Sheizaf Rafaeli

According to our database1, Sheizaf Rafaeli
  • authored at least 53 papers between 1996 and 2017.
  • has a "Dijkstra number"2 of four.



In proceedings 
PhD thesis 




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.
JOLIS, 2014

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.
IJEBR, 2012

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.
IJKL, 2007

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.
JASIST, 2006

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.
IJSPM, 2005

Information sharing online: a research challenge.
IJKL, 2005

Social Recommender Systems: Recommendations in Support of E-Learning.
IJDET, 2005

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.
IJEB, 2003

Online auctions, messaging, communication and social facilitation: a simulation and experimental evidence.
EJIS, 2002

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

Networked Interactivity.
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