An online encyclopedia , also called an Internet encyclopedia , is a digital encyclopedia accessible through the Internet . Examples include Encyclopedia.com since 1998, Encarta from 2000 to 2009, Misplaced Pages since 2001, and Encyclopædia Britannica since 2016.
70-411: Nupedia was an English-language online encyclopedia whose articles were written by volunteer contributors with relevant subject matter expertise, reviewed by expert editors before publication, and licensed as free content . It was founded by Jimmy Wales and underwritten by Bomis , with Larry Sanger as editor-in-chief. Nupedia operated from October 1999 until September 2003. It is best known today as
140-706: A Balkanisation of the "Open Source Universe". Linus Torvalds, who decided not to adopt the GPLv3 for the Linux kernel, reiterated his criticism several years later. GPLv3 improved compatibility with several free software licenses such as the Apache License, version 2.0, and the GNU Affero General Public License, which GPLv2 could not be combined with. However, GPLv3 software could only be combined and share code with GPLv2 software if
210-653: A copyright claim was added to the materials included. The website no longer exists. Other digitization projects have made progress in other titles; one example is Easton's Bible Dictionary (1897) digitized by the Christian Classics Ethereal Library . A successful digitization of an encyclopedia was the Bartleby Project 's online adaptation of the Columbia Encyclopedia , Sixth Edition, in early 2000 and
280-622: A patent infringement claim or other litigation to impair users' freedom under the license. By 1990, it was becoming apparent that a less restrictive license would be strategically useful for the C library and for software libraries that essentially did the job of existing proprietary ones; when version 2 of the GPL (GPLv2) was released in June 1991, therefore, a second license – the GNU Library General Public License –
350-452: A "user" and a "consumer product". It also explicitly removed the section on "Geographical Limitations", the probable removal of this section having been announced at the launch of the public consultation. The fourth discussion draft, which was the last, was released on 31 May 2007. It introduced Apache License version 2.0 compatibility (prior versions are incompatible), clarified the role of outside contractors, and made an exception to avoid
420-408: A US federal court ruled that an open-source license is an enforceable contract. In October 2021 SFC sued Vizio over breach of contract as an end user to request source code for Vizio's TVs, a federal judge has ruled in the interim that the GPL is an enforceable contract by end users as well as a license for copyright holders. The text of the GPL is itself copyrighted , and the copyright is held by
490-443: A licensee has no right to redistribute it, not even in modified form (barring fair use ), except under the terms of the license. One is only required to adhere to the terms of the GPL if one wishes to exercise rights normally restricted by copyright law, such as redistribution. Conversely, if one distributes copies of the work without abiding by the terms of the GPL (for instance, by keeping the source code secret), they can be sued by
560-460: A modified derivative of a GPL licensed content management system is not required to distribute its changes to the underlying software, because the modified web portal is not being redistributed but rather hosted, and also because the web portal output is also not a derivative work of the GPL licensed content management system. There has been debate on whether it is a violation of the GPLv1 to release
630-452: A real version of The Hitchhiker's Guide to the Galaxy , a fictional encyclopedia used in the works of Douglas Adams . Although it originally aimed to contain only real, factual articles, the policy was changed to allow and encourage semi-real and unreal articles as well. Project Galactic Guide contains over 1700 articles, but no new articles have been added since 2000, which was a year after
700-536: A series of widely used free software licenses , or copyleft licenses, that guarantee end users the freedoms to run, study, share, and modify the software. The GPL was the first copyleft license for general use. It was originally written by Richard Stallman , the founder of the Free Software Foundation (FSF), for the GNU Project . The license grants the recipients of a computer program
770-445: A topic of your choosing and [e]mail it off to the unnamed "editors". These editors (to use that title very loosely) have generated a list of approximately 1,300 topics they want to include; to date, perhaps a quarter of them have been treated. ... This so-called encyclopedia gives amateurism a bad name. It is being compiled without standards or guidelines for article structure, content, or reading level. It makes no apparent effort to check
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#1732773012458840-440: Is a free content , multilingual online encyclopedia written and maintained by a community of volunteer contributors, known as Wikipedians , through a model of open collaboration . It is the largest and most-read reference work in history. Misplaced Pages originally developed from another encyclopedia project called Nupedia . GNU General Public License The GNU General Public Licenses ( GNU GPL or simply GPL ) are
910-418: Is allowed to charge a fee for this service or do this free of charge. This latter point distinguishes the GPL from software licenses that prohibit commercial redistribution. The FSF argues that free software should not place restrictions on commercial use, and the GPL explicitly states that GPL works may be sold at any price. The GPL additionally states that a distributor may not impose "further restrictions on
980-449: Is applied to ensure that end users retain the freedoms defined above. However, software running as an application program under a GPL-licensed operating system such as Linux is not required to be licensed under GPL or to be distributed with source-code availability—the licensing depends only on the used libraries and software components and not on the underlying platform. For example, if a program consists only of original source code , or
1050-427: Is combined with source code from other software components , then the custom software components need not be licensed under GPL and need not make their source code available; even if the underlying operating system used is licensed under the GPL, applications running on it are not considered derivative works. Only if GPL licensed parts are used in a program (and the program is distributed), then all other source code of
1120-501: Is how the compiled code was available and there are "clear directions" on where to find the source code. The FSF does not hold the copyright for a work released under the GPL unless an author explicitly assigns copyrights to the FSF (which seldom happens except for programs that are part of the GNU project). Only the individual copyright holders have the authority to sue when a license violation
1190-500: Is prohibited by copyright law . The FSF argues that freedom-respecting free software should also not restrict commercial use and distribution (including redistribution): In purely private (or internal) use—with no sales and no distribution—the software code may be modified and parts reused without requiring the source code to be released. For sales or distribution, the entire source code needs to be made available to end users, including any code changes and additions—in that case, copyleft
1260-499: Is suspected. Software under the GPL may be run for all purposes, including commercial purposes and even as a tool for creating proprietary software , such as when using GPL-licensed compilers . Users or companies who distribute GPL-licensed works (e.g. software), may charge a fee for copies or give them free of charge. This distinguishes the GPL from shareware software licenses that allow copying for personal use but prohibit commercial distribution or proprietary licenses where copying
1330-481: Is updated periodically. Other websites provide online encyclopedias, some of which are also available on Wikisource . However, some may be more complete than those on Wikisource, or may be from different editions. Another related branch of activity is the creation of new, free content on a volunteer basis. In 1991, participants of the Usenet newsgroup alt.fan.douglas-adams started Project Galactic Guide to produce
1400-698: The ASP loophole in the GPL . As there were concerns expressed about the administrative costs of checking code for this additional requirement, it was decided to keep the GPL and the AGPL license separated. Others, notably some high-profile Linux kernel developers such as Linus Torvalds , Greg Kroah-Hartman , and Andrew Morton , commented to the mass media and made public statements about their objections to parts of discussion drafts 1 and 2. The kernel developers referred to GPLv3 draft clauses regarding DRM / Tivoization , patents, and "additional restrictions", and warned of
1470-508: The AGPL (v1) , and patent deals between Microsoft and distributors of free and open-source software, which some viewed as an attempt to use patents as a weapon against the free software community. Version 3 was developed as an attempt to address these concerns and was officially released on 29 June 2007. Version 1 of the GNU GPL, released on 25 February 1989, was written to protect against
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#17327730124581540-492: The Software Freedom Law Center . According to Stallman, the most important changes were in relation to software patents , free software license compatibility, the definition of "source code", and hardware restrictions on software modifications, such as tivoization . Other changes related to internationalization, how license violations are handled, and how additional permissions could be granted by
1610-555: The WIPO Copyright Treaty , and that those who convey the work waive all legal power to prohibit circumvention of the technical protection measure "to the extent such circumvention is effected by exercising rights under this License with respect to the covered work". This means that users cannot be held liable for circumventing DRM implemented using GPLv3-licensed code under laws such as the U.S. Digital Millennium Copyright Act (DMCA). The distribution rights granted by
1680-539: The 15th Annual Charleston Conference on library acquisitions and related issues. He said of the Global Encyclopedia : This is a volunteer effort to compile an encyclopedia and distribute it for free on the World Wide Web. If you have ever yearned to be the author of an encyclopedia article, yearn no longer. Take a minute (or even two or three if you are feeling scholarly) to write an article on
1750-657: The Free Software Foundation. The FSF permits people to create new licenses based on the GPL, as long as the derived licenses do not use the GPL preamble without permission. This is discouraged, however, since such a license might be incompatible with the GPL and causes a perceived license proliferation . Other licenses created by the GNU project include the GNU Lesser General Public License , GNU Free Documentation License , and GNU Affero General Public License . The text of
1820-561: The GNE project, Misplaced Pages also led to the gradual demise of Nupedia. Due to the collapse of the internet economy at that time, Jimmy Wales decided to discontinue funding for a salaried editor-in-chief in December 2001, and Sanger resigned from both projects shortly thereafter. After Sanger's departure, Nupedia increasingly became an afterthought to Misplaced Pages; of the Nupedia articles that completed
1890-404: The GPL for modified versions of the work are not unconditional. When someone distributes a GPL licensed work plus their own modifications, the requirements for distributing the whole work cannot be any greater than the requirements that are in the GPL. This requirement is known as copyleft. It earns its legal power from the use of copyright on software programs. Because a GPL work is copyrighted,
1960-527: The GPL is not itself under the GPL. The license's copyright disallows modification of the license. Copying and distributing the license is allowed since the GPL requires recipients to get "a copy of this License along with the Program". According to the GPL FAQ, anyone can make a new license using a modified version of the GPL as long as they use a different name for the license, do not mention "GNU", and remove
2030-539: The GPL license family has been one of the most popular software licenses in the free and open-source software (FOSS) domain. Prominent free software programs licensed under the GPL include the Linux kernel and the GNU Compiler Collection (GCC). David A. Wheeler argues that the copyleft provided by the GPL was crucial to the success of Linux -based systems, giving the programmers who contributed to
2100-588: The GPL license includes an optional "any later version" clause, allowing users to choose between the original terms or the terms in new versions as updated by the FSF. Software projects licensed with the optional "or later" clause include the GNU Project, while projects like the Linux kernel is licensed under GPLv2 only. The "or any later version" clause is sometimes known as a "lifeboat clause" since it allows combinations between different versions of GPL-licensed software to maintain compatibility. The original GPL
2170-431: The GPL licensed program, they may still use the software within their organization however they like, and works (including programs) constructed by the use of the program are not required to be covered by this license. Software developer Allison Randal argued that the GPLv3 as a license is unnecessarily confusing for lay readers, and could be simplified while retaining the same conditions and legal force. In April 2017,
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2240-464: The GPLv2 license used had the optional "or later" clause and the software was upgraded to GPLv3. While the "GPLv2 or any later version" clause is considered by FSF as the most common form of licensing GPLv2 software, Toybox developer Rob Landley described it as a lifeboat clause . Software projects licensed with the optional "or later" clause include the GNU Project , while a prominent example without
2310-540: The Software Package Data Exchange (SPDX). The license includes instructions to specify "version 2 of the License, or (at your option) any later version" to allow the flexible optional use of either version 2 or 3, but some developers change this to specify "version 2" only. In late 2005, the Free Software Foundation (FSF) announced work on version 3 of the GPL (GPLv3). On 16 January 2006,
2380-429: The clause is the Linux kernel. The final version of the license text was published on 29 June 2007. The terms and conditions of the GPL must be made available to anybody receiving a copy of a work that has a GPL applied to it ("the licensee"). Any licensee who adheres to the terms and conditions is given permission to modify the work, as well as to copy and redistribute the work or any derivative version. The licensee
2450-470: The copyright holder. The concept of "software propagation", as a term for the copying and duplication of software, was explicitly defined. The public consultation process was coordinated by the Free Software Foundation with assistance from Software Freedom Law Center, Free Software Foundation Europe , and other free software groups. Comments were collected from the public via the gplv3.fsf.org web portal, using purpose-written software called stet . During
2520-473: The definition of expert allowed for a degree of flexibility, and it was acknowledged that some articles could be written by a good writer, rather than an expert per se ) and the editors approving articles for publication were expected "to be true experts in their fields and (with few exceptions) [to] possess PhDs". Ruth Ifcher was someone Sanger depended upon and worked closely with on Nupedia's early policies and procedures. Ifcher, holding several higher degrees,
2590-399: The first "discussion draft" of GPLv3 was published, and the public consultation began. The public consultation was originally planned for nine to fifteen months, but ultimately lasted eighteen months, with four drafts being published. The official GPLv3 was released by the FSF on 29 June 2007. GPLv3 was written by Richard Stallman, with legal counsel from Eben Moglen and Richard Fontana from
2660-570: The foundation of h2g2 . The 1993 Interpedia proposal was planned as an encyclopedia on the Internet to which everyone could contribute materials. The project never left the planning stage and was overtaken by a key branch of old printed encyclopedias. Another early online encyclopedia was called the Global Encyclopedia . In November 1995, James Rettig, Assistant Dean of University Libraries for Reference and Information Services at College of William & Mary , presented an unfavorable review at
2730-416: The kernel assurance that their work would benefit the whole world and remain free, rather than being exploited by software companies that would not have to give anything back to the community. In 2007, the third version of the license (GPLv3) was released to address some perceived problems with the second version (GPLv2) which were discovered during the latter's long-time usage. To keep the license current,
2800-503: The last update in September 2018. Project Gutenberg published volumes in alphabetical order; the most recent publication is Volume 17 Slice 1: " Lord Chamberlain " to " Luqman " , published on August 9, 2013. The latest Britannica was digitized by its publishers, and sold first as a CD-ROM , and later as an online service. In 2001, ASCII text of all 28 volumes was published on Encyclopædia Britannica Eleventh Edition by source;
2870-536: The legal distinction between a license and a contract is an important one: contracts are enforceable by contract law , whereas licenses are enforced under copyright law . However, this distinction is not useful in the many jurisdictions where there are no differences between contracts and licenses, such as civil law systems. Those who do not accept the GPL's terms and conditions do not have permission, under copyright law, to copy or distribute GPL-licensed software or derivative works. However, if they do not redistribute
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2940-420: The license. Copyleft applies only when a person seeks to redistribute the program. Developers may make private modified versions with no obligation to divulge the modifications, as long as they do not distribute the modified software to anyone else. Copyleft applies only to the software, and not to its output (unless that output is itself a derivative work of the program). For example, a public web portal running
3010-431: The major change in GPLv2 was the "Liberty or Death" clause, as he calls it – Section 7. The section says that licensees may distribute a GPL-covered work only if they can satisfy all of the license's obligations, despite any other legal obligations they might have. In other words, the obligations of the license may not be severed due to conflicting obligations. This provision is intended to discourage any party from using
3080-453: The original author under copyright law. Copyright law has historically been used to prevent distribution of work by parties not authorized by the creator. Copyleft uses the same copyright laws to accomplish a very different goal. It grants rights to distribution to all parties insofar as they provide the same rights to subsequent ones, and they to the next, etc. In this way, the GPL and other copyleft licenses attempt to enforce libre access to
3150-622: The original software. Online encyclopedia In January 1995, Project Gutenberg started to publish the ASCII text of the Encyclopædia Britannica , 11th edition (1911), but disagreements about the method halted the work after the first volume. For trademark reasons, the text had been published as the Gutenberg Encyclopedia. Since then, Project Gutenberg digitized and proofread the encyclopedia, until
3220-509: The parties who would receive the covered work from you, a discriminatory patent license ... This aimed to make such future deals ineffective. The license was also meant to cause Microsoft to extend the patent licenses it granted to Novell customers for the use of GPLv3 software to all users of that GPLv3 software; this was possible only if Microsoft was legally a "conveyor" of the GPLv3 software. Early drafts of GPLv3 also let licensors add an AGPL -like requirement that would have plugged
3290-602: The peer review process. This attracted interest from both sides, as it provided the less bureaucratic structure favored by advocates of the GNE encyclopedia . As a result, GNE never really developed, and the threat of competition between the projects was averted. As Misplaced Pages grew and attracted contributors, it quickly developed a life of its own and began to function largely independently of Nupedia, although Sanger initially led activity on Misplaced Pages by virtue of his position as Nupedia's editor-in-chief. Besides leading to discontinuation of
3360-508: The peer-reviewed approach used by Nupedia and later founded Citizendium in 2006 as an expert-reviewed alternative to Misplaced Pages. In October 1999, Jimmy Wales began thinking about an online encyclopedia built by volunteers and, in January 2000, hired Larry Sanger to oversee its development. The project officially went online on 9 March 2000. By November 2000, however, only two full-length articles had been published. From its beginning, Nupedia
3430-457: The perceived problems of a Microsoft–Novell style agreement, saying in Section 11 paragraph 6 that: You may not convey a covered work if you are a party to an arrangement with a third party that is in the business of distributing software, under which you make payment to the third party based on the extent of your activity of conveying the work, and under which the third party grants, to any of
3500-409: The preamble, though the preamble can be used in a modified license if permission to use it is obtained from the Free Software Foundation (FSF). According to the FSF, "The GPL does not require you to release your modified version or any part of it. You are free to make modifications and use them privately, without ever releasing them." However, if one releases a GPL-licensed entity to the public, there
3570-403: The predecessor of Misplaced Pages . Nupedia had a seven-step approval process to control content of articles before being posted, rather than live wiki -based updating. Nupedia was designed by a committee of experts who predefined the rules. It had only 21 articles in its first year, compared with Misplaced Pages having 200 articles in the first month, and 18,000 in the first year. Unlike Misplaced Pages, Nupedia
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#17327730124583640-526: The program needs to be made available under the same license terms. The GNU Lesser General Public License (LGPL) was created to have a weaker copyleft than the GPL, in that it does not require custom-developed source code (distinct from the LGPL licensed parts) to be made available under the same license terms. The fifth section of version 3 states that no GPL-licensed code shall be considered an effective "technical protection measure" as defined by Article 11 of
3710-420: The public consultation process, 962 comments were submitted for the first draft. By the end of the comment period, a total of 2,636 comments had been submitted. The third draft was released on 28 March 2007. This draft included language intended to prevent patent-related agreements such as the controversial Microsoft-Novell patent agreement , and restricted the anti-tivoization clauses to a legal definition of
3780-465: The qualifications and authority of the volunteer authors. Its claim that "Submitted articles are fact-checked, corrected for spelling, and then formatted" is at best an exaggeration. Examples of article entries included Iowa City : A city of approximately 60,000 people, Iowa City lies in the eastern half of Iowa. It is also the home of the University of Iowa ( http://www.uiowa.edu ). Misplaced Pages
3850-440: The review process, only two did so after 2001. As Nupedia dwindled into inactivity, the idea of converting it into a stable version of approved Misplaced Pages articles was occasionally broached, but never implemented. Nupedia's server crashed in September 2003. Nupedia's encyclopedic content was assimilated into Misplaced Pages. Nupedia had a seven-step editorial process, consisting of: Authors were expected to have expert knowledge (although
3920-426: The rights granted by the GPL". This forbids activities such as distributing the software under a non-disclosure agreement or contract. The fourth section for version 2 of the license and the seventh section of version 3 require that programs distributed as pre-compiled binaries be accompanied by a copy of the source code, a written offer to distribute the source code via the same mechanism as the pre-compiled binary, or
3990-566: The rights of the Free Software Definition . The licenses in the GPL series are all copyleft licenses, which means that any derivative work must be distributed under the same or equivalent license terms. It is more restrictive than the Lesser General Public License and even further distinct from the more widely-used permissive software licenses such as BSD , MIT , and Apache . Historically,
4060-440: The source code in obfuscated form, such as in cases in which the author is less willing to make the source code available. The consensus was that while unethical, it was not considered a violation. The issue was clarified when the license was altered with v2 to require that the "preferred" version of the source code be made available. The GPL was designed as a license , rather than a contract. In some common law jurisdictions,
4130-417: The terms of GPLv1 could be combined with software under more permissive terms, as this would not change the terms under which the whole could be distributed. However, software distributed under GPLv1 could not be combined with software distributed under a more restrictive license, as this would conflict with the requirement that the whole be distributable under the terms of GPLv1. According to Richard Stallman,
4200-446: The two main methods by which software distributors restricted the freedoms that define free software. The first problem was that distributors might publish only binary files that are executable, but not readable or modifiable by humans. To prevent this, GPLv1 stated that copying and distributing copies of any portion of the program must also make the human-readable source code available under the same licensing terms. The second problem
4270-459: The work and all derivatives. Many distributors of GPL licensed programs bundle the source code with the executables . An alternative method of satisfying the copyleft is to provide a written offer to provide the source code on a physical medium (such as a CD) upon request. In practice, many GPL licensed programs are distributed over the Internet, and the source code is made available over FTP or HTTP . For Internet distribution, this complies with
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#17327730124584340-510: The written offer to obtain the source code that the user got when they received the pre-compiled binary under the GPL. The second section of version 2 and the fifth section of version 3 also require giving "all recipients a copy of this License along with the Program". Version 3 of the license allows making the source code available in additional ways in fulfillment of the seventh section. These include downloading source code from an adjacent network server or by peer-to-peer transmission, provided that
4410-617: Was a free content encyclopedia, with Bomis intending to generate revenue from online ads on Nupedia.com. Initially, the project used a homegrown license, the Nupedia Open Content License. In January 2001, it switched to the GNU Free Documentation License at the urging of Richard Stallman and the Free Software Foundation . Also in January 2001, Nupedia started Misplaced Pages as a side-project to allow collaboration on articles before entering
4480-495: Was a computer programmer and former copy editor and agreed to be volunteer chief copy editor. Nupedia was powered by NupeCode collaborative software . NupeCode is free / open source software (released under the GNU General Public License ) designed for large peer review projects. The code was available via Nupedia's CVS repository. One of the problems experienced by Nupedia during much of its existence
4550-439: Was introduced at the same time and numbered with version 2 to show that both were complementary. The version numbers diverged in 1999 when version 2.1 of the LGPL was released, which renamed it the GNU Lesser General Public License to reflect its place in the philosophy. The GPLv2 was also modified to refer to the new name of the LGPL, but its version number remained the same, resulting in the original GPLv2 not being recognised by
4620-470: Was not a wiki ; it was instead characterized by an extensive peer-review process, designed to make its articles of a quality comparable to that of professional encyclopedias. Nupedia wanted scholars (ideally with PhDs) to volunteer content. Before it ceased operating, Nupedia produced 24 approved articles that had completed its review process and another 150 articles were in progress. Wales preferred Misplaced Pages's easier posting of articles, while Sanger preferred
4690-426: Was that distributors might add restrictions, either to the license or by combining the software with other software that had other restrictions on distribution. The union of two sets of restrictions would apply to the combined work, thus adding unacceptable constrictions. To prevent this, GPLv1 stated that modified versions, as a whole, had to be distributed under the terms of GPLv1. Therefore, software distributed under
4760-412: Was that the software lacked functionality. Much of the missing functionality had been mocked-up using underlined blocks of text which appeared to be hyperlinks, but actually were not. As part of the project, a new version of the original software (called "NuNupedia") was under development. NuNupedia was implemented for testing at SourceForge , but never reached a sufficient stage of development to replace
4830-594: Was to produce one license that could be used for any project, thus making it possible for many projects to share code. The second version of the license, version 2, was released in 1991. Over the following 15 years, members of the free software community became concerned over problems in the GPLv2 license that could let someone exploit GPL-licensed software in ways contrary to the license's intent. These problems included tivoization (the inclusion of GPL-licensed software in hardware that refuses to run modified versions of its software), compatibility issues similar to those of
4900-528: Was written by Richard Stallman in 1989, for use with programs released as part of the GNU project. It was based on a unification of similar licenses used for early versions of GNU Emacs (1985), the GNU Debugger , and the GNU C Compiler . These licenses contained similar provisions to the modern GPL, but were specific to each program, rendering them incompatible, despite being the same license. Stallman's goal
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