Bamshad Mobasher

Selected Publications in Chronological Order

Note: Not all publications are listed on this page. For publications that are not available online, please contact me directly for a hard copy or pre-print.

2009

A Recommender System for Requirements Elicitation in Large-Scale Software Projects. Carlos Castro-Herrera, Chuan Duan, Jane Cleland-Huang, Bamshad Mobasher. Proceedings of the 24th Annual ACM Symposium on Applied Computing, Data Mining track, Honolulu, HI, March, 2009.

2008

Personalized Recommendation in Collaborative Tagging Systems Using Hierarchical Clustering. A. Shepitsen, J. Gemmell, B. Mobasher, R. Burke. Proceedings of the 2nd ACM International Conference on Recommender Systems (RecSys'08), Lausanne, Switzerland, October 2008. [PDF]

A Consensus Based Approach to Constrained Clustering of Software Requirements. Chuan Duan, Jane Cleland-Huang, Bamshad Mobasher. Proceedings of the 17th ACM Conference on Information and Knowledge Management (CIKM'08) , Napa, CA, USA, October 2008. [PDF]

Personalizing Navigation in Folksonomies Using Hierarchical Tag Clustering. J. Gemmell, A. Shepitsen, B. Mobasher, R. Burke. Proceedings of the 10th International Conference on Data Warehousing and Knowledge Discovery (DaWaK'08), Turin, Italy, September, 2008. Lecture Notes in Computer Science 5182, pp. 196-205, Springer 2008. [PDF]

Using Data Mining and Recommender Systems to Facilitate Large-Scale, Open, and Inclusive Requirements Elicitation Processes. Carlos Castro-Herrera, Chuan Duan, Jane Cleland-Huang, Bamshad Mobasher. Short paper, IEEE Requirements Engineering Conference (RE'08), Barcelona, Spain, September 2008. [PDF]

Exploring the Impact of Profile Injection Attacks in Social Tagging Systems. M. Ramezani, J.J. Sandvig, R. Bhaumik, T. Schimoler, R. Burke, B. Mobasher. In Proceedings of the 2008 WebKDD Workshop, Held at ACM KDD'2008 Conference on Knowledge Discovery and Data Mining, Las Vegas, Nevada, August, 2008. [PDF]

A Framework for the Analysis of Attacks Against Social Tagging Systems. J.J. Sandvig, R.Bhaumik, M. Ramezani, R. Burke, B. Mobasher. Proceedings of the 6th Workshop on Intelligent Techniques for Web Personalization and Recommender Systems, Held at AAAI 2008, Chicago, USA, July 2008. [PDF]

Personalization in Folksonomies Based on Tag Clustering. J. Gemmell, A. Shepitsen, B. Mobasher, R. Burke. Proceedings of the 6th Workshop on Intelligent Techniques for Web Personalization and Recommender Systems, Held at AAAI 2008, Chicago, USA, July 2008. [PDF]

Using Data Mining and Recommender Systems to Scale up the Requirements Process. Jane Cleland-Huang and Bamshad Mobasher. ACM International Workshop on Ultra-Large Software Systems, Leipzig, Germany, May, 2008. [PDF]

Selecting and Applying Recommendation Technology. M. Ramezani, L. Bergman, R. Thompson, R. Burke, B. Mobasher. Proceedings of International Workshop on Recommendation and Collaboration, in Conjunction with 2008 International ACM Conference on Intelligent User Interfaces (IUI 2008), Canaria, Canary Islands, Spain, January 2008. [PDF]

2007

Towards trustworthy recommender systems: An analysis of attack models and algorithm robustness. B. Mobasher, R. Burke, R. Bhaumik, C. Williams. ACM Transactions on Internet Technology, Vol. 7, No. 4, 2007.. [PDF]
Web Search Personalization with Ontological User Profiles. A. Sieg, B. Mobasher, R. Burke. Proceedings of the 16th ACM Conference on Information and Knowledge Management (CIKM 2007). Lisboa, Portugal, November 2007. [PDF]
Robustness of Collaborative Recommendation Based On Association Rule Mining. J.J. Sandvig, B. Mobasher, and R. Burke. Proceedings of the 2007 ACM Conference on Recommender Systems, Minneapolis, October, 2007. [PDF]
Defending Recommender Systems: Detection of Profile Injection Attacks. C. Williams, B. Mobasher, R. Burke. Journal of Service Oriented Computing and Applications. August 2007 (to appear in print). [PDF] [Web Link]
Ontological User Profiles for Representing Context in Web Search. A. Sieg, B. Mobasher, R. Burke. Proceedings of the Workshop on Web Personalization and Recommender Systems. At the ACM International Conference on Web Intelligence, Silicon Valley, CA, November 2007. [PDF]
Recommender Systems. Bamshad Mobasher. Kunstliche Intelligenz, Special Issue on Web Mining. No. 3, PP. 41-43, 2007. BottcherIT Verlag, Bremen, Germany. [PDF] [Web Link]
Contextual Recommendation. Sarabjot Singh Anand and Bamshad Mobasher. In From Web to Social Web: Discovering and Deploying User and Content Profiles. B. Berendt, A. Hotho, D. Mladenic, G. Semeraro (Eds.), Lecture Notes in Computer Science (LNCS 4737), PP. 142-160, Springer Berlin-Heidelberg, 2007. [PDF] [Web Link]
Effectiveness of Crawling Attacks Against Web-based Recommender Systems. R. Bhaumik, R. Burke, B. Mobasher. Proceedings of AAAI Workshop on Intelligent Techniques for Web Personalization. B. Mobasher, S. Anand, A. Kobsa, and D. Jannach (Eds.), AAAI Press Technical Report WS-07-08, PP. 17-26, July 2007. [PDF] [Web Link]
Ontological User Profiles for Personalized Web Search. A. Sieg, B. Mobasher, R. Burke. Proceedings of AAAI Workshop on Intelligent Techniques for Web Personalization. B. Mobasher, S. Anand, A. Kobsa, and D. Jannach (Eds.), AAAI Press Technical Report WS-07-08, PP. 84-91, July 2007. [PDF] [Web Link]
Attacks and Remedies in Collaborative Recommendation. B. Mobasher, R. Burke, R. Bhaumik, J.J. Sandvig. IEEE Intelligent Systems. Vol. 22, No. 3, pp. 56-63, May/Jun, 2007. [PDF] [Web Link]
Impact of Relevance Measures on the Robustness and Accuracy of Collaborative Filtering. J.J. Sandvig, B. Mobasher, and R. Burke. Proceedings of the 8th International Conference on Electronic Commerce and Web Technologies, EC-Web 2007, Regensburg, Germany, September 2007. [PDF]
Crawling Attacks Against Web-based Recommender Systems. R. Bhaumik, R. Burke, B. Mobasher. Proceedings of the 2007 International Conference on Data Mining, DMIN'07, Las Vegas, June 2007. [PDF]
Data Mining for Personalization. In The Adaptive Web: Methods and Strategies of Web Personalization, Brusilovsky, P., Kobsa, A., Nejdl, W. (eds.). Brusilovsky, P., Kobsa, A., Nejdl, W. (eds.). Lecture Notes in Computer Science, Vol. 4321, PP. 90-135, Springer, Berlin-Heidelberg, 2007. [PDF]

2006

Advances in Web Mining and Web Usage Analysis (2004 WebKDD Volume). Bamshad Mobasher, Olfa Nasraoui, Bing Liu, Brij Masand. Lecture Notes in Artificial Intelligence, Vol. 3932. Springer Berlin-Heidelberg, 2006. [Web Link (Amazon)] [Web Link (Springer)]
Advances in Web Mining and Web Usage Analysis (2005 WebKDD Volume). Olfa Nasraoui, Osmar R. Zaļane, Myra Spiliopoulou, Bamshad Mobasher, Brij Masand, and Philip S. Yu. Lecture Notes in Artificial Intelligence, Vol. 4198. Springer Berlin-Heidelberg, 2006. [Web Link (Springer)]
Web User Segmentation Based on a Mixture of Factor Analyzers (with Y. Zhou). In Proceedings of the International Conference on E-Commerce and Web Technologies (ECWeb'06), Krakow, Poland, September 2006. [PDF]
Web Usage Mining (Invited Chapter). Web Data Mining: Exploring Hyperlinks, Contents and Usage Data (by Bing Liu). Springer Berlin-Heidelberg, 2006. [PDF] [Web Link]
WebKDD 2006: Web Mining and Web Usage Analysis Post-Workshop Report. (with O. Nasraoui, M. Spiliopoulou, J. Srivastava, B. Masand). ACM SIGKDD Explorations. Vol. 8 , No. 2, PP. 84 - 89, December 2006. [PDF]
Classification Features for Attack Detection in Collaborative Recommender Systems (with R. Burke, C. Williams and R. Bhaumik). In Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'06), Philadelphia, August 2006. (PDF)
The Impact of Attack Profile Classification on the Robustness of Collaborative Recommendation (with C. Williams, R. Bhaumik, and R. Burke). In Proceedings of the 2006 WebKDD Workshop, Held at KDD'2006, Philadelphia, August 2006. (PDF)
Detection of Obfuscated Attacks in Collaborative Recommender Systems (with C. Williams, R. Burke, R. Bhaumik, and JJ Sandvig). In Proceedings of the ECAI’06 Workshop on Recommender Systems, Held at the 17th European Conference on Artificial Intelligence (ECAI'06), Riva del Garda, Italy, August, 2006. (PDF)
Model-Based Collaborative Filtering as a Defense Against Profile Injection Attacks (with R. Burke and JJ Sandvig). In Proceedings of the 21st National Conference on Artificial Intelligence (AAAI'06), Boston, Massachusetts, July 16-20, 2006. (PDF)
Securing Collaborative Filtering Against Malicious Attacks Through Anomaly Detection (with R. Bhaumik, C. Williams, and R. Burke). In Proceedings of the 4th Workshop on Intelligent Techniques for Web Personalization (ITWP'06), at AAAI 2006, Boston, July 2006. (PDF)
Detecting Profile Injection Attacks in Collaborative Recommender Systems (with R. Burke, C. Williams, and R. Bhaumik). In Proceedings of the 8th IEEE Conference on E-Commerce Technology (CEC' 06), San Francisco, California, June 26-29, 2006. Recipient of the Best Paper Award. (PDF)
Analysis and Detection of Segment-Focused Attacks Against Collaborative Recommendation (with R. Burke, C. Williams, and R. Bhaumik). In Olfa Nasraoui, Osmar R. Zaļane, Myra Spiliopoulou, Bamshad Mobasher, Brij Masand, and Philip S. Yu (eds.), Web Mining and Web Usage Analysis, 2005, Lecture Notes in Artificial Intelligence, Vol. 4198, PP. 96-118 , Springer Berlin Heidelberg, 2006. (PDF)

2005

Intelligent Techniques for Web Personalization. In Intelligent Techniques for Web Personalization, Bamshad Mobasher and Sarabjot Singh Anand (eds.), Lecture Notes in Artificial Intelligence (LNAI 3169), Springer, 2005. (PDF) [Note: the book is available through Springer and Amazom.com]
WebKDD 2005 - Web Mining and Web Usage Analysis (with O. Nasraoui, O. R. Zaiane, M. Spiliopoulou, B. Masand, P. S. Yu). In SIGKDD Explorations, Vol.7, No. 2, pp. 139-142. 2005. (PDF)
Collaborative Recommendation Vulnerability to Focused Bias Injection Attacks (with R. Burke, R. Bhaumik, and C. Williams). In Proceedings of the Workshop on Privacy and Security Aspects of Data Mining, Held at ICDM'05, Houston, Texas,USA, November 2005. (PDF)
Segment-Based Injection Attacks against Collaborative Filtering Recommender Systems (with R. Burke, R. Bhaumik, and C. Williams). In Proceedings of the 2005 International Conference on Data Mining (ICDM'05), Houston, Texas,USA, November 2005. (PDF)
Effective Attack Models for Shilling Item-Based Collaborative Filtering Systems (with R. Burke, R. Bhaumik, and C. Williams). In Proceedings of the 2005 WebKDD Workshop, Held at KDD'2005, Chicago, Illinois, USA, August 2005. (PDF)
A Maximum Entropy Web Recommendation System: Combining Collaborative and Content Features (with X. Jin and Y. Zhou). In Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'05), Chicago, August 2005. (PDF)
Limited Knowledge Shilling Attacks in Collaborative Filtering Systems (with R. Burke and R. Bhaumik). In Proceedings of Workshop on Intelligent Techniques for Web Personalization (ITWP'05), Held at the 19th International Joint Conference on Artificial Intelligence (IJCAI'05), Edinburgh, Scotland, August 2005. (PDF)
Task-Oriented Web User Modeling for Recommendation (with X. Jin and Y. Zhou). In Proceedings of the 10th International Conference on User Modeling (UM'05), Edinburgh, Scotland, July 2005. (PDF)
Representing User Information Context with Ontologies (with A. Sieg, R. Burke, G. Prabu, and S. Lytinen). In Proceedings of HCI International 2005 Conference, Las Vegas, Nevada, July 2005. (PDF)
A Web Recommendation System Based on Maximum Entropy (with X. Jin and Y. Zhou). In Proceedings of the IEEE International Conference on Information Technology Coding and Computing (ITCC'05), Las Vegas, Nevada, April 2005. (PDF)
Attack Models for Secure Recommendation (with R. Burke, R. Zabicki, and R. Bhaumik). In Proceedings of Beyond Personalization: Workshop on the Next Generation of Recommender Systems, Held at the Intelligent User Interfaces Conference (IUI'05), San Diego, California, January 2005. (PDF)
Web Usage Mining and Personalization. In Practical Handbook of Internet Computing, Munindar P. Singh (ed.), CRC Press. 2005. (PDF)

2004

Web Mining and Web Usage Analysis: WebKDD 2004 Post-Workshop report (with O. Nasraoui, B. Masand, and B. Liu). SIGKDD Explorations, Vol.6, No. 2, pp. 147-151. 2004. (PDF)
Web Usage Mining Based on Probabilistic Latent Semantic Analysis (with X. Jin and Y. Zhou). In Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'04), Seattle, August 2004. (PDF)
A Unified Approach to Personalization Based on Probabilistic Latent Semantic Models of Web Usage and Content (with X. Jin and Y. Zhou). In Proceedings of the AAAI 2004 Workshop on Semantic Web Personalization (SWP'04), Held at AAAI 2004, San Jose, July 2004. (PDF)
A Recommendation Model Based on Latent Principal Factors in Web Navigation Data (with Y. Zhou and X. Jin). In Proceedings of the 3rd International Workshop on Web Dynamics, Held at the WWW 2004 Conference, New York, May 2004. (PDF)
Semantically Enhanced Collaborative Filtering on the Web (with X. Jin and Y. Zhou). In Web Mining: From Web to Semantic Web, Bettina Berendt et al. (ed.), Bettina Berendt et al. (eds.), LNAI Volume 3209, Springer, 2004. (PDF) (HTML)
Inferring User’s Information Context: Integrating User Profiles and Concept Hierarchies (with A. Sieg and R. Burke). In Proceedings of the 2004 Meeting of the International Federation of Classification Societies, Chicago, IL, July 2004. (PDF).
Integrating Semantic Knowledge with Web Usage Mining for Personalization (with H. Dai). In Web Mining: Applications and Techniques, Anthony Scime (ed.), IRM Press, Idea Group Publishing. 2005. (PDF)
Using Concept Hierarchies to Enhance User Queries in Web-Based Information Retrieval (with A. Sieg, R. Burke, and S. Lytinen). In Proceedings of the The IASTED International Conference on Artificial Intelligence and Applications, Innsbruck, Austria, February 2004. (PDF).

2003

Using Semantic Similarity to Enhance Item-Based Collaborative Filtering (with X. Jin). In Proceedings of The 2nd IASTED International Conference on Information and Knowledge Sharing, Scottsdale, Arizona, November 2003. (PDF)
A Hybrid Web Personalization Model Based on Site Connectivity (with M. Nakagawa). In Proceedings of the WebKDD Workshop at the ACM SIGKKDD International Conference on Knowledge Discovery and Data Mining, Washington, DC, August 2003. (PDF)
Impact of Site Characteristics on Recommendation Models Based On Association Rules and Sequential Patterns (with M. Nakagawa). In Proceedings of the IJCAI'03 Workshop on Intelligent Techniques for Web Personalization, Acapulco, Mexico, August 2003. (PDF)
Concept Based Query Enhancement in the ARCH Search Agent (with A. Sieg, R. Burke, and S. Lytinen). In Proceedings of the 4th International Conference on Internet Computing (IC'03), Las Vegas, June 2003. (PDF).
A Road map to More Effective Web Personalization: Integrating Domain Knowledge with Web Usage Mining (with H. Dai). In Proceedings of the International Conference on Internet Computing 2003 (IC’03), Las Vegas, Nevada, June 2003. (PDF)
A Framework for the Evaluation of Session Reconstruction Heuristics in Web Usage Analysis (with B. Berendt, M. Spiliopoulou, M. Nakagawa). In INFORMS Journal of Computing, Special Issue on Mining Web-Based Data for E-Business Applications, Vol. 15, No. 2, 2003. (PDF)

2002

Using Sequential and Non-Sequential Patterns for Predictive Web Usage Mining Tasks (with H. Dai, T. Luo, M. Nakagawa). In Proceedings of the IEEE International Conference on Data Mining (ICDM'2002), Maebashi City, Japan, December, 2002. (PDF)
The Impact of Site Structure and User Environment on Session Reconstruction in Web Usage Analysis (with B. Berendt, M. Spiliopoulou, and M. Nakagawa). In Proceedings of the 4th WebKDD 2002 Workshop, at the ACM-SIGKDD Conference on Knowledge Discovery in Databases (KDD'2002), Edmonton, Alberta, Canada, July 2002. (PDF)
Using Ontologies to Discover Domain-Level Web Usage Profiles (with H. Dai). In proceedings of the Second Workshop on Semantic Web Mining, at the 6th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD'02), Helsinki, Finland, August 2002. (PDF)
Discovery and Evaluation of Aggregate Usage Profiles for Web Personalization (with H. Dai, T. Luo, M. Nakagawa). In Data Mining and Knowledge Discovery, Kluwer Publishing, Vol. 6, No. 1, pp. 61-82, January 2002. (PDF)
A Multi-Agent Negotiation Testbed for Contracting Tasks with Temporal and Precedence Constraints (with J. Collins, W. Ketter, and M. Gini). In International Journal of Electronic Commerce, Vol. 7, No. 1, 2002. (PDF).

2001

Effective Personalization Based on Association Rule Discovery from Web Usage Data (with H. Dai, T. Luo, and M. Nakagawa). In Proceedings of the 3rd ACM Workshop on Web Information and Data Management (WIDM01), held in conjunction with the International Conference on Information and Knowledge Management (CIKM 2001), Atlanta, Georgia, November 2001. (PDF) (HTML)
An Adaptive Agent for Web Exploration Based of Concept Hierarchies (with S. Parent and S. Lytinen). In Proceedings of the 9th International Conference on Human Computer Interaction, New Orleans, August 2001. (PDF).
Improving the Effectiveness of Collaborative Filtering on Anonymous Web Usage Data (with H. Dai, T. Luo, and M. Nakagawa). In Proceedings of the IJCAI 2001 Workshop on Intelligent Techniques for Web Personalization (ITWP01), August 2001, Seattle. (PDF)
Decision Processes in Agent-Based Automated Contracting (with J. Collins, C. Bilot, and M. Gini). In IEEE Internet Computing, Vol. 5, No. 2, pp. 61-72, March/April 2001. (PDF)
Measuring the Accuracy of Sessionizers for Web Usage Analysis (with B. Berendt, M. Spiliopoulou, and J. Wiltshire). In Proceedings of the Web Mining Workshop at the First SIAM International Conference on Data Mining, April 2001, Chicago. (PDF)

2000

Discovery of Aggregate Usage Profiles for Web Personalization (with H. Dai, T. Luo, Y. Sung, M. Nakagawa, J. Wiltshire). In Proceedings of the Web Mining for E-Commerce Workshop (WebKDD'2000), held in conjunction with the ACM-SIGKDD Conference on Knowledge Discovery in Databases (KDD'2000), August 2000, Boston. (PDF) (HTML)
Integrating Web Usage and Content Mining for More Effective Personalization (with H. Dai, T. Luo, Y. Sung, and J. Zhu). In Proceedings of the International Conference on E-Commerce and Web Technologies (ECWeb2000), September 2000, Greenwich, UK. (PDF) (HTML)
Automatic Personalization Based On Web Usage Mining (with R. Cooley and J. Srivastava). Communication of ACM, Volume 43, Issue 8, August, 2000. (PDF)
Mixed-Initiative Decision Support in Agent-Based Automated Contracting (with J. Collins, R. Sundareswara, C. Bilot, and M. Gini). In Proceedings of 4th International Conference on Autonomous Agents (Agents'2000), June 2000, Barcelona, Spain. (PDF)
A Duality Theory for Bilattices (with D. Pigozzi, G. Slutzki, and G. Voutsadakis). Algebra Universalis, Vol. 43, pp. 109-125, 2000. (PDF)
WebPersonalizer: A Server-Side Recommender System Based on Web Usage Mining Technical Report #01-004, DePaul University, School of CTI. This is an extended version of an earlier paper that appeared in the Proceedings of the 9th Workshop on Information Technologies and Systems (WITS'99), Charlotte, NC, Dec. 1999. (PDF)

1999

Creating Adaptive Web Sites Through Usage-Based Clustering of URLs (with R. Cooley and J. Srivastava). In Proceedings of the 1999 IEEE Knowledge and Data Engineering Exchange Workshop (KDEX'99), November 1999 (PDF).
Automatic Personalization Through Web Usage Mining (with R. Cooley and J. Srivastava), Technical Report TR99-010, Department of Computer Science, DePaul University, 1999. (HTML)
Document Categorization and Query Generation on the World Wide Web Using WebACE (with E. Han, D. Boley, M. Gini, R. Gross, K. Hastings, J. Moore, G. Karypis, and V. Kumar) In Journal of Artificial Intelligence Review, Vol. 13, No. 5-6, pp. 365-391, 1999. (PDF).
Data Preparation for Mining World Wide Web Browsing Patterns (with R. Cooley and J. Srivastava). In Knowledge and Information Systems, Vol. 1, No. 1, 1999. (PDF)
Bid Evaluation and Selection in MAGNET Automated Contracting System (with E. Steinmetz, J. Collins, and M. Gini). In "Agent Mediated Electronic Trading," Lecture Notes in Artificial Intelligence (LNAI) 1571, Springer-Verlag, pp. 105-125, 1999. (PDF)
Partitioning-Based Clustering for Web Document Categorization (with D. Boley, M. Gini, R. Gross, E-H. Han, K. Hastings, G. Karypis, V. Kumar, and J. Moore), Journal of Decision Support Systems, Vol. 27, No. 3, pp. 329-341, 1999. (PDF)
Search Strategies for Bid Selection in Multi-Agent Contracting (with J. Collins, R. Sundareswara, M. Tsvetovat, and Maria Gini). In Proceedings of IJCAI99 Workshop on Agent-mediated Electronic Commerce (AmEC-99), July 1999. (PDF)
Evaluating Risk, Flexibility, and Feasibility in Multi-Agent Contracting (with J. Collins, M. Tsvetovat, R. Sundareswara, J. van Tonder, and Maria Gini). In Proceedings of 3rd International Conference on Autonomous Agents (Agents'99), May 1999. (PDF)
Plan Execution by Contracting in a Multi-Agent Environment (with J. Collins, C. Bilot, M. Tsvetovat, and Maria Gini). In Proceedings of the Agents'99 Workshop on Agent-Based Decision-Support for Managing the Internet-Enabled Supply-Chain, May 1999. (PDF)
A Framework for Mixed Initiative Agent Based Contracting (with J. Collins, M. Tsvetovat, C. Bilot, R. Sundareswara, T. Lee, and Maria Gini). In Proceedings of the First IAC Workshop on Internet Based Negotiation Technologies (sponsored by the IBM Advanced Insistute for Electronic Commerce), March 1999. (PDF)

1998

A Client-Side Web Agent for Document Categorization (with D. Boley, M. Gini, K. Hastings, and J. Moore). Journal of Internet Research, Vol. 8, No. 5, 1998. (PDF)
WebACE: A Web Agent for Document Categorization and Exploration (with E. Han, D. Boley, M. Gini, R. Gross, K. Hastings, G. Karypis, V. Kumar, and J. Moore). In Proceedings of the 2nd International Conference on Autonomous Agents (Agents'98), May 1998. (PDF)
Hypergraph Based Clustering in High-Dimensional Data Sets: A Summary of Results (with Eui-Hong (Sam) Han, George Karypis, and Vipin Kumar). IEEE Bulletin of the Technical Committee on Data Engineering, Vol. 21, No. 1, March 1998. (PDF)
MAGNET: A Multi-Agent Contracting System for Plan Execution (with J. Collins, M. Tsvetovatyy, and M. Gini). In Proceeding of the Workshop on Artificial Intelligence and Manufacturing: State of the Art and State of Practice (SIGMAN'98), August 1998. (PDF)
Clustering in a High-Dimensional Space Using Hypergraph Models (with E. Han, G. Karypis, and V. Kumar). Technical Report, Department of Computer Science, Univeresity of Minnesota, 1998 (PDF)
A Market Architecture for Multi-Agent Contracting (with J. Collins, S. Jamison, M. Gini, and B. Youngdahl). In Proceedings of the 2nd International Conference on Autonomous Agents (Agents'98), May 1998. (PDF)
An Efficient Anytime Algorithm for Multiple-Component Bid Selection in Automated Contracting (with, E. Steinmetz, J. Collins, and M. Gini). In Proceedings of the Workshop on Agent Mediated Electronic Trading (AMET’98), in conjunction with the 2nd International Conference on Autonomous Agents, May 1998. (PDF)

1997

Web Mining: Information and Pattern Discovery on the World Wide Web (with R. Cooley and J. Srivastava). In Proceedings of the 9th IEEE International Conference on Tools with Artificial Intelligence (ICTAI'97), November 1997. (PDF) (HTML)
Grouping Web Page References into Transactions for Mining World Wide Web Browsing Patterns (with R. Cooley and J. Srivastava). In Proceedings of the 1997 IEEE Knowledge and Data Engineering Exchange Workshop (KDEX-97), November 1997. (PDF)
Web Page Categorization and Feature Selection Using Association Rule and Principal Component Clustering (with J. Moore, E. Han, D. Boley, M. Gini, R. Gross, K. Hastings, G. Karypis, and V. Kumar). In Proceedings of 7th Workshop on Information Technologies and Systems (WITS'97), December 1997. (PDF) (HTML)
MAGMA: An Agent-Based Virtual Market for Electronic Commerce (with M. Tsvetovatyy and M. Gini and Z. Wieckowski). Journal of Applied Artificial Intelligence, Vol. 11, Number 6, pp. 501 - 523, September 1997. (PDF)
Clustering Based on Association Rule Hypergraphs (with E. Han, G. Karypis, and V. Kumar). In Proccedings of SIGMOD’97 Workshop on Research Issues in Data Mining and Knowledge Discovery (DMKD’97), May 1997. (PDF)
Multi-valued Logic Programming Semantics: An Algebraic Approach (with D. Pigozzi and G. Slutzki). Theoretical Computer Science, Vol. 171 (1-2) (1997), pp.77-109. (PDF)
Temporal Strategies in a Multi-Agent Contracting Protocol (with J. Collins, S. Jamison, and M. Gini). In AAAI 97 Workshop on Using AI in Electronic Commerce, Virtual Organizations and Enterprise Knowledge Management, August 1997. (PDF).

Prior to 1997

Web Mining: Pattern Discovery from World Wide Web Transactions (with N. Jain and E. Han and J. Srivastava). Technical Report TR96-050, Department of Computer Science, University of Minnesota, 1996. (PDF).
Generalized Knowledge-based Semantics for Multi-Valued Logic Programs. Ph.D. Dissertation, Department of Computer Science, Iowa State University, August 1994. (Postscript).
Algebraic Semantics for Knowledge-based Logic Programs (with D. Pigozzi and G. Slutzki). Proceedings of the Workshop on Uncertainty in Databases and Deductive Systems (WUDDS-94), Ithaca, NY, November 1994. (PDF).
Negation as Partial Failure (with J. Leszczylowski, D. Pigozzi, and G. Slutzki). In Proceedings of the 2nd International Workshop on Logic Programming and Non-monotonic Reasoning, L. M. Pereira and A Nerode (eds.), MIT Press, pp. 244-262, 1993. (PDF)
A Graphical Logic for Proof Development. Technical Report TR#93-16, Department of Computer Science, Iowa State University, May 1993.
An Interactive Tutor for Propositional Calculus Based on Graphical Logic (with J. Leszczylowski and G. Slutzki). International Journal of Micro-Computer Applications, Vol. 9, No. 2, 1990.
A KL-ONE Knowledge Classification System in Prolog: Project Report and User's Manual. Department of Computer Science, Iowa State University. 1989.

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