According to our database1, Sheizaf Rafaeli
Legend:Book In proceedings Article PhD thesis Other
Gamifying with badges: A big data natural experiment on Stack Exchange.
First Monday, 2017
Introduction to Persistent Conversation Minitrack.
Proceedings of the 50th Hawaii International Conference on System Sciences, 2017
Off the Radar: Comparative Evaluation of Radial Visualization Solutions for Composite Indicators.
IEEE Trans. Vis. Comput. Graph., 2016
The effect of online interruptions on the quality of cognitive performance.
Telematics and Informatics, 2016
Interactivity in online discussions and learning outcomes.
Computers & Education, 2016
How Interactive is a Semantic Network? Concept Maps and Discourse in Knowledge Communities.
Proceedings of the 49th Hawaii International Conference on System Sciences, 2016
Static vs. Dynamic Time Mapping in Radial Composite Indicator Visualization.
Proceedings of the International Working Conference on Advanced Visual Interfaces, 2016
Network-structured discussions for collaborative concept mapping and peer learning.
IBM Journal of Research and Development, 2015
I just wanted to ask: A comparison of user studies of the Citizens Advice Bureau (SHIL) in Israel.
Active players in a network tell the story: Parsimony in modeling huge networks.
First Monday, 2014
Drivers and Inhibitors of Mobile-Payment Adoption by Smartphone Users.
Volunteers acting as information providers to citizens.
Aslib Proceedings, 2012
Knowledge and Social Networks in Yahoo! Answers.
Proceedings of the 45th Hawaii International International Conference on Systems Science (HICSS-45 2012), 2012
P-MART: Towards a classification of online prediction markets.
First Monday, 2011
Online Pauses and Silence: Chronemic Expectancy Violations in Written Computer-Mediated Communication.
Communication Research, 2011
Not All Is Gold That Glitters: Response Time & Satisfaction Rates in Yahoo! Answers.
Proceedings of the PASSAT/SocialCom 2011, Privacy, 2011
A User Survey of a Site Providing Citizen Information: Preliminary Findings of SHIL.Info.
Proceedings of the 5th Mediterranean Conference on Information Systems, 2010
Measuring the premium on common knowledge in computer-mediated coordination problems.
Computers in Human Behavior, 2009
Wikibooks in higher education: Empowerment through online distributed collaboration.
Computers in Human Behavior, 2008
Emergence of terminological conventions as an author-searcher coordination game.
Proceedings of the 17th International Conference on World Wide Web, 2008
Predictors of answer quality in online Q&A sites.
Proceedings of the 2008 Conference on Human Factors in Computing Systems, 2008
Popularity and findability through log analysis of search terms and queries: the case of a multilingual public service website.
J. Information Science, 2007
How social motivation enhances economic activity and incentives in the Google Answers knowledge sharing market.
Investigating ownership and the willingness to share information online.
Computers in Human Behavior, 2007
Pauses and Response Latencies: A Chronemic Analysis of Asynchronous CMC.
J. Computer-Mediated Communication, 2006
The effect of source nature and status on the subjective value of information.
Invisible participants: how cultural capital relates to lurking behavior.
Proceedings of the 15th international conference on World Wide Web, 2006
Wiki uses in teaching and learning.
Proceedings of the 2006 International Symposium on Wikis, 2006
Analysis of Queries Reaching SHIL on the Web - An Information System Providing Citizen Information.
Proceedings of the Next Generation Information Technologies and Systems, 2006
'Friends Group' in Recommender Systems: Effects of User Involvement in the Formation of Recommending Groups.
Proceedings of the International Conference on Information Systems, 2006
Simulating internet auctions online: effects of learning and experience.
Information sharing online: a research challenge.
Social Recommender Systems: Recommendations in Support of E-Learning.
Social Presence: Influence on Bidders in Internet Auctions.
Electronic Markets, 2005
Email Chronemics: Unobtrusive Profiling of Response Times.
Proceedings of the 38th Hawaii International Conference on System Sciences (HICSS-38 2005), 2005
Information Overload and the Message Dynamics of Online Interaction Spaces: A Theoretical Model and Empirical Exploration.
Information Systems Research, 2004
On-line question-posing and peer-assessment as means for web-based knowledge sharing in learning.
Int. J. Hum.-Comput. Stud., 2004
Asynchronous discussion groups as Small World and Scale Free Networks.
First Monday, 2004
QSIA - a Web-based environment for learning, assessing and knowledge sharing in communities.
Computers & Education, 2004
De-Lurking in Virtual Communities: A Social Communication Network Approach to Measuring the Effects of Social and Cultural Capital.
Proceedings of the 37th Hawaii International Conference on System Sciences (HICSS-37 2004), 2004
Experimental Investigation of the Subjective Value of Information in Trading.
J. AIS, 2003
Information sharing as enabler for the virtual team: an experimental approach to assessing the role of electronic mail in disintermediation.
Inf. Syst. J., 2003
The architecture of commKnowledge: combining link structure and user actions to support an online community.
Online auctions, messaging, communication and social facilitation: a simulation and experimental evidence.
An Empirical Exploration of Mass Interaction System Dynamics: Individual Information Overload and Usenet Discourse.
Proceedings of the 35th Hawaii International Conference on System Sciences (HICSS-35 2002), 2002
Information Overload and Virtual Public Discourse Boundaries.
Proceedings of the Human-Computer Interaction INTERACT '01: IFIP TC13 International Conference on Human-Computer Interaction, 2001
Empirical evidence for information overload in mass interaction.
Proceedings of the CHI '01 Extended Abstracts on Human Factors in Computing Systems, 2001
Time to Split, Virtually: 'Discourse Architecture' and 'Community Building' Create Vibrant Virtual Publics.
Electronic Markets, 2000
What Do Virtual "Tells" Tell? Placing Cybersociety Research into a Hierarchy of Social Explanation.
Proceedings of the 33rd Annual Hawaii International Conference on System Sciences (HICSS-33), 2000
User population and user contributions to virtual publics: a systems model.
Proceedings of GROUP'99, 1999
J. Computer-Mediated Communication, 1997
"Who Owns Information? From Privacy to Public Access, by Ann Wells Branscomb.
Inf. Soc., 1996
Panel: Academia influencing the National IT Policy: IS research and education in Israel.
Proceedings of the Fourth European Conference on Information Systems, 1996