Where available, we link to the ACM Digital Library as well as to local copies of our papers.
2008
F. Harper, D. Raban, S. Rafaeli, J. Konstan. "Predictors of Answer Quality in Online Q&A Sites." In Proceedings of CHI 2008. [PDF]
2007
D. Frankowski, S. Lam, S. Sen, F. Harper, S. Yilek, M. Cassano, J. Riedl. "Recommenders Everywhere: The WikiLens Community-Maintained Recommender System." In Proceedings of WikiSym 2007. [PDF] [ACL DL]
D. Cosley, D. Frankowski, L. Terveen, J. Riedl. "SuggestBot: Using Intelligent Task Routing to Help People Find Work in Wikipedia." In Proceedings of IUI 2007. [ACM DL]
N. Good, J. Grossklags, D. Mulligan, and J.A. Konstan. "Noticing Notice: A large-scale experiment on the timing of software license agreements." In Proceedings of CHI 2007.
F. Harper, D. Frankowski, S. Drenner, Y. Ren, S. Kiesler, L. Terveen, R. Kraut, J. Riedl. "Talk Amongst Yourselves: Inviting Users to Participate in Online Conversations." In Proceedings of IUI 2007. [ACM DL]
F. Harper, S. Sen, D. Frankowski. Supporting Social Recommendations with Activity-Balanced Clustering. In Proceedings of Recommender Systems 2007. [ACM DL]
F. Harper, X. Li, Y. Chen, J. Konstan (2007). Social Comparisons to Motivate Contributions to an Online Community. To appear in Proceedings of The Second International Conference on Persuasive Technology. [PDF]
Al Mamunur Rashid, Shyong K. Lam, Adam LaPitz, George Karypis, and John Riedl. Towards a Scalable kNN CF Algorithm: Exploring Effective Applications of Clustering. LNAI vol 4811/2007: Advances in Web Mining and Web Usage Analysis, pages 147-166, Springer. [PDF]
Nishikant Kapoor, John T Butler, Gary C Fouty, James A Stemper, Joseph A Konstan. "A Study of Citations in Users' Online Personal Collections" In Proceedings of the ACM 2007 European Conference on Digital Libraries (ECDL 2007). [PDF]
Nishikant Kapoor, John T Butler, Gary C Fouty, James A Stemper, Joseph A Konstan. "Resolvability of References in Users’ Personal Collections" In Proceedings of the Sixth International Conference on Conceptions of Library and Information Sciences (CoLIS 2007). [IR] [PDF]
P. Ludford, R. Priedhorsky, K. Reily, L. Terveen. "Capturing, Sharing, and Using Local Information." In Proc. CHI 2007. [ACM DL]
Reid Priedhorsky, Jilin Chen, Shyong (Tony) K. Lam, Katherine Panciera, Loren Terveen, John Riedl. "Creating, Destroying, and Restoring Value in Wikipedia." To appear in Proc. GROUP 2007. [PDF]
Reid Priedhorsky, Benjamin Jordan, Loren Terveen. "How a Personalized Geowiki Can Help Bicyclists Share Information More Effectively." Short paper. To appear in Proc. WikiSym 2007. [PDF]
B.R.S. Rosser, M.H. Miner, W.O. Bockting, M.W. Ross, J.A. Konstan, L. Gurak, J. Stanton, A. Carballo-Dieguez, R. Mazin, E. Coleman. In press. HIV Risk: Results of the Men's INTernet Study (MINTS). AIDS & Behavior.
Shilad Sen, F. Maxwell Harper, Adam LaPitz, John Riedl. "The Quest for Quality Tags." To appear in Proc. GROUP 2007. [PDF]
J.D. Weisz, S. Kiesler, H. Zhang, Y. Ren, R.E. Kraut, and J.A. Konstan. "Watching Together: Integrating Text Chat with Video." In Proceedings of CHI 2007.
2006
W. Pequegnat, B.R.S. Rosser, A. Bowen, S.S. Bull, R.J. DiClemente, W.O. Bockting, J. Elford, M. Fishbein, L. Gurak, K. Horvath, J. Konstan, S. Noar, M.W. Ross, L. Sherr, D. Spiegel, R. Zimmerman. Internet-based HIV/STD Prevention Survey Lessons: Practical Challenges and Opportunities." AIDS & Behavior, published online October 2006, print forthcoming.
Shilad Sen, Shyong (Tony) K. Lam, Dan Cosley, Al Mamunur Rashid, Dan Frankowski, Franklin Harper, Jeremy Osterhouse, John Riedl. tagging, community, vocabulary, evolution. In Proceedings of CSCW 2006. [PDF]
Dan Frankowski, Dan Cosley, Shilad Sen, Loren Terveen, John Riedl. You Are What You Say: Privacy Risks of Public Mentions. In Proceedings of SIGIR 2006. [PDF] [Video]
Al Mamunur Rashid, Shyong (Tony) K. Lam, George Karypis, and John Riedl. ClustKNN: A Highly Scalable Hybrid Model- & Memory-Based CF Algorithm. To appear in WEBKDD 2006, August 20, 2006, Philadelphia, Pennsylvania, USA. [PDF]
B.P. Bailey and J.A. Konstan. "On the Need for Attention-Aware Systems: Measuring Effects of Interruption on Task Performance, Error Rate and Affective State." Journal of Computers in Human Behavior, 22, 4, July 2006, 685-708.
Cosley, D., Frankowski, D., Terveen, L., & Riedl, J. (2006). Using Intelligent Task Routing and Contribution Review to Help Communities Build Artifacts of Lasting Value. CHI 2006. [PDF]
Ludford, P. (2006). Sharing the Everyday Places I Go While Preserving Privacy. Extended Abstracts, 2006 ACM Conference on Human Factors in Computing Systems (CHI 2006), Montreal, Canada. [PDF]
Sara Drenner, Max Harper, Dan Frankowski, John Riedl, and Loren Terveen. Insert Movie Reference Here: A System to Bridge Conversation and Item-Oriented Web Sites. CHI, 2006. [ACM DL]
Al Mamunur Rashid, Kimberly Ling, Regina D Tassone, Paul Resnick, Robert Kraut, and John Riedl. Motivating Participation by Displaying the Value of Contribution . In ACM Conference on Human-Computer Interactions, CHI, 2006. [PDF]
Ludford, P., Frankowski, D., Reily, K., Wilms, K., Terveen, L. (2006). Because I Carry My Cell Phone Anyway: Functional Location-Based Reminder Applications. Proceedings, 2006 ACM Conference on Human Factors in Computing Systems (CHI 2006), Montreal, Canada. [PDF]
S.M. McNee, J. Riedl, and J.A. Konstan. "Being Accurate is Not Enough: How Accuracy Metrics have hurt Recommender Systems". In the Extended Abstracts of the 2006 ACM Conference on Human Factors in Computing Systems (CHI 2006), Montreal, Canada, April 2006. [PDF]
S.M. McNee, J. Riedl, and J.A. Konstan. "Making Recommendations Better: An Analytic Model for Human-Recommender Interaction". In the Extended Abstracts of the 2006 ACM Conference on Human Factors in Computing Systems (CHI 2006), Montreal, Canada, April 2006. [PDF]
N. Good, J. Grossklags, J.A. Konstan, D. Mulligan, A. Perzanowski, D. Thaw. "User Choices and Regret: Understanding Users' Decision Process bout Consensually Acquired Spyware." I/S: A Journal of Law and Policy for the Information Society 2, 2, 2006.
D. Johnson, D. Lilja, J. Riedl. Circulating shared-registers for multiprocessor systems. Journal of Systems Architecture. 52(3), pp. 152-168, March 2006.
S. K. Lam, D. Frankowski, J. Riedl. Do You Trust Your Recommendations? An Exploration Of Security and Privacy Issues in Recommender Systems. In Proceedings of the 2006 International Conference on Emerging Trends in Information and Communication Security (ETRICS), Freiburg, Germany, 2006. [PDF]
2005
Kapoor, N., Konstan, J. A., and Terveen, L. G. 2005. How peer photos influence member participation in online communities. In CHI '05 Extended Abstracts on Human Factors in Computing Systems (Portland, OR, USA, April 02 - 07, 2005). CHI '05. ACM Press, New York, NY, 1525-1528. [ACM DL] [PDF]
Cosley, D. (2005). Mining Social Theory to Build Member Maintained Communities. In Proceedings of KCVC 2005, Palo Alto, CA. [PDF]
Ling, K., Beenen, G., Ludford, P., Wang, X., Chang, K., Li, X., Cosley, D., Frankowski, D., Terveen, L., Rashid, A. M., Resnick, P., & Kraut, R. (2005). Using social psychology to motivate contributions to online communities. Journal of Computer-Mediated Communication, 10(4). [JCMC]
J.A. Konstan, N. Kapoor, S.M. McNee, and J.T. Butler. "TechLens: Exploring the Use of Recommenders to Support Users of Digital Libraries". A Project Briefing at the Coalition for Networked Information Fall 2005 Task Force Meeting, Phoenix, AZ, December 2005. [PDF]
F. Harper, X. Li, Y. Chen, J. Konstan. An Economic Model of User Rating in an Online Recommender System. In Proceedings of The 10th International Conference on User Modeling, Edinburgh, UK, 2005. [DOI] [PDF]
C-N Ziegler, S.M. McNee, J.A. Konstan, and G. Lausen. "Improving Recommendation Lists Through Topic Diversification." In Proceedings of the Fourteenth International World Wide Web Conference (WWW2005), May 2005, pp. 22-32. [ACM DL] [PDF]
Al Mamunur Rashid, George Karypis, and John Riedl. Influence in Ratings-Based Recommender Systems: An Algorithm-Independent Approach. SIAM International Conference on Data Mining, 2005. [PDF]
D. Cosley, D. Frankowski, S. Kiesler, L. Terveen, J. Riedl. How Oversight Improves Member-Maintained Communities. In Proceedings of CHI 2005, Portland, OR, 2005, pp. 11-20. [ACM DL] [PDF]
J. A. Konstan, B.R.S. Rosser, M.W. Ross, J. Stanton, and W.M. Edwards. The Story of Subject Naught: A Cautionary but Optimistic Tale of Internet Survey Research. Journal of Computer-Mediated Communication, 10(2), January 2005.
2004
J.B. Schafer, J.A. Konstan, and J. Riedl. The View Through MetaLens: Usage Patterns for Meta-Recommendation System." IEE Proceedings Software, Vol. 151, No. 6, December 2004, pp. 267-279.
M. Ross, B.R.S. Rosser, J. Stanton, and J. Konstan. Characteristics of Latino men who have sex with men on the Internet who complete and drop out of an Internet-based sexual behavior survey. AIDS Education and Prevention 16(6), December 2004, pp. 526-537.
C. Zhou, D. Frankowski, P. Ludford, S. Shekhar, L. Terveen. Discovering Personal Gazetteers: An Interactive Clustering Approach. In Proceedings of ACM GIS 2004, Washington DC, 2004, pp. 266-273. [ACM DL] [PDF]
G. Beenen, K. Ling, X. Wang, K. Chang, D. Frankowski, P. Resnick, R. Kraut. Using Social Psychology to Motivate Contributions to Online Communities. In Proceedings of ACM CSCW 2004 Conference on Computer Supported Cooperative Work, Chicago, IL, 2004, pp. 212-221. [ACM DL] [PDF]
B. Miller, J. Konstan, L. Terveen and J. Riedl. PocketLens: Towards a Personal Recommender System. ACM Transactions on Information Systems 22(3), July 2004, pp. 437-476. [ACM DL]
Lam, S.K. & Riedl, J. (2004) Shilling recommender systems for fun and profit. In Proceedings of the 13th international conference on World Wide Web (WWW2004), New York, NY, 2004, pp. 393-402. [ACM DL] [PDF]
Ludford, P.J., Cosley, D., Frankowski, D., & Terveen, L. (2004). Think Different: Increasing Online Community Participation Using Uniqueness and Group Dissimilarity. In Proceedings of CHI 2004, Vienna, Austria, pp. 631-638. [ACM DL] [PDF]
J. Herlocker, J. Konstan, L. Terveen and J. Riedl. Evaluating Collaborative Filtering Recommender Systems. ACM Transactions on Information Systems 22(1), pp. 5-53, January 2004. [ACM DL]
R. Torres, S.M. McNee, M. Abel, J.A. Konstan, and J. Riedl. Enhancing Digital Libraries with TechLens+. In Proceedings of The Fourth ACM/IEEE Joint Conference on Digital Libraries (JCDL 2004), June 2004, pp. 228-237. [ACM DL] [PDF]
2003
Lam, S.K., Pennock, D.M., Cosley, D., & Lawrence, S. (2003). 1 Billion Pages = 1 Million Dollars? Mining the Web to Play "Who Wants to be a Millionaire?". In Proceedings of the 19th Conference on Uncertainty in Artificial Intelligence (UAI2003), Acapulco, Mexico, pp. 337-345. [PDF]
Cosley, D., Ludford, P., & Terveen, L. (2003). Studying the Effect of Similarity in Online Task-Focused Interactions. In Proceedings of Group 2003 Conference (GROUP 2003), Sanibel Island, FL, pp. 321-329. [ACM DL] [PDF]
B. Miller, I. Albert, S.K. Lam, J. Konstan, and J. Riedl. MovieLens Unplugged: Experiences with a Recommender System on Four Mobile Devices, Proceedings of the 17th Annual Human-Computer Interaction Conference (HCI 2003), British HCI Group, September 2003.
B. Bailey and J. Konstan. Are Informal Tools Better? Comparing DEMAIS, Pencil and Paper, and Authorware for Early Multimedia Design. CHI Letters 5(1), CHI 2003, ACM Conference on Human Factors in Computing Systems. [ACM DL]
S.M. McNee, S.K. Lam, C. Guetzlaff, J.A. Konstan, and J. Riedl. Confidence Displays and Training in Recommender Systems. In Proceedings of INTERACT '03 IFIP TC13 International Conference on Human-Computer Interaction, September, 2003, pp. 176-183. [PDF]
S.M. McNee, S.K. Lam, J.A. Konstan, and J. Riedl. Interfaces for Eliciting New User Preferences in Recommender Systems. In Proceedings of The 9th International Conference on User Modeling (UM'2003), LNAI 2702, June 2003, pp. 178-188. [PDF]
Cosley, D., Lam, S.K., Albert, I., Konstan, J., & Riedl, J. (2003). Is Seeing Believing? How Recommender Systems Influence Users' Opinions. In Proceedings of CHI 2003 Conference on Human Factors in Computing Systems, Fort Lauderdale, FL, pp. 585-592. [ACM DL] [PDF]
Bradley N. Miller, Istvan Albert, Shyong (Tony) K. Lam, Joseph A. Konstan, John Riedl. (2003). MovieLens Unplugged: Experiences with an Occasionally Connected Recommender System. In Proceedings of ACM 2003 International Conference on Intelligent User Interfaces (IUI'03) (Accepted Poster), January 2003. [ACM DL] [PDF]
Amento, B., Terveen, L., Hill, W., Hix, D., and Schulman, R. Experiments in Social Data Mining: The TopicShop System, in ACM Transactions on Computer-Human Interaction, 10, 1 (March 2003), 54-85. [ACM DL] [PDF]
2002
Rashid, A.M., Albert, I., Cosley, D., Lam, S.K., McNee, S., Konstan, J.A., & Riedl, J. (2002). Getting to Know You: Learning New User Preferences in Recommender Systems. In Proceedings of the 2002 International Conference on Intelligent User Interfaces, San Francisco, CA, pp. 127-134. [ACM DL] [PDF]
McNee, S., Albert, I., Cosley, D., Gopalkrishnan, P., Lam, S.K., Rashid, A.M., Konstan, J.A., & Riedl, J. (2002). On the Recommending of Citations for Research Papers. In Proceedings of ACM 2002 Conference on Computer Supported Cooperative Work (CSCW2002), New Orleans, LA, pp. 116-125. [ACM DL] [PDF]
Cosley, D., Lawrence, S., & Pennock, D.M. (2002). REFEREE: an open framework for practical testing of recommender systems using ResearchIndex. In Proceedings of the 28th International Conference on Very Large Data Bases (VLDB 2002), Hong Kong, China, pp. 35-46. [PDF]
Terveen, L.G., McMackin, J., Amento, B., and Hill, W. Specifying Preferences Based On User History, in Proceedings of CHI 2002 (Minneapolis MN, April 2002), ACM Press, 315-322. [ACM DL] [PDF]
J.B. Schafer, J.A. Konstan, and J. Riedl. "Meta-recommendation Systems: User-controlled Integration of Diverse Recommendations." In Proceedings of the 11th International Conference on Information and Knowledge Management (CIKM 2002) , McLean, VA, November 2002, pp. 43-51. [ACM DL] [PDF]
B.M. Sarwar, G. Karypis, J. Konstan, and J. Riedl. "Recommender Systems for Large-Scale E-Commerce: Scalable Neighborhood Formation Using Clustering." Proceedings of the Fifth International Conference on Computer and Information Technology (ICCIT 2002), 2002. [PDF]
B.M. Sarwar, G. Karypis, J. Konstan, and J. Riedl. "Incremental SVD-Based Algorithms for Highly Scaleable Recommender Systems." Proceedings of the Fifth International Conference on Computer and Information Technology (ICCIT 2002), 2002. [PDF]
J. Herlocker, J. Konstan, and J. Riedl. Empirical Analysis of Design Choices in Neighborhood-based Collaborative Filtering Algorithms. Information Retrieval 5, pp. 287-310, 2002.
Goecks, J., & Cosley, D. (2002). NuggetMine: Intelligent Groupware for Opportunistically Sharing Information Nuggets. In Proceedings of the 2002 International Conference on Intelligent User Interfaces (IUI 2002), San Francisco, CA, pp. 106-113. [ACM DL] [PDF]
2001
J. Herlocker and J. Konstan "Content-Independent, Task-Focused Recommendations." IEEE Internet Computing, Vol. 5, November-December 2001, pp. 40-47.
Terveen, L.G and Hill, W. Human-Computer Collaboration in Recommender Systems, in Carroll, J. (ed.), HCI in the New Millennium (2001) , Addison Wesley. [PDF]
B. M. Sarwar, G. Karypis, J. A. Konstan, and J. Riedl. Item-based collaborative filtering recommendation algorithms. In Proceedings of the 10th International World Wide Web Conference (WWW10), Hong Kong, May 2001. [ACM DL] [PDF]
O'Connor, M., Cosley, D., Konstan, J. A., & Riedl, J. (2001). PolyLens: A Recommender System for Groups of Users. In Proceedings of ECSCW 2001, Bonn, Germany, pp. 199-218. [PDF]
J.B. Schafer, J. Konstan and J. Riedl. Electronic Commerce Recommender Systems. Data Mining and Knowledge Discovery, Kluwer Academic Publishers, January 2001. Also appears as a chapter in R. Kohavi and F. Provost (eds.) Applications of Data Mining to Electronic Commerce, Kluwer Academic Publishers, February 2001.
2000
Herlocker, J., Konstan, J., and Riedl, J., Explaining Collaborative Filtering Recommendations. In proceedings of ACM 2000 Conference on Computer Supported Cooperative Work , December 2-6, 2000, pp. 241-250. [ACM DL] [PDF]
Sarwar, B. M., Karypis, G., Konstan, J. A., and Riedl, J. "Analysis of Recommender Algorithms for E-Commerce". In proceedings of the ACM E-Commerce 2000 Conference. Oct. 17-20, 2000, pp. 158-167. [ACM DL] [PDF]
E.H. Chi, J. Riedl, E. Shoop, P. Barry. A novel visualization method for biological sequence similarity reports. Journal of Electronic Imaging: Special Issue on Visualization and Data Analysis. October 2000.
E.H. Chi, J. Riedl. Case Study: Resource steering in a visualization system. In Proceedings of VisSym00, 2000.
Sarwar, B. M., Karypis, G., Konstan, J. A., and Riedl, J. "Application of Dimensionality Reduction in Recommender System -- A Case Study". Full length paper at ACM WebKDD 2000 Web Mining for E-Commerce Workshop . [PDF]
Schafer, J.B., Konstan, J., and Riedl, J., Electronic Commerce Recommender Applications. Journal of Data Mining and Knowledge Discovery, vol. 5 nos. 1/2, pp. 115-152. [PDF Format] [Table 1, separately]
1999
Terveen, L.G., Hill, W.C., and Amento, B. Constructing, Organizing, and Visualizing Collections of Topically Related Web Resources, in ACM Transactions on Computer-Human Interaction, 6, 1 (Mar. 1999) , 67-94. [PDF]
Schafer, J.B., Konstan, J., and Riedl, J., Recommender Systems in E-Commerce. Proceedings of the ACM Conference on Electronic Commerce, November 3-5, 1999. [ACM DL] [PDF]
Good, N., Schafer, J.B., Konstan, J., Borchers, A., Sarwar, B., Herlocker, J., and Riedl, J., Combining Collaborative Filtering with Personal Agents for Better Recommendations. Proceedings of the 1999 Conference of the American Association of Artifical Intelligence (AAAI-99), pp 439-446. [PDF]
Herlocker, J., Konstan, J., Borchers, A., Riedl, J. An Algorithmic Framework for Performing Collaborative Filtering. In Proceedings of the 1999 Conference on Research and Development in Information Retrieval. Aug. 1999. [ACM DL] [PDF]
1998
A. Borchers, J. Herlocker, J. Konstan, and J. Riedl. "Ganging Up on Information Overload," column in IEEE Computer, April 1998, pp. 106-108. [IEEE Digital Library]
Sarwar, B., Konstan, J., Borchers, A., Herlocker, J., Miller, B., and Riedl, J. Using Filtering Agents to Improve Prediction Quality in the GroupLens Research Collaborative Filtering System. Proceedings of the 1998 Conference on Computer Supported Cooperative Work. Nov. 1998. [ACM DL] [PDF]
1997
Konstan, J., Miller, B., Maltz, D., Herlocker, J., Gordon, L., and Riedl, J. GroupLens: Applying Collaborative Filtering to Usenet News. Communications of the ACM 40,3 (1997), 77-87. [ACM DL]
Miller, B., Riedl, J., and Konstan, J. Experiences with GroupLens: Making Usenet useful again. Proceedings of the 1997 Usenix Winter Technical Conference. Jan 1997. [PDF]
1996
Hill, W.C. and Terveen, L.G Using Frequency-of-Mention in Public Conversations for Social Filtering, in Proceedings of CSCW 1996 (Boston MA, November 1996), ACM Press, 106-112. [PDF]
1995
Terveen, L.G., Selfridge, P.G., and Long, M.D. Living Design Memory: Framework, System, and Lessons Learned, in Human-Computer Interaction, 10, 1 (1995), 1-37.
1994
Resnick, P., Iacovou, N., Sushak, M., Bergstrom, P., and Riedl, J. GroupLens: An open architecture for collaborative filtering of netnews. Proceedings of the 1994 Computer Supported Collaborative Work Conference. (1994). [ACM DL]
Books and book chapters
J. Riedl and J. Konstan. Word of Mouse: The Marketing Power of Collaborative Filtering. New York: Warner Books, 2002. [In print]
J. Konstan and J. Riedl. "Collaborative Filtering: Supporting Social Navigation in Large, Crowded Infospaces." In Designing Information Spaces: The Social Navigation Approach edited by K. Höök, D. Benyon, and A.J. Munro. Springer Verlag, 2002. [In print]
J. Konstan and J. Riedl. "Recommender Systems for the Web." In Visualizing the Semantic Web, edited by V. Geroimenko and C. Chen. Springer Verlag, 2002. [In print]
Sarwar, B. M., Konstan, J. A., and Riedl, J. "Distributed Recommender Systems: New Opportunities for Internet Commerce". In the book "Internet Commerce and Software Agents: Cases, Technologies and Opportunities" Rahman, S., and Bignall, R. eds.
B. Miller, J. Riedl, and J. Konstan. "GroupLens for Usenet: Experiences in Applying Collaborative Filtering to a Social Information System" in C. Leug and D. Fisher (eds.) From Usenet to CoWebs: Interacting with Social Information Spaces. Springer-Verlag, 2002 (in press). [In print]
Other Reviewed Publications
B. Miller*, I. Albert, S. Lam*, J. Konstan, and J. Riedl (poster paper) "MovieLens Unplugged: Experiences with a Recommender Systems on Four Mobile Devices." Proceedings of the 2003 ACM Conference on Intelligent User Interfaces, Miami, FL, January 2003.