Answer Garden: a tool for growing organizational memory
COCS '90 Proceedings of the ACM SIGOIS and IEEE CS TC-OA conference on Office information systems
A learning agent for wireless news access
Proceedings of the 5th international conference on Intelligent user interfaces
A Descriptive Framework of Workspace Awareness for Real-Time Groupware
Computer Supported Cooperative Work
Labeling images with a computer game
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Using social psychology to motivate contributions to online communities
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
The Wisdom of Crowds
Becoming Wikipedian: transformation of participation in a collaborative online encyclopedia
GROUP '05 Proceedings of the 2005 international ACM SIGGROUP conference on Supporting group work
Dogear: Social bookmarking in the enterprise
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Motivating participation by displaying the value of contribution
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
HT06, tagging paper, taxonomy, Flickr, academic article, to read
Proceedings of the seventeenth conference on Hypertext and hypermedia
Computer
A familiar face(book): profile elements as signals in an online social network
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
He says, she says: conflict and coordination in Wikipedia
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Socially augmenting employee profiles with people-tagging
Proceedings of the 20th annual ACM symposium on User interface software and technology
I tube, you tube, everybody tubes: analyzing the world's largest user generated content video system
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
ManyEyes: a Site for Visualization at Internet Scale
IEEE Transactions on Visualization and Computer Graphics
Comparing tagging vocabularies among four enterprise tag-based services
Proceedings of the 2007 international ACM conference on Supporting group work
Identity management: multiple presentations of self in facebook
Proceedings of the 2007 international ACM conference on Supporting group work
The dogear game: a social bookmark recommender system
Proceedings of the 2007 international ACM conference on Supporting group work
Access control by testing for shared knowledge
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tagsplanations: explaining recommendations using tags
Proceedings of the 14th international conference on Intelligent user interfaces
Predicting tie strength with social media
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Signpost from the masses: learning effects in an exploratory social tag search browser
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Amplifying community content creation with mixed initiative information extraction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Collabio: a game for annotating people within social networks
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Enhancing directed content sharing on the web
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Social comparisons to motivate contributions to an online community
PERSUASIVE'07 Proceedings of the 2nd international conference on Persuasive technology
UIST '10 Adjunct proceedings of the 23nd annual ACM symposium on User interface software and technology
Guess who?: enriching the social graph through a crowdsourcing game
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The trouble with social computing systems research
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Tools and architectural support for crowdsourced adaptation of web interfaces
ICWE'11 Proceedings of the 11th international conference on Web engineering
A hybrid approach for personalized recommendation of news on the Web
Expert Systems with Applications: An International Journal
Friends, romans, countrymen: lend me your URLs. using social chatter to personalize web search
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Socially computed scripts to support social problem solving skills
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Investigating the appropriateness of social network question asking as a resource for blind users
Proceedings of the 2013 conference on Computer supported cooperative work
Power of friends: when friends guess about their friends' guess
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Accessible photo album: enhancing the photo sharing experience for people with visual impairment
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Using stranger as sensors: temporal and geo-sensitive question answering via social media
Proceedings of the 22nd international conference on World Wide Web
Framing the conversation: the role of facebook conversations in shopping for eyeglasses
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
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When information is known only to friends in a social network, traditional crowdsourcing mechanisms struggle to motivate a large enough user population and to ensure accuracy of the collected information. We thus introduce friendsourcing, a form of crowdsourcing aimed at collecting accurate information available only to a small, socially-connected group of individuals. Our approach to friendsourcing is to design socially enjoyable interactions that produce the desired information as a side effect. We focus our analysis around Collabio, a novel social tagging game that we developed to encourage friends to tag one another within an online social network. Collabio encourages friends, family, and colleagues to generate useful information about each other. We describe the design space of incentives in social tagging games and evaluate our choices by a combination of usage log analysis and survey data. Data acquired via Collabio is typically accurate and augments tags that could have been found on Facebook or the Web. To complete the arc from data collection to application, we produce a trio of prototype applications to demonstrate how Collabio tags could be utilized: an aggregate tag cloud visualization, a personalized RSS feed, and a question and answer system. The social data powering these applications enables them to address needs previously difficult to support, such as question answering for topics comprehensible only to a few of a user's friends.