include the British Library , the Bodleian Library at Oxford University and the New York Public Library Main Branch on 42nd Street in Manhattan, State Public Scientific Technological Library of the Siberian Branch of the Russian Academy of Science . Digital libraries are libraries that house digital resources, such as text, photographs, and audio. These are curated by digital librarians. In
2227-678: A partnership with OverDrive in Spring 2008 to offer patrons 24 hours a day, 7 days a week access to a public digital library where they could check out ebook , audiobook , digital magazines, music, and video titles through the CLAMS OverDrive website. All of the public libraries participate in the OverDrive lending program. Cape Cod Community College is the only member of the CLAMS network that does not participate. However, students from
2358-436: A public body such as a government, an institution (such as a school or museum), a corporation, or a private individual. In addition to providing materials, libraries also provide the services of librarians who are trained experts in finding, selecting, circulating and organising information while interpreting information needs and navigating and analysing large amounts of information with a variety of resources. The area of study
2489-504: A reference library, which does not lend its holdings, or a lending library, which does lend all or some of its holdings. Some extremely large or traditional research libraries are entirely reference in this sense, lending none of their materials; most academic research libraries, at least in the US and the UK, now lend books, but not periodicals or other materials. Many research libraries are attached to
2620-430: A separate room or area for children. They are an educational agency seeking to acquaint the young with the world's literature and to cultivate a love for reading. Their work supplements that of the public schools. Services commonly provided by public libraries may include storytelling sessions for infants, toddlers, preschool children, or after-school programs, all with an intention of developing early literacy skills and
2751-593: A shorthand for internetwork in RFC 675 , and later RFCs repeated this use. Cerf and Kahn credit Louis Pouzin and others with important influences on the resulting TCP/IP design. National PTTs and commercial providers developed the X.25 standard and deployed it on public data networks . Access to the ARPANET was expanded in 1981 when the National Science Foundation (NSF) funded
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#17327801152582882-470: A sign of future growth, 15 sites were connected to the young ARPANET by the end of 1971. These early years were documented in the 1972 film Computer Networks: The Heralds of Resource Sharing . Thereafter, the ARPANET gradually developed into a decentralized communications network, connecting remote centers and military bases in the United States. Other user networks and research networks, such as
3013-444: A staff member. Ways in which a library's content is displayed or accessed may have an impact on use. An antiquated or clumsy search system, or staff unwilling or not properly trained to engage their patrons, will limit a library's usefulness. In the public libraries of the United States, beginning in the 19th century, these problems drove the emergence of the library instruction movement, which advocated library user education. One of
3144-424: A town, each having multiple floors, with multiple rooms housing their resources across a series of shelves called bays . Once a user has located a resource within the catalogue, they must then use navigational guidance to retrieve the resource physically, a process that may be assisted through signage, maps, GPS systems, or RFID tagging. Finland has the highest number of registered book borrowers per capita in
3275-596: A two-tiered Internet. To address the issues with zero-rating, an alternative model has emerged in the concept of 'equal rating' and is being tested in experiments by Mozilla and Orange in Africa. Equal rating prevents prioritization of one type of content and zero-rates all content up to a specified data cap. In a study published by Chatham House , 15 out of 19 countries researched in Latin America had some kind of hybrid or zero-rated product offered. Some countries in
3406-405: A university. Some items at reference libraries may be historical and even unique. Many lending libraries contain a "reference section", which holds books, such as dictionaries, which are common reference books, and are therefore not lent out. Such reference sections may be referred to as "reading rooms" or "study rooms", which may also include newspapers and periodicals. An example of a reading room
3537-466: A vast and diverse amount of online information. Compared to printed media, books, encyclopedias and traditional libraries, the World Wide Web has enabled the decentralization of information on a large scale. The Web has enabled individuals and organizations to publish ideas and information to a potentially large audience online at greatly reduced expense and time delay. Publishing a web page,
3668-696: A web browser operates in a client–server application model and exchanges information with the HyperText Transfer Protocol (HTTP) and an application-germane data structure, such as the HyperText Markup Language (HTML). Below this top layer, the transport layer connects applications on different hosts with a logical channel through the network. It provides this service with a variety of possible characteristics, such as ordered, reliable delivery (TCP), and an unreliable datagram service (UDP). Underlying these layers are
3799-581: A wide variety of other Internet software may be installed from app stores . Internet usage by mobile and tablet devices exceeded desktop worldwide for the first time in October 2016. The International Telecommunication Union (ITU) estimated that, by the end of 2017, 48% of individual users regularly connect to the Internet, up from 34% in 2012. Mobile Internet connectivity has played an important role in expanding access in recent years, especially in Asia and
3930-525: Is a network of networks that consists of private , public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless , and optical networking technologies. The Internet carries a vast range of information resources and services, such as the interlinked hypertext documents and applications of the World Wide Web (WWW), electronic mail , telephony , and file sharing . The origins of
4061-547: Is a global network that comprises many voluntarily interconnected autonomous networks. It operates without a central governing body. The technical underpinning and standardization of the core protocols ( IPv4 and IPv6 ) is an activity of the Internet Engineering Task Force (IETF), a non-profit organization of loosely affiliated international participants that anyone may associate with by contributing technical expertise. To maintain interoperability,
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4192-399: Is a large address block with 2 addresses, having a 32-bit routing prefix. For IPv4, a network may also be characterized by its subnet mask or netmask , which is the bitmask that when applied by a bitwise AND operation to any IP address in the network, yields the routing prefix. Subnet masks are also expressed in dot-decimal notation like an address. For example, 255.255.255.0 is
4323-653: Is a lending program that allows the patrons of one network to check out ebooks and audiobooks from the collection of another network. "This service is made possible by the CLAMS member libraries and the Massachusetts Board of Library Commissioners, with funding from the Institute of Museum and Library Services and the Commonwealth of Massachusetts." Library A library is a collection of books , and possibly other materials and media , that
4454-487: Is a service of the Conference of European National Librarians (CENL). A public library provides services to the general public. If the library is part of a countywide library system, citizens with an active library card from around that county can use the library branches associated with the library system. A library can serve only their city, however, if they are not a member of the county public library system. Much of
4585-847: Is accessible for use by its members and members of allied institutions. Libraries provide physical (hard copies) or digital (soft copies) materials, and may be a physical location, a virtual space, or both. A library's collection normally includes printed materials which may be borrowed, and usually also includes a reference section of publications which may only be utilized inside the premises. Resources such as commercial releases of films, television programmes, other video recordings, radio, music and audio recordings may be available in many formats. These include DVDs , Blu-rays , CDs , cassettes , or other applicable formats such as microform . They may also provide access to information, music or other content held on bibliographic databases . Libraries can vary widely in size and may be organised and maintained by
4716-470: Is an attempt to make the library a more user-driven institution. Despite the importance ascribed to public libraries, their budgets are often cut by legislatures. In some cases, funding has dwindled so much that libraries have been forced to cut their hours and release employees. A reference library does not lend books and other items; instead, they can only be read at the library itself. Typically, such libraries are used for research purposes, for example at
4847-476: Is available at their local library. A national or state library serves as a national repository of information, and has the right of legal deposit , which is a legal requirement that publishers in the country need to deposit a copy of each publication with the library. Unlike a public library, a national library rarely allows citizens to borrow books. Often, their collections include numerous rare, valuable, or significant works. There are wider definitions of
4978-435: Is known as library and information science . Library buildings often provide quiet areas for studying, as well as common areas for group study and collaboration, and may provide public facilities for access to their electronic resources, such as computers and access to the Internet . The library's clientele and general services offered vary depending on its type: users of a public library have different needs from those of
5109-824: Is most often an academic or national library , but a large special library may have a research library within its special field, and a very few of the largest public libraries also serve as research libraries. A large university library may be considered a research library; and in North America, such libraries may belong to the Association of Research Libraries . In the United Kingdom, they may be members of Research Libraries UK (RLUK) . Particularly important collections in England may be designated by Arts Council England . A research library can be either
5240-494: Is necessary to allocate address space efficiently. Subnetting may also enhance routing efficiency or have advantages in network management when subnetworks are administratively controlled by different entities in a larger organization. Subnets may be arranged logically in a hierarchical architecture, partitioning an organization's network address space into a tree-like routing structure. Computers and routers use routing tables in their operating system to direct IP packets to reach
5371-532: Is not directly interoperable by design with IPv4. In essence, it establishes a parallel version of the Internet not directly accessible with IPv4 software. Thus, translation facilities must exist for internetworking or nodes must have duplicate networking software for both networks. Essentially all modern computer operating systems support both versions of the Internet Protocol. Network infrastructure, however, has been lagging in this development. Aside from
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5502-497: Is not lent out. Travelling libraries, such as the early horseback libraries of eastern Kentucky and bookmobiles , are generally of the lending type. Modern libraries are often a mixture of both, containing a general collection for circulation, and a reference collection which is restricted to the library premises. Also, increasingly, digital collections enable broader access to material that may not circulate in print, and enables libraries to expand their collections even without building
5633-454: Is not practical to have available as hard copies. Furthermore, most libraries collaborate with other libraries in exchange of books. Specific course-related resources are usually provided by the library, such as copies of textbooks and article readings held on 'reserve' (meaning that they are loaned out only on a short-term basis, usually a matter of hours). Some academic libraries provide resources not usually associated with libraries, such as
5764-406: Is often accessed through high-performance content delivery networks . The World Wide Web is a global collection of documents , images , multimedia , applications, and other resources, logically interrelated by hyperlinks and referenced with Uniform Resource Identifiers (URIs), which provide a global system of named references. URIs symbolically identify services, web servers , databases, and
5895-471: Is particularly attractive to younger library users. Digitization of books, particularly those that are out-of-print , in projects such as Google Books provides resources for library and other online users. Due to their holdings of valuable material, some libraries are important partners for search engines such as Google in realizing the potential of such projects and have received reciprocal benefits in cases where they have negotiated effectively. As
6026-672: Is the Hazel H. Ransom Reading Room at the Harry Ransom Center of the University of Texas at Austin , which maintains the papers of literary agent Audrey Wood . A research library is a collection of materials on one or more subjects. A research library supports scholarly or scientific research and will generally include primary as well as secondary sources ; it will maintain permanent collections and attempt to provide access to all necessary materials. A research library
6157-555: The Oxford English Dictionary found that, based on a study of around 2.5 billion printed and online sources, "Internet" was capitalized in 54% of cases. The terms Internet and World Wide Web are often used interchangeably; it is common to speak of "going on the Internet" when using a web browser to view web pages . However, the World Wide Web , or the Web , is only one of a large number of Internet services,
6288-1050: The American Registry for Internet Numbers (ARIN) for North America , the Asia–Pacific Network Information Centre (APNIC) for Asia and the Pacific region , the Latin American and Caribbean Internet Addresses Registry (LACNIC) for Latin America and the Caribbean region, and the Réseaux IP Européens – Network Coordination Centre (RIPE NCC) for Europe , the Middle East , and Central Asia were delegated to assign IP address blocks and other Internet parameters to local registries, such as Internet service providers , from
6419-984: The Computer Science Network (CSNET). In 1982, the Internet Protocol Suite (TCP/IP) was standardized, which facilitated worldwide proliferation of interconnected networks. TCP/IP network access expanded again in 1986 when the National Science Foundation Network (NSFNet) provided access to supercomputer sites in the United States for researchers, first at speeds of 56 kbit/s and later at 1.5 Mbit/s and 45 Mbit/s. The NSFNet expanded into academic and research organizations in Europe, Australia, New Zealand and Japan in 1988–89. Although other network protocols such as UUCP and PTT public data networks had global reach well before this time, this marked
6550-544: The HyperText Markup Language (HTML), the first Web browser (which was also an HTML editor and could access Usenet newsgroups and FTP files), the first HTTP server software (later known as CERN httpd ), the first web server , and the first Web pages that described the project itself. In 1991 the Commercial Internet eXchange was founded, allowing PSInet to communicate with the other commercial networks CERFnet and Alternet. Stanford Federal Credit Union
6681-495: The International Network Working Group and commercial initiatives led to the development of various protocols and standards by which multiple separate networks could become a single network or "a network of networks". In 1974, Vint Cerf at Stanford University and Bob Kahn at DARPA published a proposal for "A Protocol for Packet Network Intercommunication". They used the term internet as
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#17327801152586812-680: The Internet in a number of ways, from creating its own library website to making the contents of its catalogues searchable online . Some specialised search engines such as Google Scholar offer a way to facilitate searching for academic resources such as journal articles and research papers. The Online Computer Library Center allows anyone to search the world's largest repository of library records through its WorldCat online database. Websites such as LibraryThing and Amazon provide abstracts, reviews, and recommendations of books. Libraries provide computers and Internet access to allow people to search for information online. Online information access
6943-413: The Internet . Public and institutional collections and services may be intended for use by people who choose not to—or cannot afford to—purchase an extensive collection themselves, who need material no individual can reasonably be expected to have, or who require professional assistance with their research. Services offered by a library are variously described as library services, information services, or
7074-739: The Massachusetts Library System located in Waltham . The network uses the Koha Integrated Library System (ILS) for staff function workflows: acquisitions, cataloging , circulation, ILL, and serials and Aspen Discovery for their patron's Online Public Access Catalog (OPAC). The libraries provide access to reference databases, digital libraries , free music online, museum passes, genealogy , workshops, and other free services that vary from each location. Cape Libraries Automated Materials Sharing began
7205-485: The Merit Network and CYCLADES , were developed in the late 1960s and early 1970s. Early international collaborations for the ARPANET were rare. Connections were made in 1973 to Norway ( NORSAR and NDRE ), and to Peter Kirstein's research group at University College London (UCL), which provided a gateway to British academic networks , forming the first internetwork for resource sharing . ARPA projects,
7336-530: The United States Department of Defense in collaboration with universities and researchers across the United States and in the United Kingdom and France . The ARPANET initially served as a backbone for the interconnection of regional academic and military networks in the United States to enable resource sharing . The funding of the National Science Foundation Network as a new backbone in
7467-401: The education of librarians and allied staff include accessibility of the collection, acquisition of materials, arrangement and finding tools, the book trade, the influence of the physical properties of the different writing materials, language distribution, role in education, rates of literacy, budgets, staffing, libraries for specially targeted audiences, architectural merit, patterns of usage,
7598-543: The 1980s, as well as private funding for other commercial extensions, encouraged worldwide participation in the development of new networking technologies and the merger of many networks using DARPA's Internet protocol suite . The linking of commercial networks and enterprises by the early 1990s, as well as the advent of the World Wide Web , marked the beginning of the transition to the modern Internet, and generated sustained exponential growth as generations of institutional, personal , and mobile computers were connected to
7729-648: The 21st century, there has been increasing use of the internet to gather and retrieve data. The shift to digital libraries has greatly impacted the way people use physical libraries. Between 2002 and 2004, the average American academic library saw the overall number of transactions decline approximately 2.2%. The University of California Library System saw a 54% decline in circulation between 1991 and 2001 of 8,377,000 books to 3,832,000. Many private businesses and public organizations, including hospitals, churches, museums, research laboratories, law firms, and many government departments and agencies, maintain their own libraries for
7860-618: The Internet age is a matter of growing concern and advocacy; privacy workshops are run by the Library Freedom Project which teach librarians about digital tools (such as the Tor network ) to thwart mass surveillance. Libraries can have several different spaces for different functions such as: Libraries are usually staffed by a combination of professionally trained librarians, paraprofessional staff sometimes called library technicians , and support staff. Some topics related to
7991-579: The Internet and the depletion of available IPv4 addresses , a new version of IP IPv6 , was developed in the mid-1990s, which provides vastly larger addressing capabilities and more efficient routing of Internet traffic. IPv6 uses 128 bits for the IP address and was standardized in 1998. IPv6 deployment has been ongoing since the mid-2000s and is currently in growing deployment around the world, since Internet address registries ( RIRs ) began to urge all resource managers to plan rapid adoption and conversion. IPv6
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#17327801152588122-685: The Internet are contained in specially designated RFCs that constitute the Internet Standards . Other less rigorous documents are simply informative, experimental, or historical, or document the best current practices (BCP) when implementing Internet technologies. The Internet carries many applications and services , most prominently the World Wide Web, including social media , electronic mail , mobile applications , multiplayer online games , Internet telephony , file sharing , and streaming media services. Most servers that provide these services are today hosted in data centers , and content
8253-444: The Internet can then be accessed from places such as a park bench. Experiments have also been conducted with proprietary mobile wireless networks like Ricochet , various high-speed data services over cellular networks, and fixed wireless services. Modern smartphones can also access the Internet through the cellular carrier network. For Web browsing, these devices provide applications such as Google Chrome , Safari , and Firefox and
8384-518: The Internet date back to research that enabled the time-sharing of computer resources, the development of packet switching in the 1960s and the design of computer networks for data communication . The set of rules ( communication protocols ) to enable internetworking on the Internet arose from research and development commissioned in the 1970s by the Defense Advanced Research Projects Agency (DARPA) of
8515-618: The Internet for the benefit of all people throughout the world" . Its members include individuals (anyone may join) as well as corporations, organizations , governments, and universities. Among other activities ISOC provides an administrative home for a number of less formally organized groups that are involved in developing and managing the Internet, including: the IETF, Internet Architecture Board (IAB), Internet Engineering Steering Group (IESG), Internet Research Task Force (IRTF), and Internet Research Steering Group (IRSG). On 16 November 2005,
8646-444: The Internet model is the Internet Protocol (IP). IP enables internetworking and, in essence, establishes the Internet itself. Two versions of the Internet Protocol exist, IPv4 and IPv6 . For locating individual computers on the network, the Internet provides IP addresses . IP addresses are used by the Internet infrastructure to direct internet packets to their destinations. They consist of fixed-length numbers, which are found within
8777-514: The Internet via local computer networks. Hotspots providing such access include Wi-Fi cafés, where users need to bring their own wireless devices, such as a laptop or PDA . These services may be free to all, free to customers only, or fee-based. Grassroots efforts have led to wireless community networks . Commercial Wi-Fi services that cover large areas are available in many cities, such as New York , London , Vienna , Toronto , San Francisco , Philadelphia , Chicago and Pittsburgh , where
8908-711: The Internet was included on USA Today ' s list of the New Seven Wonders . The word internetted was used as early as 1849, meaning interconnected or interwoven . The word Internet was used in 1945 by the United States War Department in a radio operator's manual, and in 1974 as the shorthand form of Internetwork. Today, the term Internet most commonly refers to the global system of interconnected computer networks , though it may also refer to any group of smaller networks. When it came into common use, most publications treated
9039-451: The Internet when needed to perform a function or obtain information, represent the bottom of the routing hierarchy. At the top of the routing hierarchy are the tier 1 networks , large telecommunication companies that exchange traffic directly with each other via very high speed fiber-optic cables and governed by peering agreements. Tier 2 and lower-level networks buy Internet transit from other providers to reach at least some parties on
9170-711: The Internet, the Internet Protocol address (IP address) space and the Domain Name System (DNS), are directed by a maintainer organization, the Internet Corporation for Assigned Names and Numbers (ICANN). The technical underpinning and standardization of the core protocols is an activity of the Internet Engineering Task Force (IETF), a non-profit organization of loosely affiliated international participants that anyone may associate with by contributing technical expertise. In November 2006,
9301-471: The NSFNET and Europe was installed between Cornell University and CERN , allowing much more robust communications than were capable with satellites. Later in 1990, Tim Berners-Lee began writing WorldWideWeb , the first web browser , after two years of lobbying CERN management. By Christmas 1990, Berners-Lee had built all the tools necessary for a working Web: the HyperText Transfer Protocol (HTTP) 0.9,
9432-507: The Pacific and in Africa. The number of unique mobile cellular subscriptions increased from 3.9 billion in 2012 to 4.8 billion in 2016, two-thirds of the world's population, with more than half of subscriptions located in Asia and the Pacific. The number of subscriptions was predicted to rise to 5.7 billion users in 2020. As of 2018 , 80% of the world's population were covered by
9563-813: The UK's national research and education network , JANET . Common methods of Internet access by users include dial-up with a computer modem via telephone circuits, broadband over coaxial cable , fiber optics or copper wires, Wi-Fi , satellite , and cellular telephone technology (e.g. 3G , 4G ). The Internet may often be accessed from computers in libraries and Internet cafés . Internet access points exist in many public places such as airport halls and coffee shops. Various terms are used, such as public Internet kiosk , public access terminal , and Web payphone . Many hotels also have public terminals that are usually fee-based. These terminals are widely accessed for various usages, such as ticket booking, bank deposit, or online payment . Wi-Fi provides wireless access to
9694-826: The United Nations-sponsored World Summit on the Information Society in Tunis established the Internet Governance Forum (IGF) to discuss Internet-related issues. The communications infrastructure of the Internet consists of its hardware components and a system of software layers that control various aspects of the architecture. As with any computer network, the Internet physically consists of routers , media (such as cabling and radio links), repeaters, modems etc. However, as an example of internetworking , many of
9825-608: The United States Department of Defense (DoD). Research into packet switching , one of the fundamental Internet technologies, started in the work of Paul Baran at RAND in the early 1960s and, independently, Donald Davies at the United Kingdom's National Physical Laboratory (NPL) in 1965. After the Symposium on Operating Systems Principles in 1967, packet switching from the proposed NPL network and routing concepts proposed by Baran were incorporated into
9956-461: The United States surpassed those of cable television and nearly exceeded those of broadcast television . Many common online advertising practices are controversial and increasingly subject to regulation. When the Web developed in the 1990s, a typical web page was stored in completed form on a web server, formatted in HTML , ready for transmission to a web browser in response to a request. Over time,
10087-572: The ability to check out laptop computers, web cameras, or scientific calculators. Academic libraries offer workshops and courses outside of formal, graded coursework, which are meant to provide students with the tools necessary to succeed in their programs. These workshops may include help with citations, effective search techniques, journal databases, and electronic citation software. These workshops provide students with skills that can help them achieve success in their academic careers (and often, in their future occupations), which they may not learn inside
10218-418: The architectural design of the Internet software systems has been assumed by the Internet Engineering Task Force (IETF). The IETF conducts standard-setting work groups, open to any individual, about the various aspects of Internet architecture. The resulting contributions and standards are published as Request for Comments (RFC) documents on the IETF web site. The principal methods of networking that enable
10349-412: The beginning of the Internet as an intercontinental network. Commercial Internet service providers (ISPs) emerged in 1989 in the United States and Australia. The ARPANET was decommissioned in 1990. Steady advances in semiconductor technology and optical networking created new economic opportunities for commercial involvement in the expansion of the network in its core and for delivering services to
10480-424: The bookshelves also supported the floors, which often were built of translucent blocks to permit the passage of light (but were not transparent, for reasons of modesty). The introduction of electric lights had a huge impact on lighting in libraries . The use of glass floors was largely discontinued, though floors were still often composed of metal grating to allow air to circulate in multi-story stacks. As more space
10611-456: The bottom of the architecture is the link layer , which connects nodes on the same physical link, and contains protocols that do not require routers for traversal to other links. The protocol suite does not explicitly specify hardware methods to transfer bits, or protocols to manage such hardware, but assumes that appropriate technology is available. Examples of that technology include Wi-Fi , Ethernet , and DSL . The most prominent component of
10742-951: The classroom. The academic library provides a quiet study space for students on campus; it may also provide group study space, such as meeting rooms. In North America, Europe, and other parts of the world, academic libraries are becoming increasingly digitally oriented. The library provides a "gateway" for students and researchers to access various resources, both print/physical and digital. Academic institutions are subscribing to electronic journals databases, providing research and scholarly writing software, and usually provide computer workstations or computer labs for students to access journals, library search databases and portals, institutional electronic resources, Internet access, and course- or task-related software (i.e. word processing and spreadsheet software). Some academic libraries take on new roles, for instance, acting as an electronic repository for institutional scholarly research and academic knowledge, such as
10873-537: The collection and curation of digital copies of students' theses and dissertations. Moreover, academic libraries are increasingly acting as publishers on their own on a not-for-profit basis, especially in the form of fully Open Access institutional publishers. Children's libraries are special collections of books intended for juvenile readers and usually kept in separate rooms of general public libraries. Some children's libraries have entire floors or wings dedicated to them in bigger libraries while smaller ones may have
11004-503: The college are encouraged to obtain a CLAMS card from the library in the town that they live in. All towns on Cape Cod , Martha's Vineyard , and Nantucket have at least one library that is a member of the Cape Libraries Automated Materials Sharing network, except for the town of Sandwich. The CLAMS library network is a participant in the state's Library eBooks and Audiobooks (LEA) program; it
11135-682: The combination "library and information services", although different institutions and sources define such terminology differently. The term library is based on the Latin word liber for 'book' or 'document', contained in Latin libraria 'collection of books' and librarium 'container for books'. Other modern languages use derivations from Ancient Greek βιβλιοθήκη ( bibliothēkē ), originally meaning 'book container', via Latin bibliotheca ( cf. French bibliothèque or German Bibliothek ). The history of libraries began with
11266-441: The combination "library and information services", although different institutions and sources define such terminology differently. Organizations or departments are often called by one of these names. Most libraries have materials arranged in a specified order according to a library classification system, so that items may be located quickly and collections browsed efficiently. Some libraries have additional galleries beyond
11397-455: The complex array of physical connections that make up its infrastructure, the Internet is facilitated by bi- or multi-lateral commercial contracts, e.g., peering agreements , and by technical specifications or protocols that describe the exchange of data over the network. Indeed, the Internet is defined by its interconnections and routing policies. A subnetwork or subnet is a logical subdivision of an IP network . The practice of dividing
11528-654: The construction of new libraries or extensions to existing ones, and the development and implementation of outreach services and reading-enhancement services (such as adult literacy and children's programming). Library materials like books, magazines, periodicals, CDs, etc. are managed using a library classification system such as the Dewey Decimal Classification Theory, though libraries will usually adjust their classification system to fit their needs. The International Organization for Standardization (ISO) has published several standards regarding
11659-555: The design of the ARPANET , an experimental resource sharing network proposed by ARPA. ARPANET development began with two network nodes which were interconnected between the University of California, Los Angeles (UCLA) and the Stanford Research Institute (now SRI International) on 29 October 1969. The third site was at the University of California, Santa Barbara , followed by the University of Utah . In
11790-518: The destruction of libraries has been critical for conquerors who wish to destroy every trace of the vanquished community's recorded memory. A prominent example of this can be found in the Mongol massacre of the Nizaris at Alamut in 1256 and the torching of their library, "the fame of which", boasts the conqueror Juwayni, "had spread throughout the world". The libraries of Timbuktu were established in
11921-594: The documents and resources that they can provide. HyperText Transfer Protocol (HTTP) is the main access protocol of the World Wide Web. Web services also use HTTP for communication between software systems for information transfer, sharing and exchanging business data and logistics and is one of many languages or protocols that can be used for communication on the Internet. World Wide Web browser software, such as Microsoft 's Internet Explorer / Edge , Mozilla Firefox , Opera , Apple 's Safari , and Google Chrome , enable users to navigate from one web page to another via
12052-454: The early leaders was John Cotton Dana . The basic form of library instruction is sometimes known as information literacy . Libraries should inform their users of what materials are available in their collections and how to access that information. Before the computer age, this was accomplished by the card catalogue —a cabinet (or multiple cabinets) containing many drawers filled with index cards that identified books and other materials. In
12183-414: The educational institution. Academic libraries house current, reliable and relevant information resources spread through all the disciplines which serve to assuage the information requirements of students and faculty. In cases where not all books are housed some libraries have E-resources, where they subscribe for a given institution they are serving, in order to provide backups and additional information that
12314-485: The first address of a network, followed by a slash character ( / ), and ending with the bit-length of the prefix. For example, 198.51.100.0 / 24 is the prefix of the Internet Protocol version 4 network starting at the given address, having 24 bits allocated for the network prefix, and the remaining 8 bits reserved for host addressing. Addresses in the range 198.51.100.0 to 198.51.100.255 belong to this network. The IPv6 address specification 2001:db8:: / 32
12445-508: The first efforts to organize collections of documents. The first libraries consisted of archives of the earliest form of writing —the clay tablets in cuneiform script discovered in Sumer , some dating back to 2600 BC. Private or personal libraries made up of written books appeared in classical Greece in the 5th century BC. In the 6th century, at the very close of the Classical period ,
12576-429: The forwarding host (router) to other networks when no other route specification matches the destination IP address of a packet. While the hardware components in the Internet infrastructure can often be used to support other software systems, it is the design and the standardization process of the software that characterizes the Internet and provides the foundation for its scalability and success. The responsibility for
12707-721: The fourteenth century and attracted scholars from all over the world. Libraries may provide physical or digital access to material, and may be a physical location, virtual space, or both. A library's collection can include books , periodicals , newspapers , manuscripts , films , maps , prints , documents , microform , CDs , cassettes , videotapes , DVDs , Blu-ray Discs , e-books , audiobooks , databases , table games , video games , and other formats. Libraries range widely in size, up to millions of items. Libraries often provide quiet spaces for private studying, common areas to facilitate group study and collaboration, and public facilities for access to their electronic resources and
12838-603: The global Internet, though they may also engage in peering. An ISP may use a single upstream provider for connectivity, or implement multihoming to achieve redundancy and load balancing. Internet exchange points are major traffic exchanges with physical connections to multiple ISPs. Large organizations, such as academic institutions, large enterprises, and governments, may perform the same function as ISPs, engaging in peering and purchasing transit on behalf of their internal networks. Research networks tend to interconnect with large subnetworks such as GEANT , GLORIAD , Internet2 , and
12969-477: The great libraries of the Mediterranean world remained those of Constantinople and Alexandria . The Fatimids (r. 909–1171) also possessed many great libraries within their domains. The historian Ibn Abi Tayyi’ describes their palace library, which probably contained the largest collection of literature on earth at the time, as a " wonder of the world ". Throughout history, along with bloody massacres,
13100-661: The hope that visitors will be impressed by the expert knowledge and free information and be attracted to the corporation as a result. Advertising on popular web pages can be lucrative, and e-commerce , which is the sale of products and services directly via the Web, continues to grow. Online advertising is a form of marketing and advertising which uses the Internet to deliver promotional marketing messages to consumers. It includes email marketing, search engine marketing (SEM), social media marketing, many types of display advertising (including web banner advertising), and mobile advertising . In 2011, Internet advertising revenues in
13231-505: The hyperlinks embedded in the documents. These documents may also contain any combination of computer data , including graphics, sounds, text , video , multimedia and interactive content that runs while the user is interacting with the page. Client-side software can include animations, games , office applications and scientific demonstrations. Through keyword -driven Internet research using search engines like Yahoo! , Bing and Google , users worldwide have easy, instant access to
13362-485: The late 1990s, it was estimated that traffic on the public Internet grew by 100 percent per year, while the mean annual growth in the number of Internet users was thought to be between 20% and 50%. This growth is often attributed to the lack of central administration, which allows organic growth of the network, as well as the non-proprietary nature of the Internet protocols, which encourages vendor interoperability and prevents any one company from exerting too much control over
13493-416: The management of libraries through its Technical Committee 46 (TC 46), which is focused on "libraries, documentation and information centers, publishing, archives, records management, museum documentation, indexing and abstracting services, and information science". The following is a partial list of some of them: Some patrons may not know how to fully utilize library resources, or feel unease in approaching
13624-466: The materials located within a public library are available for borrowing. The library staff decides upon the number of items patrons are allowed to borrow, as well as the details of borrowing time allotted. Typically, libraries issue library cards to community members wishing to borrow books. Often visitors to a city are able to obtain a public library card. Many public libraries also serve as community organizations that provide free services and events to
13755-885: The necessity for these services in doubt. Library scholars have acknowledged that libraries need to address the ways that they market their services if they are to compete with the Internet and mitigate the risk of losing users. This includes promoting the information literacy skills training considered vital across the library profession. Many US-based research librarians rely on the ACRL Framework for Information Literacy in order to guide students and faculty in research. However, marketing of services has to be adequately supported financially in order to be successful. This can be problematic for library services that are publicly funded and find it difficult to justify diverting tight funds to apparently peripheral areas such as branding and marketing. The privacy aspect of library usage in
13886-426: The needs of the library. Basic tasks in library management include planning acquisitions (which materials the library should acquire, by purchase or otherwise), classifying and preserving items (especially rare and fragile archival materials such as manuscripts), deaccessioning materials, patron borrowing, and developing and administering library computer systems and technology. More long-term issues include planning
14017-462: The network nodes are not necessarily Internet equipment per se. The internet packets are carried by other full-fledged networking protocols with the Internet acting as a homogeneous networking standard, running across heterogeneous hardware, with the packets guided to their destinations by IP routers. Internet service providers (ISPs) establish the worldwide connectivity between individual networks at various levels of scope. End-users who only access
14148-412: The network. As of 31 March 2011 , the estimated total number of Internet users was 2.095 billion (30% of world population ). It is estimated that in 1993 the Internet carried only 1% of the information flowing through two-way telecommunication . By 2000 this figure had grown to 51%, and by 2007 more than 97% of all telecommunicated information was carried over the Internet. The Internet
14279-1058: The network. Although the Internet was widely used by academia in the 1980s, the subsequent commercialization in the 1990s and beyond incorporated its services and technologies into virtually every aspect of modern life. Most traditional communication media, including telephone , radio , television , paper mail, and newspapers, are reshaped, redefined, or even bypassed by the Internet, giving birth to new services such as email , Internet telephone , Internet television , online music , digital newspapers, and video streaming websites. Newspapers, books, and other print publishing have adapted to website technology or have been reshaped into blogging , web feeds , and online news aggregators . The Internet has enabled and accelerated new forms of personal interaction through instant messaging , Internet forums , and social networking services . Online shopping has grown exponentially for major retailers, small businesses , and entrepreneurs , as it enables firms to extend their " brick and mortar " presence to serve
14410-414: The networking technologies that interconnect networks at their borders and exchange traffic across them. The Internet layer implements the Internet Protocol (IP) which enables computers to identify and locate each other by IP address and route their traffic via intermediate (transit) networks. The Internet Protocol layer code is independent of the type of network that it is physically running over. At
14541-421: The number of books in libraries have steadily increased since their inception, the need for compact storage and access with adequate lighting has grown. The stack system involves keeping a library's collection of books in a space separate from the reading room. This arrangement arose in the 19th century. Book stacks quickly evolved into a fairly standard form in which the cast iron and steel frameworks supporting
14672-481: The packet. IP addresses are generally assigned to equipment either automatically via DHCP , or are configured. However, the network also supports other addressing systems. Users generally enter domain names (e.g. "en.wikipedia.org") instead of IP addresses because they are easier to remember; they are converted by the Domain Name System (DNS) into IP addresses which are more efficient for routing purposes. Internet Protocol version 4 (IPv4) defines an IP address as
14803-435: The principal name spaces of the Internet are administered by the Internet Corporation for Assigned Names and Numbers (ICANN). ICANN is governed by an international board of directors drawn from across the Internet technical, business, academic, and other non-commercial communities. ICANN coordinates the assignment of unique identifiers for use on the Internet, including domain names , IP addresses, application port numbers in
14934-586: The process of creating and serving web pages has become dynamic, creating a flexible design, layout, and content. Websites are often created using content management software with, initially, very little content. Contributors to these systems, who may be paid staff, members of an organization or the public, fill underlying databases with content using editing pages designed for that purpose while casual visitors view and read this content in HTML form. There may or may not be editorial, approval and security systems built into
15065-461: The prominence of and reliance on the Internet has grown, library services have moved the emphasis from mainly providing print resources to providing more computers and more Internet access . Libraries face a number of challenges in adapting to new ways of information seeking that may stress convenience over quality, reducing the priority of information literacy skills. The potential decline in library usage, particularly reference services , puts
15196-516: The public ones, where "reference" materials are stored. These reference stacks may be open to selected members of the public while others may require patrons to submit a "stack request" – a request for an assistant to retrieve the material from the closed stacks: see List of closed stack libraries . Larger libraries are often divided into departments staffed by both paraprofessionals and professional librarians. Their department names and occupational designations may change depending on their location and
15327-511: The public, such as reading groups and toddler story time. For many communities, the library is a source of connection to a vast world, obtainable knowledge and understanding, and entertainment. According to a study by the Pennsylvania Library Association , public library services play a major role in fighting rising illiteracy rates among youths. Public libraries are protected and funded by the public they serve. As
15458-442: The public. In mid-1989, MCI Mail and Compuserve established connections to the Internet, delivering email and public access products to the half million users of the Internet. Just months later, on 1 January 1990, PSInet launched an alternate Internet backbone for commercial use; one of the networks that added to the core of the commercial Internet of later years. In March 1990, the first high-speed T1 (1.5 Mbit/s) link between
15589-469: The region had a handful of plans to choose from (across all mobile network operators) while others, such as Colombia , offered as many as 30 pre-paid and 34 post-paid plans. A study of eight countries in the Global South found that zero-rated data plans exist in every country, although there is a great range in the frequency with which they are offered and actually used in each. The study looked at
15720-590: The rise of near-instant communication by email, instant messaging , telephony ( Voice over Internet Protocol or VoIP), two-way interactive video calls , and the World Wide Web with its discussion forums , blogs, social networking services , and online shopping sites. Increasing amounts of data are transmitted at higher and higher speeds over fiber optic networks operating at 1 Gbit/s, 10 Gbit/s, or more. The Internet continues to grow, driven by ever-greater amounts of online information and knowledge, commerce, entertainment and social networking services. During
15851-411: The role of libraries in a nation's cultural heritage, and the role of government, church, or private sponsorship. Since the 1960s, issues of computerization and digitization have arisen. Many institutions make a distinction between a circulating or lending library , where materials are expected and intended to be loaned to patrons, institutions, or other libraries, and a reference library where material
15982-623: The students and faculty of that and other academic institutions. Some academic libraries, especially those at public institutions, are accessible to members of the general public in whole or in part. Library services are sometimes extended to the general public at a fee; some academic libraries create such services in order to enhance literacy levels in their communities. Academic libraries are libraries that are hosted in post-secondary educational institutions, such as colleges and universities. Their main functions are to provide support in research, consultancy and resource linkage for students and faculty of
16113-452: The subnet mask for the prefix 198.51.100.0 / 24 . Traffic is exchanged between subnetworks through routers when the routing prefixes of the source address and the destination address differ. A router serves as a logical or physical boundary between the subnets. The benefits of subnetting an existing network vary with each deployment scenario. In the address allocation architecture of the Internet using CIDR and in large organizations, it
16244-462: The top three to five carriers by market share in Bangladesh, Colombia, Ghana, India, Kenya, Nigeria, Peru and Philippines. Across the 181 plans examined, 13 percent were offering zero-rated services. Another study, covering Ghana , Kenya , Nigeria and South Africa , found Facebook 's Free Basics and Misplaced Pages Zero to be the most commonly zero-rated content. The Internet standards describe
16375-405: The transport protocols, and many other parameters. Globally unified name spaces are essential for maintaining the global reach of the Internet. This role of ICANN distinguishes it as perhaps the only central coordinating body for the global Internet. Regional Internet registries (RIRs) were established for five regions of the world. The African Network Information Center (AfriNIC) for Africa ,
16506-426: The use of their employees in doing specialized research related to their work. Depending on the particular institution, special libraries may or may not be accessible to the general public or elements thereof. Internet The Internet (or internet ) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It
16637-455: The volume of Internet traffic started experiencing similar characteristics as that of the scaling of MOS transistors , exemplified by Moore's law , doubling every 18 months. This growth, formalized as Edholm's law , was catalyzed by advances in MOS technology , laser light wave systems, and noise performance. Since 1995, the Internet has tremendously impacted culture and commerce, including
16768-533: The word Internet as a capitalized proper noun ; this has become less common. This reflects the tendency in English to capitalize new terms and move them to lowercase as they become familiar. The word is sometimes still capitalized to distinguish the global internet from smaller networks, though many publications, including the AP Stylebook since 2016, recommend the lowercase form in every case. In 2016,
16899-412: The world. Over half of Finland's population are registered borrowers. In the US, public library users have borrowed on average roughly 15 books per user per year from 1856 to 1978. From 1978 to 2004, book circulation per user declined approximately 50%. The growth of audiovisuals circulation, estimated at 25% of total circulation in 2004, accounts for about half of this decline. A library may make use of
17030-489: Was needed, a method of moving shelves on tracks (compact shelving) was introduced to cut down on otherwise wasted aisle space. Library 2.0 , a term coined in 2005, is the library's response to the challenge of Google and an attempt to meet the changing needs of users by using Web 2.0 technology. Some of the aspects of Library 2.0 include, commenting, tagging, bookmarking, discussions, use of online social networks by libraries, plug-ins , and widgets . Inspired by Web 2.0, it
17161-558: Was the first financial institution to offer online Internet banking services to all of its members in October 1994. In 1996, OP Financial Group , also a cooperative bank , became the second online bank in the world and the first in Europe. By 1995, the Internet was fully commercialized in the U.S. when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic. As technology advanced and commercial opportunities fueled reciprocal growth,
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