Academic Publications:

  • Rafaeli, S., Leck, E. Albo, Y. Oppenheim, Y., Getz, D. (2018) An Innovative Approach for Measuring the Digital Divide in Israel: Digital Trace Data as Means for Formulating Policy Guidelines, SNI, Samuel Neaman Institute, July 2018, Technion.
  • Rafaeli, S., & Rechavi, A. (2018) Active players in a network tell the story: Parsimony in modeling huge networks.
  • Rafaeli, Sheizaf, Yoram Kalman, and Carmel Kent. (2018) "Introduction to the Minitrack on Mediated Conversation." .HICSS Hawaii Rafaeli, Sheizaf, Yoram Kalman, and Carmel Kent. "Introduction to the Minitrack on Mediated Conversation."
  • Richter, Ganit, Daphne R. Raban, and Sheizaf Rafaeli. (2018) "Tailoring a Points Scoring Mechanism for Crowd-Based Knowledge Pooling." HICSS, Hawaii International Conference on Systems Science, Hawaii, Big Island.
  • Albo, Y., Lanir, J., & Rafaeli, S. (2017) A Conceptual Framework for Visualizing Composite Indicators. Social Indicators Research, pp. 1-30.
  • Bornfeld, B., & Rafaeli, S. (2017). Gamifying with badges: A big data natural experiment on Stack Exchange. First Monday, 22(6). Rafaeli, S., Kalman, Y., & Kent, C. (2017, January). Introduction to Persistent Conversation Minitrack. In Proceedings of the 50th Hawaii International Conference on System Sciences .
  • Rosenbaun, L., Rafaeli, S., & Kurzon, D. (2016). Participation frameworks in multiparty video chats cross-modal exchanges in public Google Hangouts. Journal of Pragmatics, 94, 29-46.
  • Albo, Y.; Lanir, J.; Bak, P.; Rafaeli, S., (2016) "Off the Radar: Comparative Evaluation of Radial Visualization Solutions for Composite Indicators," in Visualization and Computer Graphics, IEEE Transactions on , vol.22, no.1, pp.569-578
  • Levy, E. C., Rafaeli, S., & Ariel, Y. (2016). The effect of online interruptions on the quality of cognitive performance. Telematics and Informatics, 33(4), 1014-1021.
  • Albo, Y., Lanir, J., Bak, P., & Rafaeli, S. (2016, June). Static vs. Dynamic Time Mapping in Radial Composite Indicator Visualization. In Proceedings of the International Working Conference on Advanced Visual Interfaces (pp. 264-271). ACM.
  • Rosenbaun, L., Rafaeli, S., & Kurzon, D. (2016). Blurring the boundaries between domestic and digital spheres. Pragmatics. Quarterly Publication of the International Pragmatics Association (IPrA), 26(2), 291-304.
  • Rafaeli, S.; Kent, C., (2015) "Network-structured discussions for collaborative concept mapping and peer learning," in IBM Journal of Research and Development, vol.59, no.6, pp.7:1-7:13, Nov.-Dec. 2015
  • Sheizaf Rafaeli (2015) "The Moving Goalposts", pp. 342-344 in What to Think About Machines That Think John Brockman, Editor, Harper, NY.
  • Sheizaf Rafaeli (2015) "What is Strange? Disciplinary Boundaries", Odyssey, Vol. 29, October 2015
  • Sheizaf Rafaeli (2015) "Why Not Dare Brevity in Research?", Odyssey, Vol. 28, January 2015
  • Yael Albo, Joel Lanir, Peter Bak, and Sheizaf Rafaeli (2015)
    Off the Radar: Comparative Evaluation of Radial Visualization Solutions for Composite Indicators, VIS 2015 (VIS, INFOVIS, SCIVIS) Chicago, Illinois USA 2015
  • Essa-Hadad, J., Linn, S., & Rafaeli, S. (2015). A Web-Based Program to Increase Knowledge and Reduce Cigarette and Nargila Smoking Among Arab University Students in Israel: Mixed-Methods Study to Test Acceptability. Journal of Medical Internet Research, 17(2), e39.
  • Albo, Y., Lanir, Y, Bak, P. and Rafaeli S. (2015) Composite Indicators Visualization: Exploration of Multivariate Temporal Changes using Radial Visualization, IsraHCI, Tel Aviv, February 2015.
  • Kali, Y., Tabak, I., Ben-Zvi, D., Kidron, A., Amzaleg, M., Baram-Tsabari, A., Barzilai, S., Brami, U., Duek, O., Elias, N., Kent, C., Laslo, E., Levy, K.S., Rafaeli, S., Tal, T., Weiss, P.L., Hoadley, C., Kirschner, P. (2015). Technology-enhanced learning communities on a continuum between ambient to designed: What can we learn by synthesizing multiple research perspectives? Proceedings of the Computer Supported Collaborative Learning (CSCL) conference, Gothenburg 2015
  • Richter, Ganit, Daphne R. Raban, and Sheizaf Rafaeli. (2015) "Studying Gamification: The Effect of Rewards and Incentives on Motivation." in T. Reiners, L.C. Wood (eds.) T. Reiners, L.C. Wood (eds.) Gamification in Education and Business. Springer International Publishing, 2015. 21-46.
  • Sheizaf Rafaeli (2014) "From Whom Would I Want to Learn",
    , 21, July 2014
  • Sheizaf Rafaeli (2014) "Why Not?",
    , 19, January 2014
  • Kent, Carmel, and Sheizaf Rafaeli. "SYSTEM AND METHOD FOR DISPLAYING, CONNECTING AND ANALYZING DATA IN AN ONLINE COLLABORATIVE WEBPAGE." U.S. Patent 20,140,344,213, issued November 20, 2014.
  • Rechavi, A. & Rafaeli, S. (2014). Active players in a network tell the story: Parsimony in modeling huge networks. First Monday, 19(8)
  • Benny Bornfeld, Sheizaf Rafaeli and Daphne Ruth Raban. (2014) Electronic Word-of-Mouth Spread in Twitter as a Function of Message Sentiment. Think Mind: SOTICS 2014 - Nice, France, October 2014 . pp 6 - 15. (Winner, Best Paper Award) and here.
  • Yael Albo, Joel Lanir, Peter Bak and Sheizaf Rafaeli (2014). Composite Indicators Visualization: Exploration of Multivariate Temporal Changes using Radial Visualization (ויזואליזציה של אינדקס מחושב: תחקור שינויים תלויי זמן מרובי-משתנים באמצעות ויזואליזציות רדיאליות). H. Carr, P. Rheingans, and H. Schumann (Guest Editors), EuroViz Eurographics Conference on Visualization (EuroVis) (2014)
  • Avitay, S., Ariel, Y., & Rafaeli, S. (2014). "Prominent on online knowledge communities." The 16th International Conference of General Online Research, Cologne University of Applied Sciences. Cologne, Germany. March 5-7, 2014.
  • Gilad Ravid, Judit Bar-Ilan, Shifra Baruchson-Arbib, Eti Yaari, Noa Aharoni, Sheizaf Rafaeli, Nirit Weiss (2014) Journal of Librarianship and Information Science (JoLIS) 46(1), 21-31
  • Ganit Richter, Daphne Raban and Sheizaf Rafaeli (2014). Using Common Gamification Elements to Enhance Knowledge Sharing: The effect of Score Keeping Function on Player Performance, israHCI 2014
  • Malberger, O. M., Rafaeli, S., Waisman, D., Bader, D., & Drugan, A. (2013). Media selection for the announcement of childbirth-The social capital aspect. In The Third International Conference on Digital Information and Communication Technology and its Applications (DICTAP2013)(pp. 12-23). The Society of Digital Information and Wireless Communication.
  • Kalman, Y.M., Raban, D.R., Rafaeli, S. (2013). Netified: social cognition in crowds and clouds. In Y. Amichai-Hamburger (Ed.), The Social Net: Human Behavior in Cyberspace, 2nd edition. Oxford, England: Oxford University Press.
  • Levy, E.C., Rafaeli, S., & Ariel, Y. (2013). 'The Effect of Chat as Continuing Interruption on Cognitive Performance.' The 15th International Conference of General Online Research (GOR), March 4-6, 2013, Cooperative State University Mannheim, Germany poster
  • Levy, E.C., Ariel, Y., & Rafaeli, S. (2013). 'Digital gaps in smartphone usability in Israel.' The 44th Annual Conference of the Israel Sociological Society, February 18-19, 2013, Ruppin Academic Center, Hefer Valley
  • Levy, E.C., Rafaeli, S., & Ariel, Y. (2013). 'Chat as a "continuing Interruption" to Cognitive Task.' Chais Conference 2013: The Research Center for Innovation in Learning Technologies 2013, poster" February 19-20, 2013, The Open University, Raanana
  • Rechavi, A. and Rafaeli, S. (2012) Knowledge and Social Networks in Yahoo Answers, Proceedings of the 45th HICSS Annual Conference, pp. 781-790
  • Andreev, P., Pliskin, N., and Rafaeli, S. (2012). "Drivers and Inhibitors of Mobile-Payment Adoption by Smartphone Users", the International Journal of E-Business Research (IJEBR),.8 (3), 50-67.
  • Sharon Finzi, Jenny Bronstein, Judit Bar-Ilan, Shifra Baruchson-Arbib, Sheizaf Rafaeli, Gilad Ravid,(2012),"Volunteers acting as information providers to citizens", Aslib Proceedings, 64 (3), 289 – 303.
  • Levy, E.C., Rafaeli, S., & Ariel, Y. (2012). 'Online Interruption Effect on Cognitive Performance.' The 14th International Conference of General Online Research (GOR), March 5-7, 2012, Cooperative State University Mannheim, Germany
  • Ariel, Y., Levy, E.C., & Rafaeli, S. (2012). 'Mobile phone users behavior: The Israeli Case.' The 14th International Conference of General Online Research (GOR), March 5-7, 2012, Cooperative State University Mannheim, Germany
  • 4. Rechavi, A. and Rafaeli, S. (2011) Not All Is Gold That Glitters: Response Time and Satisfaction Rates in Yahoo! Answers, IEEE Second Annual Social Computing Proceedings, SocialComp/Passat, MIT Media Lab, pp. 904-909
  • Rafaeli, S. (2011) Multitasking, Odyssea Issue 10, January 2011, p. 64-73 (scanned)
  • Kalman, Y.M. and Rafaeli, S. (2011) Online Pauses and Silence: Chronemic Expectancy Violations in Written Computer-Mediated Communication, Communication Research, 38(1) 54–69
  • Geifman, D., Raban, R.D. and Rafaeli, S. (2011) P–MART: Towards a classification of online prediction markets, First Monday, Volume 16, Number 7 - 4 July 2011
  • Levy, E. C., Rafaeli, S., & Ariel, Y. (2011). "Effect of richness of interruption messages on the quality of cognitive performance" Presented at the 15th Annual Conference of the Israel Communication Association, University of Haifa, Haifa
  • Rafaeli, S., Ariel, Y., Katsman, M. (2010). Youth Online: online shopping usage patterns. Administration for Research and Economy, Ministry of Industry, Trade and Labor, Israel
  • Rafaeli, S. (2010), Management Studies and Business Degrees, Status Issue 232, pp. 20-26
  • Rafaeli, S. and Segev, L. (2010) Hinuch dot Com: Mischakim Retziniyim (Serious Games), Hed Hahinuch December 2010, pp. 90-93
  • Rafaeli S. (2010) Book Review of Tal Samuel-Azran and Dan Caspi's New media and Innovative Technologies, Edited by Tal Samuel-Azran & Dan Caspi, Beer Sheva: Ben Gurion University Press.
  • Avidar, R., & Rafaeli, S. (2010). Computer mediated charity: Israeli nonprofit use of Web 1.0 and Web 2.0 online dialogic elements. The Journal of Global Management Research (
  • Rafaeli, S. (2003, 2009) Computing Ethics, talk and book chapter. text scan, : in Assa Kasher (Ed.) "Mevo'ot HeEtika", Magnes, Jerusalem, 2009 pp. 61.-86
  • Rafaeli, S., Hayat, T. and Ariel Y. (2009) Knowledge Building and Motivations in Wikipedia: Participation as "Ba". In Francisco J. Ricardo (ed.) Cyberculture and New Media, (pp. 52-69), Amsterdam, New York, Rodopi *.
  • Nov, O. and Rafaeli, S. (2009) Measuring the premium on common knowledge in computer-mediated coordination problems, Computers in Human Behavior 25 (2009) pp. 171?174. *
  • Ganayem, A.N., Rafaeli, S. and Azaiza, F (2009) Digital Gap: Internet Use in the Arab Society in Israel. (Hebrew) Megamot.46(1-2_ pp. 164-196 *
  • Rafaeli, S., & Ariel, Y. (2008). Online motivational factors: Incentives for participation and contribution in Wikipedia. In A. Barak (Ed.), Psychological aspects of cyberspace: Theory, research, applications (pp. 243-267). Cambridge, UK: Cambridge University Press. Available online as The support site for the book is here:
  • Rafaeli, S. Hayat, T. and Ariel, Y. (2008) Virtual Knowledge-Building Communities, in Putnik, G.D. and Cunha, M.M. Encyclopedia of Networked and Virtual Organizations, New York: Information Science Reference, Volume 3, pp. 1792-1796.
  • Ravid, G., Kalman, Y.M., Rafaeli, S. (2008). Wikibooks in Higher Education: Empowerment through Online Distributed Collaboration. Computers in Human Behavior (24), pp. 1913-1928.
  • Harper, M. F., Raban, D. R., Konstan, J. K. and Rafaeli, S. (2008). Predictors of Answer Quality in Online Q&A sites. CHI 2008, Florence, Italy. PDF
  • Barak, M. and Rafaeli, S. (2008) QSIA Online Knowledge Sharing System: Shared Development and Peer Evaluation", (Hebrew) Al-Hagova, Issue 7, pp. 25-29.
  • Kalman, Y. and Rafaeli, S. (2008) Chronemic Nonverbal Expectancy Violations in Written Computer Mediated Communication, paper presented to the International Communication Association Annual Conference, May 2008, Montreal CA. proofs here
  • Rafaeli, S., Raban, D.R. and Ravid, G. (2007) "Social And Economic Incentives in Google Answers" in K. Sangeetha and P. Sivarajadhanavel (Eds.) Google's Growth, A Success Story ICFAI University Press, pp. 150-161 pdf available here
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  • Rafaeli, S. and Korner, G. (2005) UnWire Jerusalem: An Empirical Report From the Public, Free, WiFi Field, Proceedings of the Hong Kong Mobility Roundtable: Mobile Communications in the Knowledge Society, Hong Kong University of Science and Technology, pp. 345-361.
  • Rafaeli, S. and Raban, D.R. (2005) ?Information sharing online: a research challenge?, Int. Journal of Knowledge and Learning (IJKL), Vol. 1, Nos. 1/2, pp.62?79. (proofs, On InderScience's site, and here)
  • Noy, A. and Rafaeli, S. (2005) ?Simulating internet auctions online: effects of learning and experience?, Int. J. Simulation & Process Modelling, Vol. 1, Nos. 3/4, pp.161?170.
  • Rafaeli, S. (2004) Constructs in the Storm, in Internet Research Annual, Volume 1, Edited by M. Consalvo, N. Baym, J. Hunsinger, K.B. Jensen, J. Logie, M. Murero, L.R. Shade, Digital Formations, Volume 19, Peter Lang Publishers. p. 55-65
  • S. Rafaeli, Y. Dan-Gur and M. Barak (2005) Finding friends among recommenders: Social and "Black-Box" recommender systems", International Journal of Distance Education Technologies (IJDET), Special Issue on Knowledge Management Technologies for E-learning: Exploiting Kowledge Flows and Knowledge Networks for Learning. April-June 2005, Vol. 3 No. 2, pp. 30-48. ( proofs )
  • Kalman, Y.M. and Rafaeli, S. (2005) Email Chronemics: Unobtrusive Profiling of Response Times, Proceedings of the 38th International Conference on System Sciences, HICSS 38. pp. Ralph H. Sprague, (Ed.), p. 108.
  • Rafaeli, S. (2003) Computing Ethics, talk and book chapter
  • Rafaeli, S.   Raban, D.R. (2003) The Subjective Value of Information : Trading expertise vs. content, copies vs. originals in E-Business, Proceedings of the The Third International Conference on Electronic Business (ICEB 2003), Singapore. Full paper, short version
  • Jones, G. Ravid, G. and Rafaeli S. (2004) Information Overload and the Message Dynamics of Online Interaction Spaces: A Theoretical Model and Empirical Exploration, Information Systems Research Vol. 15 Issue 2, June 2004, pp. 194-210.
  • Ravid, G. and Rafaeli, S. (2004) Asynchronous discussion groups as Small World and Scale Free Networks First Monday, Volume 9, number 9 (September 2004), URL: Also: Ravid, G. and Rafaeli, S. (2004), paper presented at the January 2004 annual Moach (Mind) Conference on Computers and Education, Israel.
  • Rafaeli, S., Ravid, G.,   Soroka, V. (2004) De-lurking in virtual communities: a social communication network approach to measuring the effects of social and cultural capital, Proceedings of the 2004 Hawaii International Conference on System Sciences (HICSS 37) Collaboration Systems and Technology Track. Copyright 2004 IEEE. Published in the Proceedings of the Hawai'i International Conference on System Sciences, January 5 ? 8, 2004, Big Island, Hawaii.
  • Rafaeli, S., Barak, M., Dan-Gur, Y. and Toch, E. (2004) QSIA - A Web-based environment for learning, assessing and knowledge sharing in communities, Computers and Education Volume 43 Issue 3 pp. 273-289. Available online from ScienceDirect here: ( * )
  • Barak, M.   Rafaeli, S. (2004) Online Question-Posing and Peer-Assessment as Means for Web-based Knowledge Sharing in Learning, International Journal of Human-Computer Studies Vol 61, issue 1 pp 84-103 *, (July 2004), available on ScienceDirect, here
  • Rafaeli, S.   Raban D.R. (2003) Experimental Investigation of the Subjective Value of Information in Trading, Journal of the Association for Information Systems (JAIS), Vol. 4:5 pp. 119-139 [available online and here ]
  • Rafaeli, S.   Ravid, G. (2003) Information sharing as enabler for the virtual team: an experimental approach to assessing the role of electronic mail in disintermediation. In Information Systems Journal, Vol. 13, pp. 191-206. (proofs)
  • Gordon,M., Fan,W ., Rafaeli,S.,Wu,H.and Farag,N .(2003) ?The architecture of commKnowledge:combining link structure and user actions to support an online community', International Journal of Electronic Business ,Vol.1, No.1, pp.69-82. *
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Mass Media Interviews