Machine Learning
You Are Who You Talk To: Detecting Roles in Usenet Newsgroups
HICSS '06 Proceedings of the 39th Annual Hawaii International Conference on System Sciences - Volume 03
Data Mining: Practical Machine Learning Tools and Techniques, Second Edition (Morgan Kaufmann Series in Data Management Systems)
Hits on question answer portals: exploration of link analysis for author ranking
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Finding high-quality content in social media
WSDM '08 Proceedings of the 2008 International Conference on Web Search and Data Mining
Predictors of answer quality in online Q&A sites
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Knowledge sharing and yahoo answers: everyone knows something
Proceedings of the 17th international conference on World Wide Web
Predicting information seeker satisfaction in community question answering
Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
Designing incentives for online question and answer forums
Proceedings of the 10th ACM conference on Electronic commerce
The role of game theory in human computation systems
Proceedings of the ACM SIGKDD Workshop on Human Computation
Learning to recommend helpful hotel reviews
Proceedings of the third ACM conference on Recommender systems
Why pay?: exploring how financial incentives are used for question & answer
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
What do people ask their social networks, and why?: a survey study of status message q&a behavior
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A classification-based review recommender
Knowledge-Based Systems
On the hierarchicalness of q&a posting networks
Proceedings of the 16th ACM international conference on Supporting group work
Using readability tests to predict helpful product reviews
RIAO '10 Adaptivity, Personalization and Fusion of Heterogeneous Information
An assessment of machine learning techniques for review recommendation
AICS'09 Proceedings of the 20th Irish conference on Artificial intelligence and cognitive science
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Design lessons from the fastest q&a site in the west
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Predicting web searcher satisfaction with existing community-based answers
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
Multimedia answering: enriching text QA with media information
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
Formulating effective questions for community-based question answering
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
'Natural' search user interfaces
Communications of the ACM
Online design discussion sites: emerging resource for creative design
OCSC'11 Proceedings of the 4th international conference on Online communities and social computing
A comparative assessment of answer quality on four question answering sites
Journal of Information Science
IP-QAT: in-product questions, answers, & tips
Proceedings of the 24th annual ACM symposium on User interface software and technology
Diversifying Product Review Rankings: Getting the Full Picture
WI-IAT '11 Proceedings of the 2011 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology - Volume 01
Answers, not links: extracting tips from yahoo! answers to address how-to web queries
Proceedings of the fifth ACM international conference on Web search and data mining
Asknext: An agent protocol for social search
Information Sciences: an International Journal
Participation in an online mathematics community: differentiating motivations to add
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Question temporality: identification and uses
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Tie strength in question & answer on social network sites
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Deconstructing interaction dynamics in knowledge sharing communities
SBP'10 Proceedings of the Third international conference on Social Computing, Behavioral Modeling, and Prediction
Propagation of question waves by means of trust in a social network
FQAS'11 Proceedings of the 9th international conference on Flexible Query Answering Systems
ACM Transactions on Information Systems (TOIS)
Using toolbar data to understand Yahoo!: answers usage
Proceedings of the 21st international conference companion on World Wide Web
Proceedings of the 21st international conference companion on World Wide Web
Understanding user intent in community question answering
Proceedings of the 21st international conference companion on World Wide Web
Understanding mobile Q&A usage: an exploratory study
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Automatic identification of best answers in online enquiry communities
ESWC'12 Proceedings of the 9th international conference on The Semantic Web: research and applications
When web search fails, searchers become askers: understanding the transition
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
The structure of argument patterns on a social Q&A site
Journal of the American Society for Information Science and Technology
How many answers are enough? optimal number of answers for Q&A sites
SocInfo'12 Proceedings of the 4th international conference on Social Informatics
Collaborative search revisited
Proceedings of the 2013 conference on Computer supported cooperative work
Who wants to know?: question-asking and answering practices among facebook users
Proceedings of the 2013 conference on Computer supported cooperative work
Learning and best practices for learning in open-source software communities
Computers & Education
Identification of useful user comments in social media: a case study on flickr commons
Proceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries
Competition-based networks for expert finding
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
Wisdom in the social crowd: an analysis of quora
Proceedings of the 22nd international conference on World Wide Web
A user term visualization analysis based on a social question and answer log
Information Processing and Management: an International Journal
Strategies for justifying counter-arguments in Q&A discussion
Journal of Information Science
Evolutionary optimization for ranking how-to questions based on user-generated contents
Expert Systems with Applications: An International Journal
Should your MOOC forum use a reputation system?
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
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
What do teens ask their online social networks?: social search practices among high school students
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
Question Waves: A multicast query routing algorithm for social search
Information Sciences: an International Journal
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Tens of thousands of questions are asked and answered every day on social question and answer (Q&A) Web sites such as Yahoo Answers. While these sites generate an enormous volume of searchable data, the problem of determining which questions and answers are archival quality has grown. One major component of this problem is the prevalence of conversational questions, identified both by Q&A sites and academic literature as questions that are intended simply to start discussion. For example, a conversational question such as "do you believe in evolution?" might successfully engage users in discussion, but probably will not yield a useful web page for users searching for information about evolution. Using data from three popular Q&A sites, we confirm that humans can reliably distinguish between these conversational questions and other informational questions, and present evidence that conversational questions typically have much lower potential archival value than informational questions. Further, we explore the use of machine learning techniques to automatically classify questions as conversational or informational, learning in the process about categorical, linguistic, and social differences between different question types. Our algorithms approach human performance, attaining 89.7% classification accuracy in our experiments.