פרופ' עפר ארזי

• Context shapes disclosure: understanding self-presentation in augmented reality, Hadad, G., Maimon, A., Arazy, O. & Lanir, J., Dec 2026, In: Personal and Ubiquitous Computing. 30, 2, 3.
• Comparing Competing Approaches to Crowdsourced Classifications of Biological Species: Work in progress, Nagar, Y., Shaheen, W. & Arazy, O., 2025, Information Systems - 21st European, Mediterranean, and Middle Eastern Conference, EMCIS 2024, Proceedings. Themistocleous, M., Bakas, N., Kokosalakis, G. & Papadaki, M. (eds.). Springer Science and Business Media Deutschland GmbH, p. 249-259 11 p. (Lecture Notes in Business Information Processing; vol. 536 LNBIP).
• Perceived Benefits and Risks of Information Disclosure in Augmented Reality, Hadad, G., Maimon, A., Arazy, O. & Lanir, J., 2025, Proceedings - 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, VRW 2025. Institute of Electrical and Electronics Engineers Inc., p. 1378-1379 2 p. (Proceedings - 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops, VRW 2025).
• A local community on a global collective intelligence platform: A case study of individual preferences and collective bias in ecological citizen science, Arazy, O., Kaplan-Mintz, K., Malkinson, D. & Nagar, Y., 1 Aug 2024, In: PLOS ONE. 19, 8 August, e0308552.
• Too much information? The use of extraneous information to support decision-making in emergency settings, Ben-Assuli, O., Arazy, O., Kumar, N. & Shabtai, I., Dec 2023, In: Decision Sciences. 54, 6, p. 632-650 19 p.
• Choosing between human and algorithmic advisors: The role of responsibility sharing, Gazit, L., Arazy, O. & Hertz, U., Aug 2023, In: Computers in Human Behavior: Artificial Humans. 1, 2, p. 100009
• Knowledge sharing processes and the role of attachment patterns, McLarnon, M. J. W., R. Gellatly, I., A. Richards, D. & Arazy, O., 5 May 2023, In: Journal of Knowledge Management. 27, 5, p. 1343-1365 23 p.
• A game-theoretic analysis of Wikipedia's peer production: The interplay between community's governance and contributors' interactions, Anand, S., Arazy, O., Mandayam, N. & Nov, O., May 2023, In: PLOS ONE. 18, 5, e0281725.
• Multiple forms of engagement and motivation in ecological citizen science, Kaplan Mintz, K., Arazy, O. & Malkinson, D., 2023, In: Environmental Education Research. 29, 1, p. 27-44 18 p.
• Physicality As an Anchor for Coordination: Examining Collocated Collaboration in Physical and Mobile Augmented Reality Settings, Poretski, L. P., Lanir, J., Margalit, R. & Arazy, O., 18 Oct 2021, In: Proceedings of the ACM on Human-Computer Interaction. 5, CSCW2, 470.
• A Framework of Observer-Based Biases in Citizen Science Biodiversity Monitoring: Semi-Structuring Unstructured Biodiversity Monitoring Protocols, Arazy, O. & Malkinson, D., 19 Jul 2021, In: Frontiers in Ecology and Evolution. 9, 693602.
• Emergent Routines in Peer-Production: Examining the Temporal Evolution of Wikipedia's Work Sequences., Arazy, O., Lindberg, A., Lev, S., Wu, K. & Yarovoy, A., 2020, In: ACM Transactions on Social Computing. 3, 1, p. 1-24 24 p.
• Assessing the Contribution of Subject-matter Experts to Wikipedia, Yarovoy, A., Nagar, Y., Minkov, E. & Arazy, O., 2020, In: ACM Transactions on Social Computing. 3, 4, p. 1-36 36 p.
• Virtual Objects in physical World: Relatedness and Psychological Ownership in Augmented Reality, Poretski, L., Arazy, O., Lanir, J., Shachar, S. & Nov, O., 2019.
• The effects of co-creation and word-of-mouth on content consumption - Findings from the video game industry, Poretski, L., Zalmanson, L. & Arazy, O., 2019, 40th International Conference on Information Systems, ICIS 2019. Association for Information Systems, (40th International Conference on Information Systems, ICIS 2019).
• What's in a Stream? Understanding Video Gamers' Perceptions regarding Streaming and its Legitimacy, Poretski, L., Zalmanson, L., Nativ Hadar, K. & Arazy, O., 2019, Proceedings of the SIG-HCI 2019 Workshop (Pre-ICIS2019). 6 p.
• Perception of Social Norms Violation in Shared Augmented Reality, Poretski, L., Lanir, J. & Arazy, O., 2018.
• Who Owns that Virtual Object? Psychological Ownership in Shared Augmented Reality, Poretski, L., Lanir, J. & Arazy, O., 2018.
• On the "how" and "why" of emergent role behaviors in Wikipedia, Arazy, O., Lifshitz-Assaf, H., Nov, O., Daxenberger, J., Balestra, M. & Cheshire, C., 25 Feb 2017, CSCW 2017 - Proceedings of the 2017 ACM Conference on Computer Supported Cooperative Work and Social Computing. Association for Computing Machinery, p. 2039-2051 13 p. (Proceedings of the ACM Conference on Computer Supported Cooperative Work, CSCW; vol. 0).
• Article when wiki technology meets corporate knowledge management routines: A sociomateriality perspective, Brainin, E. & Arazy, O., Sep 2016, In: Informatics. 3, 3, 12.
• The Role of Emotions Inherent in the Images in The Image Retrieval Process, Poretski, L., Lanir, J. & Arazy, O., 2016.
• Turbulent stability of emergent roles: The dualistic nature of self-organizing knowledge coproduction, Arazy, O., Daxenberger, J., Lifshitz-Assaf, H., Nov, O. & Gurevych, I., 2016, In: Information Systems Research. 27, 4, p. 792-812 21 p.
• Asymmetric recommendations: The interacting effects of social ratings' direction and strength on users' ratings, Nov, O. & Arazy, O., 16 Sep 2015, RecSys 2015 - Proceedings of the 9th ACM Conference on Recommender Systems. Association for Computing Machinery, p. 249-252 4 p.
• Functional roles and career paths in wikipedia, Arazy, O., Ortega, F., Nov, O., Yeo, L. & Balila, A., 28 Feb 2015, CSCW 2015 - Proceedings of the 2015 ACM International Conference on Computer-Supported Cooperative Work and Social Computing. Association for Computing Machinery, p. 1092-1105 14 p. (CSCW 2015 - Proceedings of the 2015 ACM International Conference on Computer-Supported Cooperative Work and Social Computing).
• Personalityzation: UI Personalization, Theoretical Grounding in HCI and Design Research, Arazy, O., Nov, O. & Kumar, N., 2015, In: AIS Transactions on Human-Computer Interaction. 7, 2, p. 43-69 27 p.
• Influence of emotions inflicted by images on the image seeking process., Poretski, L., Lanir, J. & Arazy, O., 2015, The 9th ILAIS conference – the Israeli chapter of the association for information systems. p. 46-48
• The use of information systems in emergency departments: The effect of task complexity, Ben-Assuli, O., Arazy, O., Shabtai, I., Kumar, N. & Leshno, M., 2015.
• coDNA: A Visualization Tool for analysis of Peer Production Processes, Arazy, O., Balila, A., Brausen, H., Stroulia, E., Turner, D. & Lanir, J., 2015.
• Scientists@Home: What drives the quantity and quality of online citizen science participation?, Nov, O., Arazy, O. & Anderson, D., 1 Apr 2014, In: PLOS ONE. 9, 4, e90375.
• Motivation-Targeted Personalized UI Design: A Novel Approach to Enhancing Citizen Science Participation, Nov, O., Arazy, O., Lotts, K. & Naberhaus, T., 2013, ECSCW 2013: Proceedings of the 13th European Conference on Computer Supported Cooperative Work. Bertelsen, O. W., Ciolfi, L., Grasso, M. A. & Papadopoulos, G. A. (eds.). London: Springer London, p. 287-297 11 p.
• From Crud to Cream: Imagining a Rich Scholarly Repository Interface, Brown, S., Arazy, O., Rockwell, G., Moroz, A., Sellmer, M., Ruecker, S. & Radzikowska, M., 2013, In: Scholarly and Research Communication. 3, 4
• Building location-based mass collaboration systems: Challenges and opportunities, Croitoru, A. & Arazy, O., 2012, Lecture Notes in Geoinformation and Cartography. Bocher, E. & Neteler, M. (eds.). Springer Science and Business Media Deutschland GmbH, p. 175-189 15 p. (Lecture Notes in Geoinformation and Cartography; vol. 0).
• Mapping the Information Science Domain, Arazy, O., Ruecker, S., Rodriguez-Arenas, O., Giacometti, A., Zhang, L. & Chun, S., 2012, 7th Annual International Conference of the Alliance of Digital Humanities Organizations, DH 2012, Hamburg, Germany, July 16-22, 2012, Conference Abstracts. Meister, J. C. (ed.). Hamburg University Press, p. 88-90 3 p.
• Technology-Mediated Citizen Science Participation: A Motivational Model, Nov, O., Arazy, O. & Anderson, D., 17 Jul 2011, Proceedings of the 5th International AAAI Conference on Weblogs and Social Media, ICWSM 2011. 1 ed. AAAI Press, p. 249-256 8 p. (Proceedings of the 5th International AAAI Conference on Weblogs and Social Media, ICWSM 2011; vol. 5, no. 1).
• Dusting for science: Motivation and participation of digital citizen science volunteers, Nov, O., Arazy, O. & Anderson, D., 2011, Proceedings of the 2011 iConference: Inspiration, Integrity, and Intrepidity, iConference 2011. p. 68-74 7 p. (ACM International Conference Proceeding Series).
• ‘Crowding Out’ in Corporate Wikis: the Effects of Job Responsibility and Motivation on Participation, Jang, S., Arazy, O., Nov, O. & Brainin, E., 2011, Proceedings of the 6th Mediterranean Conference on Information Systems (MCIS’2011).
• From Crud to Cream: Imagining a Rich Scholarly Repository Interface, Brown, S., Arazy, O., Rockwell, G., Moroz, A., Sellmer, M., Ruecker, S. & Radzikowska, M., 2011, Research Foundations for Understanding Books and Reading in a Digital Age: Text and Beyond. 4 p.
• A Utility for Estimating the Relative Contributions of Wiki Authors, Arazy, O. & Stroulia, E., 20 May 2009, Proceedings of the 3rd International Conference on Weblogs and Social Media (ICWSM’09). AAAI Press, p. 171-174 4 p. (Proceedings of the 3rd International AAAI Conference on Weblogs and Social Media, ICWSM 2009).
• The life cycle of corporate wikis:An analysis of activity patterns, Arazy, O., Croitoru, A. & Jang, S., 2009, p. 163-168. 6 p.
• Opinion Leadership: Non-work-related advice in a work setting, Raghupathi, V., Arazy, O., Kumar, N. & Shapira, B., 2009, In: Journal of Electronic Commerce Research. 10, 4, p. 220-234 15 p.
• Artificial Semantics in Text Retrieval, Arazy, O., 2008, Saarbrucken: VDM Verlag Dr. Muller. 247 p.
• The Antecedents of Opinion Leadership Indicators in Social Networks, Raghupathi, V., Arazy, O., Kumar, N. & Shapira, B., 2007, Proceedings of the 6th Workshop on e-Business (WeB). 9 p.
• WikiGIS: An integrated wrapper for location based mass collaboration, Arazy, O. & Croitoru, A., 2007, p. 226-227. 2 p.
• Introducing location-based mass collaboration systems, Croitoru, A. & Arazy, O., 2007, p. 37-42. 6 p.
• The effects of wikis characteristics on performance quality: The role of user motivations, Patterson, R., Gellatly, I., Arazy, O. & Jang, S., 2007, p. 43-48. 6 p.
• Does Reputation Matter for Open Content Systems?, Arazy, O., Ji, Y. & Patterson, R., 1 Oct 2006, Proceeding of the 1st Design Science Research in Information Systems and Technology conference (DESRIST). 20 p.
• Wisdom of the crowds: Decentralized knowledge construction in Wikipedia, Arazy, O., Morgan, W. & Patterson, R. A., 2006, p. 79-84. 6 p.
• Social Recommendations Systems: Leveraging the Power of Social Networks in Generating Recommendations, Arazy, O., Kumar, N. & Shapira, B., 2006, Proceeding of the 1st Design Science Research in Information Systems and Technology conference (DESRIST). 20 p.
• Designing Social Filtering Systems by Embedding Explicit Receiver-Source Relationships, Arazy, O., Kumar, N. & Shapira, B., 2006, Proceeding of the Trust workshop in CHI’06. 4 p.
• Information Access from General Collections: Enhancing the Cluster-Based Retrieval Model, Arazy, O. & Woo, C., 2003, Proceeding of the 13th Workshop on Information Technologies & Systems (WITS’03). 6 p.

Best Information Systems Publication of the Year Award (2010)