247:
The contributors can have intrinsic or extrinsic motivation to contribute. Further, the motivations to share knowledge can be categorized into individual-based and organization or website based motivations. Website based motivations (extrinsic) include rewards and incentives to the contributions like for example upvotes or coupons. Individual-based motivations (intrinsic) would constitute factors like a belief in knowledge ownership, individual characteristics, interpersonal trust, and will for justice. Specifically, two kinds of motivations drive people to participate in online Q&A: Why do people ask questions, and why do others answer these questions?
217:. A graph connecting topics to users, a social graph connecting users, and a graph connecting related questions. These connections help users find the topic that they are looking for and build a social connection with people sharing the same interests. Also, as contributors gather according to a common theme, their votes help to screen out the domain expert and the high quality questions in that field. The heterogeneity in the user and question graphs are significant contributors to the quality of the community's knowledge base.
103:, was launched, allowing users to ask questions and with the help of other people, have them answered. The slogan of the service, "The Ask Jeeves Answer Point is the place where you can ask and answer questions. Have a question? Post it! Know the answer? Post it!", indicated the main function of it, which inspired the creation of later Q&A sites. The last archived version of the Ask Point was from late 2001 when it still allowed registration.
165:: Also known as virtual reference, it is an extended version of traditional reference service where users in the library can get help from librarians with identifying desired materials. The advantage comes from the fact that users can have access anytime without physical constraints. The current services in this type include Ask an IPL Librarian of the Internet Public Library, and the Educators' Reference Desk
173:
of people often surpasses answers from experts in a traditional Q&A service. For example, Harper, Raban, Rafaeli, and
Konstan (2008) showed that a social Q&A system ended up with a better quality of answers than those of library reference services by comparing existing services. Established examples of community Q&A sites are
329:
The user asks their question which can be answered by any member of that online community. The answers then go through an assessment, wherein the good answers are upvoted and the bad answers are downvoted by the users (or a similar parallel on different platforms). The members of the online community
212:
Originally, Q&A communities had little structural or role-based organization. In recent years, some communities started to form social and information structures. This is driven by the increasing number of contributors and the adoption of new features as mentioned above. Research shows that there
153:
An online Q&A service serves the public with its ease of getting access without temporal and spatial constraints. The mechanisms are standardized: Questioners express their information needs in the form of a question, and people (experts, or other users in the system) answer those questions based
325:
to obtain answers to posted questions. Crowdsourcing is the act of outsourcing work to an undefined, networked labor using an open call for participation, and it is used to support the activities on most Q&A software (such as Stack
Exchange, Quora, etc.). This technique allows the user to obtain
277:
The next step regarding the cycle of question and answering behaviors is for askers to assess answers to see if answers meet their expectations from information needs. In the same survey examined by Choi (2014), the most desired factor was “Additional or alternative information (4.03 / 5)”, followed
238:
such as approval, status, and respect play a very important role in motivating people to contribute to the Q&A software. User's eagerness of showing their knowledge and expertise and the potential chance of being noticed by recruiters also play a role in motivating people to answer questions and
190:
Community Q&A sites involved everyday users in answering questions – it largely increased the number of contributors. One of the problems of these communities is that it is hard to control the quality of answers compared with "ask an expert service". In recent years, community Q&A sites tend
172:
Social Q&A (community Q&A): In social Q&A services, any user in the community can ask or answer questions. Since a question can receive attention from many people unlike expert service, questioners are likely to benefit from the wisdom of crowds. The set of answers made by a large number
284:
Answering behaviors have raised curiosity among researchers, because there is in general no explicit compensations against the activity. Raban and Harper (2008) asked people who answered questions on social Q&A about the motivation of their answering behavior as well in the same survey. The top
246:
The social capital, social exchange, and social cognitive theories explain why users may continuously contribute knowledge to online social Q&A communities. However, some potential users may also feel hesitant to contribute due to fear of criticism from or of misleading online community members
333:
This type of crowd participation in a Q&A platform has the potential to increase the knowledge of individual users, thus improving and speeding up their work process. The abundance of information to which users are exposed through this system is effectively changing the way people collaborate,
233:
to share knowledge. People who trust the software more tend to be involved more in question and answer activities. The knowledge contribution from others leads to even more people to share their knowledge. Users who read more contributed knowledge tend to contribute more generally. Users are also
253:
While there are many different ways of fulfilling information needs, a large number of people are asking questions in online Q&A services. What motivates people to take advantage of those systems? And what do users expect from using these systems? Choi (2014) surveyed 200 people who actively
168:
Expert services: Represents a technological and social way of providing quality question answering service. This service is staffed by domain experts. Organizations other than libraries offer Q&A service where experts in a specific area answer questions. Some are fee-based (e.g., NetWellness
110:
in August 2001 which used Google staffers to answer questions by e-mail. A flat fee (US$ 3.00) was involved for an answer. In April 2002, Google launched Google
Answers, which allowed users to post answers to questions, to replace its predecessor. Google Answers cost askers $ 2 to $ 200 for an
376:
A large number of users shifted from mailing lists to Q&A software. In addition, users of Q&A software tend to provide answer faster. Q&A software and websites are considered forms of crowdsourcing systems, they have wide-ranging impacts that can be either positive or negative.
118:, which was later replaced by the beta version of Yahoo! Answers on December 8, 2005. Ask Yahoo! was discontinued in March 2006. Yahoo! Answers give members the chance to earn points, thus encouraging user participation. To support countries using non-English characters,
95:
answers to them. This kind of software is particularly useful for responding to questions regarding specific industries. Users may learn by regularly answering questions or exchanging views with other industry specialists using the website.
157:
Online Q&A service can be classified into several types in terms of who answer questions, and how services maintain and control the quality of information. Shah et al. (2009) classified online Q&A service into three categories:
902:
1875:
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asked questions on Yahoo! Answers, and asked them the motivations and expectations of asking behaviors in online Q&A system. The five most significant factors of asking behaviors in the survey are:
195:, and highly interactive browsing and searching capabilities. These features used the crowd power to evaluate the quality of answers and also the reliability of the contributors. Some communities as
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tags the users received highest votes in a given domain as "Excellent answer provider". These new features generally integrate some expert verification and service into Q&A community sites.
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by “Accurate and complete information”. It is interesting that factors related to information itself surpassed “social and emotional support (2.47 / 5)” which is related to affective needs.
2488:
132:
was founded in June 2009, while the website was made available to the public on June 21, 2010. Users can collaborate by editing questions and suggesting edits to other users' answers.
373:
Q&A sites and software as a way of coordinating development and user support activities, compared to the traditional mailing list, have a significant impact on user behavior.
1239:
Vasilescu, Bogdan; Serebrenik, Alexander; Devanbu, Prem; Filkov, Vladimir (2014). "How social Q&A sites are changing knowledge sharing in open source software communities".
1052:
Jin, Jiahua; Li, Yijun; Zhong, Xiaojia; Zhai, Li (2015-11-01). "Why users contribute knowledge to online communities: An empirical study of an online social Q&A community".
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Ardichvili, Alexander; Page, Vaughn; Wentling, Tim (2003-03-01). "Motivation and barriers to participation in virtual knowledge-sharing communities of practice".
44:
that attempts to answer questions asked by users (Q&A stands for "question and answer"). Q&A software is frequently integrated by large and specialist
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Q&A software is often provided to corporate and specialist sites, so the site and its users can be asked questions as well as provide or receive
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mechanisms, while also featuring no direct mutual interest between its users, trusting the software and the
Internet environment provides some
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546:
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to embrace newer interaction designs than the other types of Q&A sites, by providing features like tagging and rating interfaces,
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can explain the appeal of displaying statistics or getting awarded with badges and similar for contributions to Q&A communities.
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1621:
736:
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From 2010 with the widespread use of smartphones and tablets, there is an increasing number of Q&A sites that decide to launch
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Mao, Ke; Capra, Licia; Harman, Mark; Jia, Yue; A survey of the use of crowdsourcing in software engineering. (2016, September 20)
123:
1771:
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895:"Web Search History: Before Google Answers and Yahoo Answers There Was "Answer Point" From Ask Jeeves | Search Engine Watch"
1226:
Vasilescu, Bogdan, et al. “StackOverflow and GitHub: Associations
Between Software Development and Crowdsourced Knowledge.”
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Although many online Q&A communities do not include financial rewards for users' knowledge-contribution behaviors or
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was launched in
September 2009 and features a network of specialized communities with some degree of self-moderation.
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Since then, more and more sites have begun to offer Q&A services. Google launched its Q&A service called
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that allows users in similar fields to discuss questions and provide answers to common and specialist questions.
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Support for multiple communities within a single installation, multiple categories within a single community
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2012:
107:
1321:
390:
17:
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http://www.netwellness.org), whereas others offer free-service (e.g., PickAnswer http://pickanswer.com)
162:
1517:
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Differentiation of questions and answers (features that affect answers should not affect the question)
2101:
2122:
1241:
Proceedings of the 17th ACM conference on
Computer supported cooperative work & social computing
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975:
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145:. Popular Q&A sites like Yahoo! Answers and Quora have launched their own mobile applications.
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2058:
970:
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1151:
1872:"When will Atlassian be able to share the OSQA to Confluence Questions conversion scripts?"
585:
1817:
8:
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295:
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operate different platforms in some Asian countries, such as Yahoo! Chiebukuro (Yahoo!知恵袋
1617:
869:"HOW TO: Set Up a Q&A Website in Minutes – the Best Options Reviewed & Compared"
349:
Differentiation of answers (replies to the question) and comments (replies to an answer)
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1104:
1025:
1013:
142:
1214:
Yao, Tong, et al. “Detecting high-quality posts in community question answering sites”
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Shah, Chirag; Oh, Sanghee; Oh, Jung Sun (2009). "Research agenda for social Q&A".
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answers from a large community, with lower costs and defect rates to the developers.
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31:
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Maxwell, Harper (2008). "Predictors of answer quality in online Q&A sites".
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are three different connection networks (or graphs) inside communities such as
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68:
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accepted answer. By late
December 2006, it was fully closed to new activity.
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2405:
1897:
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999:
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seeking recognition when they contribute knowledge on the Q&A software.
2509:
1392:
1342:
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126:) in Japan and as Yahoo! Knowledge in Korea, Taiwan, China, and Hong Kong.
2083:
952:
Proceedings of the SIGCHI Conference on Human
Factors in Computing Systems
2292:
2148:"How can I create 'Question Answer' website using Pligg? - Pligg Support"
1947:
1692:
1127:"Motivations and Expectations for Asking Questions Within Online Q&A"
664:
99:
In the late 1990s, a free online service called Answer Point provided by
45:
1467:
1922:
1292:
230:
115:
100:
1979:
364:
Marking a question as a duplicate of another one (if the event occurs)
330:
can find a question that needs answering to and answer that question.
2235:
2206:
1718:"[Fundraiser] Is it possible to migrate from OSQA to AskBot?"
1493:"Are there logs we can look at to see how a user created an account?"
631:
509:
1368:"Questions - Ask Fedora: Community Knowledge Base and Support Forum"
868:
2455:
192:
1898:"[CQ-1475] Publish AAC migration scripts - Atlassian JIRA"
992:
Proceedings of the 22nd international conference on World Wide Web
114:
In early 2000s, Yahoo! launched its online Q&A service called
1846:
1667:
501:
436:
2008:
1593:"How can I add an oauth2 custom login provider to askbot ?"
1238:
497:
Yes (conversion from some apps, server-side dump import/export)
2240:
1952:
1818:"Confluence Questions - Knowledge Sharing Software - Atlassian"
1693:"Import other forums into Askbot — Askbot 0.7.54 documentation"
1317:
482:
449:
92:
2033:
486:
407:
214:
196:
178:
129:
72:
355:
Sorting of answers by votes and questions by answered status
478:
396:
This table shows self-hostable Q&A software solutions.
64:
60:
2097:
1743:"Askbot management commands — Askbot 0.7.54 documentation"
342:
Some other defining features a Q&A software include:
2267:
55:
There are numerous examples of Q&A software in both
1768:"Sending email to askbot — Askbot 0.7.54 documentation"
385:
A complete comparison of Q&A sites can be found at
185:
1243:. CSCW '14. New York, NY, USA: ACM. pp. 342–354.
1078:
258:
Learning; Self-education through acquiring information
2481:"Only logged in users can view questions and answers"
1618:"Skin system in Askbot — Askbot 0.7.54 documentation"
1468:"Moderation in Askbot — Askbot 0.7.54 documentation"
887:
967:
Motivations for
Answering Questions Online Abstract
207:
1177:
990:Wang, Gang (2013). "Wisdom in the social crowd".
2557:
1568:"Optional modules — Askbot 0.7.54 documentation"
1178:Doan, Anhai; Ramakrishnan, Raghu; Halevy, Alon.
1056:. Novel applications of social media analytics.
771:Import from StackExchange with linking profiles
472:Partial (moderators, premoderation recommended)
539:Unpublished migration script from OSQA exists.
264:Seeking advice or opinions for making decisions
2363:"Contributors to q2a/question2answer · GitHub"
1051:
321:Q&A software uses a sourcing model called
1281:https://meta.stackexchange.com/a/37953/260073
1180:"Crowdsourcing Systems on the World-Wide Web"
334:communicate and learn in online communities.
270:Gaining a sense of security through knowledge
1318:"The Askbot Open Source Project on Open Hub"
2390:: CS1 maint: numeric names: authors list (
2346:: CS1 maint: numeric names: authors list (
1793:"Which features do you want in Ask Fedora?"
2236:"The QPixel Open Source Project on GitHub"
2034:"The OSQA Open Source Project on Open Hub"
1668:"Askbot API — Askbot 0.7.54 documentation"
925:Library & Information Science Research
337:
2319:"Releases · q2a/question2answer · GitHub"
1543:"can askbot be a private membership site"
974:
922:
640:25k question top, 5k+ in multiple sites
2268:"Codidact open-source Q&A platform"
964:
949:
861:
14:
2558:
2535:"Creating plugins for Question2Answer"
965:Raban, Daphne R.; Harper, F. Maxwell.
2510:"Creating themes for Question2Answer"
2178:"Releases · Pligg/pligg-cms · GitHub"
1234:
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1222:
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1199:
875:from the original on 14 February 2014
2293:"What customizations are available?"
2248:from the original on 23 January 2022
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1045:
1043:
1041:
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494:Partial (read-only, only questions)
186:Change of Q&A community features
1418:"Better multilingual organization?"
27:Online question and answer software
24:
1229:
1217:
1196:
25:
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2175:
1878:from the original on 4 March 2016
1518:"Can you make private questions?"
1115:
1038:
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48:and tends to be implemented as a
1960:from the original on 25 May 2015
1124:
316:
208:Social and information structure
2541:from the original on 2018-12-12
2527:
2516:from the original on 2018-12-07
2502:
2491:from the original on 2018-12-09
2473:
2462:from the original on 2018-12-09
2448:
2437:from the original on 2018-12-16
2423:
2412:from the original on 2018-12-09
2398:
2373:from the original on 2015-02-21
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2354:
2329:from the original on 2020-09-14
2316:
2310:
2299:from the original on 2023-03-10
2285:
2274:from the original on 2022-02-06
2260:
2228:
2217:from the original on 2015-04-10
2199:
2188:from the original on 2013-12-14
2169:
2158:from the original on 2015-03-22
2140:
2129:from the original on 2015-05-02
2115:
2104:from the original on 2015-04-23
2098:"Lockergnome Community Q&A"
2090:
2076:
2065:from the original on 2015-04-10
2051:
2040:from the original on 2017-06-30
2026:
2015:from the original on 2015-05-02
2001:
1990:from the original on 2017-10-17
1980:"1,500+ customers and counting"
1972:
1940:
1929:from the original on 2017-06-06
1915:
1904:from the original on 2016-03-04
1890:
1864:
1853:from the original on 2015-05-22
1847:"Questions - Atlassian Answers"
1839:
1828:from the original on 2015-05-26
1810:
1799:from the original on 2015-09-06
1785:
1774:from the original on 2015-04-28
1760:
1749:from the original on 2010-12-31
1735:
1724:from the original on 2016-03-03
1710:
1699:from the original on 2011-01-28
1685:
1674:from the original on 2014-03-02
1660:
1649:from the original on 2015-05-01
1635:
1624:from the original on 2011-06-16
1610:
1599:from the original on 2016-03-04
1585:
1574:from the original on 2015-04-28
1560:
1549:from the original on 2016-03-04
1535:
1524:from the original on 2016-03-03
1510:
1499:from the original on 2016-03-03
1485:
1474:from the original on 2012-08-22
1460:
1449:from the original on 2016-03-03
1435:
1424:from the original on 2016-03-04
1410:
1399:from the original on 2015-04-11
1385:
1360:
1349:from the original on 2015-04-23
1335:
1324:from the original on 2017-06-30
1310:
1299:from the original on 2015-09-08
1285:
1273:
1208:
1171:
1139:from the original on 2017-12-15
1081:Journal of Knowledge Management
905:from the original on 2017-02-04
871:. Inspired Mag. 14 March 2010.
560:45k+ questions in the top site
361:Question tagging and tag search
2123:"OSQA spammers keep siging up"
2059:"What sites are running OSQA?"
1072:
983:
958:
943:
916:
701:Pligg core "story submission"
504:, user tags newsletter, other
220:
13:
1:
2431:"Translating Question2Answer"
1343:"Questions - Ask LibreOffice"
1030:: CS1 maint: date and year (
854:
463:30k+ questions in some sites
380:
202:
67:, OSQA, Question2Answer, and
2566:Question-and-answer websites
1279:There are potentially more.
1054:Information & Management
267:Finding relevant information
261:Having fun asking a question
108:Google Questions and Answers
7:
2207:"Top Users - Pligg Support"
1393:"Domande - Ask LibreOffice"
828:Comparison of Q&A sites
820:
751:10k+ questions in one site
522:25k+ questions in one site
391:Comparison of wiki software
387:Comparison of Q&A sites
292:Enjoyment in helping others
10:
2582:
2456:"Question2Answer features"
937:10.1016/j.lisr.2009.07.006
791:20k+ sites, 6m+ questions
163:Digital reference services
86:
29:
1093:10.1108/13673270310463626
368:
282:Motivation for answering:
1066:10.1016/j.im.2015.07.005
285:ranked motivations are:
275:Expectation from askers:
30:Not to be confused with
2406:"Question2Answer sites"
1249:10.1145/2531602.2531659
1000:10.1145/2488388.2488506
338:Other defining features
1159:Cite journal requires
994:. pp. 1341–1352.
634:version of Answerhub)
352:User voting of answers
289:Reputation enhancement
251:Motivation for asking:
239:contribute questions.
71:. Communities such as
1948:"Discourse on GitHub"
1643:"Questions - My site"
1443:"Questions - My site"
899:searchenginewatch.com
358:Approval of an answer
312:Continuance intention
154:on their knowledge.
627:2011? (2015 master)
586:Discourse (software)
512:Confluence Question
404:Stable release date
500:Email Q&A, auto
143:mobile applications
63:formats, including
665:Phabricator Ponder
427:Private questions
227:reputation-ranking
32:Q&A (Symantec)
2244:. 2 August 2022.
1956:. 3 August 2022.
848:Reputation system
818:
817:
757:Ruby, JavaScript
672:Yes (Apache v.2)
605:Ruby, JavaScript
424:Abuse prevention
16:(Redirected from
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1923:"About Biostars"
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1874:. 10 June 2014.
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1370:. Archived from
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1308:
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1131:
1122:
1113:
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1021:
987:
981:
980:
978:
962:
956:
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947:
941:
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920:
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913:
911:
910:
891:
885:
884:
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880:
865:
838:Online community
833:Knowledge market
808:Themes, Plugins
779:Question2Answer
399:
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38:Q&A software
21:
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2580:
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2429:
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2161:
2159:
2146:
2145:
2141:
2132:
2130:
2121:
2120:
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2107:
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2096:
2095:
2091:
2084:"Is OSQA dead?"
2082:
2081:
2077:
2068:
2066:
2057:
2056:
2052:
2043:
2041:
2032:
2031:
2027:
2018:
2016:
2007:
2006:
2002:
1993:
1991:
1978:
1977:
1973:
1963:
1961:
1946:
1945:
1941:
1932:
1930:
1921:
1920:
1916:
1907:
1905:
1896:
1895:
1891:
1881:
1879:
1870:
1869:
1865:
1856:
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1600:
1591:
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1577:
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1566:
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1527:
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1402:
1400:
1391:
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1386:
1377:
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1366:
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1361:
1352:
1350:
1341:
1340:
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1315:
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1293:"askbot 0.10.2"
1291:
1290:
1286:
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1274:
1259:
1237:
1230:
1225:
1218:
1213:
1209:
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1197:
1187:
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1182:
1176:
1172:
1160:
1158:
1149:
1148:
1142:
1140:
1136:
1129:
1123:
1116:
1077:
1073:
1050:
1039:
1023:
1022:
1010:
988:
984:
976:10.1.1.119.1962
963:
959:
948:
944:
921:
917:
908:
906:
893:
892:
888:
878:
876:
867:
866:
862:
857:
852:
823:
441:Export, import
430:Authentication
383:
371:
340:
319:
223:
210:
205:
188:
151:
89:
83:Q&A sites.
42:online software
35:
28:
23:
22:
15:
12:
11:
5:
2579:
2569:
2568:
2552:
2551:
2526:
2501:
2472:
2447:
2422:
2397:
2353:
2309:
2284:
2259:
2227:
2198:
2168:
2139:
2114:
2089:
2075:
2050:
2025:
2000:
1971:
1939:
1914:
1889:
1863:
1838:
1809:
1784:
1759:
1734:
1709:
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1257:
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1161:|journal=
1114:
1071:
1060:(7): 840–849.
1037:
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931:(4): 205–209.
915:
886:
859:
858:
856:
853:
851:
850:
845:
840:
835:
830:
824:
822:
819:
816:
815:
813:
811:
809:
806:
804:
801:
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795:
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789:
786:
783:
780:
776:
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772:
769:
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764:
762:
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755:
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749:
746:
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740:
733:
732:
730:
728:
726:
724:
722:
720:
718:
716:
714:
711:
708:
707:Maybe (CC-BY)
705:
702:
698:
697:
695:
693:
690:
688:
686:
684:
682:
679:
677:
675:
673:
670:
667:
661:
660:
658:
656:
654:
652:
650:
648:
645:
643:
641:
638:
635:
630:Maybe (GPLv3;
628:
625:
621:
620:
618:
616:
614:
612:
610:
608:
606:
603:
600:
597:
594:
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582:
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531:
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498:
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492:
489:
476:
473:
470:
467:
464:
461:
458:
455:
452:
446:
445:
442:
439:
434:
433:Customisation
431:
428:
425:
422:
419:
416:
413:
410:
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402:
382:
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370:
367:
366:
365:
362:
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353:
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347:
339:
336:
318:
315:
314:
313:
310:
307:
304:
298:
293:
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272:
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268:
265:
262:
259:
236:Social rewards
222:
219:
209:
206:
204:
201:
187:
184:
183:
182:
175:Stack Exchange
170:
166:
150:
149:Classification
147:
136:Stack Exchange
120:Yahoo! Answers
88:
85:
77:Stack Exchange
69:Stack Exchange
26:
9:
6:
4:
3:
2:
2578:
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2124:
2118:
2103:
2099:
2093:
2085:
2079:
2064:
2060:
2054:
2039:
2035:
2029:
2014:
2010:
2004:
1989:
1985:
1984:discourse.org
1981:
1975:
1959:
1955:
1954:
1949:
1943:
1928:
1924:
1918:
1903:
1899:
1893:
1877:
1873:
1867:
1852:
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1473:
1469:
1463:
1448:
1444:
1438:
1423:
1419:
1413:
1398:
1394:
1388:
1374:on 2018-10-30
1373:
1369:
1363:
1348:
1344:
1338:
1323:
1319:
1313:
1298:
1294:
1288:
1282:
1276:
1268:
1264:
1260:
1258:9781450325400
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1202:
1200:
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1106:
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1075:
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1019:
1015:
1011:
1009:9781450320351
1005:
1001:
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993:
986:
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930:
926:
919:
904:
900:
896:
890:
874:
870:
864:
860:
849:
846:
844:
843:Crowdsourcing
841:
839:
836:
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831:
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826:
825:
814:
812:
810:
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781:
778:
777:
773:
770:
768:
765:
763:
761:
759:
756:
753:
750:
747:
745:Yes (AGPLv3)
744:
741:
738:
735:
734:
731:
729:
727:
725:
723:
721:
719:
717:
715:
712:
709:
706:
703:
700:
699:
696:
694:
691:
689:
687:
685:
683:
680:
678:
676:
674:
671:
668:
666:
663:
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657:
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653:
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642:
639:
636:
633:
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623:
622:
619:
617:
615:
613:
611:
609:
607:
604:
601:
598:
595:
592:
589:
587:
584:
583:
580:
578:
575:
573:
571:
569:
567:
564:
562:
559:
556:
553:
550:
548:
545:
544:
541:
538:
536:
534:
532:
530:
528:
526:
524:
521:
519:
516:
514:
511:
508:
507:
503:
499:
496:
493:
491:Skins, other
490:
488:
484:
480:
477:
474:
471:
468:
465:
462:
459:
456:
453:
451:
448:
447:
443:
440:
438:
435:
432:
429:
426:
423:
420:
418:Multilingual
417:
414:
411:
409:
408:Free software
406:
403:
401:
400:
397:
394:
392:
388:
378:
374:
363:
360:
357:
354:
351:
348:
345:
344:
343:
335:
331:
327:
324:
323:crowdsourcing
317:Crowdsourcing
311:
308:
305:
303:
302:self-efficacy
299:
297:
294:
291:
288:
287:
286:
283:
279:
276:
269:
266:
263:
260:
257:
256:
255:
252:
248:
244:
242:
237:
232:
228:
218:
216:
200:
198:
194:
180:
176:
171:
167:
164:
161:
160:
159:
155:
146:
144:
139:
137:
133:
131:
127:
125:
121:
117:
112:
109:
104:
102:
97:
94:
84:
82:
81:closed source
78:
74:
70:
66:
62:
58:
53:
51:
47:
43:
39:
33:
19:
2543:. Retrieved
2529:
2518:. Retrieved
2504:
2493:. Retrieved
2484:
2475:
2464:. Retrieved
2450:
2439:. Retrieved
2425:
2414:. Retrieved
2400:
2375:. Retrieved
2366:
2356:
2331:. Retrieved
2322:
2312:
2301:. Retrieved
2287:
2276:. Retrieved
2262:
2250:. Retrieved
2239:
2230:
2219:. Retrieved
2210:
2201:
2190:. Retrieved
2181:
2171:
2160:. Retrieved
2151:
2142:
2131:. Retrieved
2117:
2106:. Retrieved
2092:
2078:
2067:. Retrieved
2053:
2042:. Retrieved
2028:
2017:. Retrieved
2003:
1992:. Retrieved
1983:
1974:
1962:. Retrieved
1951:
1942:
1931:. Retrieved
1917:
1906:. Retrieved
1892:
1880:. Retrieved
1866:
1855:. Retrieved
1841:
1830:. Retrieved
1821:
1812:
1801:. Retrieved
1787:
1776:. Retrieved
1762:
1751:. Retrieved
1737:
1726:. Retrieved
1712:
1701:. Retrieved
1687:
1676:. Retrieved
1662:
1651:. Retrieved
1637:
1626:. Retrieved
1612:
1601:. Retrieved
1587:
1576:. Retrieved
1562:
1551:. Retrieved
1537:
1526:. Retrieved
1512:
1501:. Retrieved
1487:
1476:. Retrieved
1462:
1451:. Retrieved
1437:
1426:. Retrieved
1412:
1401:. Retrieved
1387:
1376:. Retrieved
1372:the original
1362:
1351:. Retrieved
1337:
1326:. Retrieved
1312:
1301:. Retrieved
1287:
1275:
1240:
1210:
1186:. Retrieved
1173:
1152:cite journal
1141:. Retrieved
1125:Choi, Erik.
1087:(1): 64–77.
1084:
1080:
1074:
1057:
1053:
991:
985:
966:
960:
951:
945:
928:
924:
918:
907:. Retrieved
898:
889:
877:. Retrieved
863:
599:1500+ sites
593:Yes (GPLv2)
457:Yes (GPLv3)
395:
384:
375:
372:
341:
332:
328:
320:
309:Confirmation
306:Satisfaction
281:
280:
274:
273:
250:
249:
245:
241:Gamification
224:
211:
189:
156:
152:
140:
134:
128:
113:
105:
98:
90:
54:
46:corporations
37:
36:
18:Q&A site
2485:Q2A Q&A
879:12 December
782:2019-01-12
742:2020-12-17
739:(Codidact)
590:2021-10-21
551:2012-04-23
454:2017-03-01
412:Committers
296:Reciprocity
221:Motivations
57:open source
2545:2018-12-08
2520:2018-12-08
2495:2018-12-08
2466:2018-12-08
2441:2018-12-08
2416:2018-12-08
2377:2015-04-23
2333:2015-04-23
2303:2023-03-10
2278:2022-02-06
2252:6 February
2221:2015-04-23
2192:2015-04-23
2162:2015-04-23
2133:2015-04-25
2108:2015-04-23
2069:2015-04-23
2044:2015-04-23
2019:2015-04-23
2009:"Download"
1994:2022-02-06
1964:6 February
1933:2017-06-04
1908:2015-04-23
1857:2015-04-23
1832:2015-04-23
1803:2015-07-25
1778:2015-04-25
1753:2015-04-25
1728:2015-04-25
1703:2015-04-25
1678:2015-04-25
1653:2015-04-25
1628:2015-04-25
1603:2015-04-25
1578:2015-04-25
1553:2015-04-25
1528:2015-04-25
1503:2015-04-25
1478:2015-04-25
1453:2015-04-25
1428:2015-04-25
1403:2015-04-23
1378:2015-04-23
1353:2015-04-23
1328:2015-04-23
1303:2015-04-23
1188:3 February
1143:2017-12-15
909:2017-02-04
855:References
554:Yes (MIT)
381:Comparison
300:Knowledge
231:motivation
203:Mechanisms
116:Ask Yahoo!
101:Ask Jeeves
2211:Pligg CMS
2152:Pligg CMS
1822:Atlassian
1101:1367-3270
1026:cite book
971:CiteSeerX
785:Yes, GPL
632:open core
510:Atlassian
421:Language
193:RSS feeds
50:community
2560:Category
2539:Archived
2514:Archived
2489:Archived
2460:Archived
2435:Archived
2410:Archived
2386:cite web
2371:Archived
2342:cite web
2327:Archived
2297:Archived
2272:Archived
2246:Archived
2215:Archived
2186:Archived
2156:Archived
2127:Archived
2102:Archived
2063:Archived
2038:Archived
2013:Archived
1988:Archived
1958:Archived
1927:Archived
1902:Archived
1882:23 April
1876:Archived
1851:Archived
1826:Archived
1797:Archived
1772:Archived
1747:Archived
1722:Archived
1697:Archived
1672:Archived
1647:Archived
1622:Archived
1597:Archived
1572:Archived
1547:Archived
1522:Archived
1497:Archived
1472:Archived
1447:Archived
1422:Archived
1397:Archived
1347:Archived
1322:Archived
1297:Archived
1267:14196171
1134:Archived
1109:14849211
1018:15626910
903:Archived
873:Archived
821:See also
803:Partial
704:2014-08
547:Biostars
502:tweeting
475:Partial
2176:Pligg.
565:Python
469:Python
437:Web API
87:History
2367:GitHub
2323:GitHub
2241:GitHub
2182:GitHub
1953:GitHub
1265:
1255:
1107:
1099:
1016:
1006:
973:
737:QPixel
692:Maybe
647:Maybe
576:Maybe
483:OpenID
450:Askbot
444:Other
369:Impact
93:expert
2361:q2a.
2317:q2a.
1263:S2CID
1183:(PDF)
1137:(PDF)
1130:(PDF)
1105:S2CID
1014:S2CID
669:2015
624:OSQA
596:800+
487:OAuth
460:100+
415:Size
215:Quora
197:Zhihu
179:Quora
130:Quora
73:Quora
2392:link
2348:link
2254:2022
1966:2022
1884:2015
1253:ISBN
1190:2017
1165:help
1097:ISSN
1032:link
1004:ISBN
881:2013
800:Yes
797:PHP
794:Yes
788:15+
766:Yes
748:30+
713:2k+
681:PHP
637:30+
602:Yes
557:10+
479:LDAP
466:Yes
389:and
177:and
79:are
65:Qhub
61:SaaS
59:and
1245:doi
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