Publications are ordered by topic area, in reverse chronological order. In case the paper is available for download, comments and information about file format and size are provided in brackets at the end of each entry.
O. Topsakal and J. Hammer. "The SMART Approach to Schema Matching." Submitted for publication.
J. Hammer and W. O'Brien, "Future Force and First Responders: Building Ties for Collaboration and Leveraged Research and Development." In 24th Army Science Conference, Orlando, FL, December 2004. [417kb .pdf file]
J. Hammer and W. O'Brien, "A Case Study of Information Integration Problems in First Responder Coalitions." In Proceedings of the Third International Conference on Knowledge Systems for Coalition Operations (KSCO-2004), pages 145-149, Pensacola, FL, October 26-28 (postponed), 2004.
A. Martinez and J. Hammer. "Making Quality Count in Biological Data Sources." Second International ACM SIGMOD Workshop on Information Quality in Information Systems (IQIS 2005), ACM, Baltimore, MD, June 17, 2005.
W.G. Farmerie, J. Hammer, L. Liu, A. Sahni, and M. Schneider, "Biological Workflow with BlastQuest." Data and Knowledge Engineering (DKE) - Special Issue on Biological Data Management, S. Bhowmick and H. Jamil, editors, 53:1, pp. 75-97, Elsevier Science, April 2005. [Science Direct Link, 980kb .pdf file]
William G. Farmerie, Joachim Hammer, Li Liu, and Markus Schneider, "Having a BLAST: Analyzing Gene Sequence Data with BlastQuest." 1st International Workshop on Biological Data Management (BIDM'03)
(In conjunction with DEXA 2003), Prague, Czech Republic, September 1-5, 2003. [345kb .pdf file]J. Hammer and M. Schneider, "Going Back to Our Database Roots for Managing Genomic Data." In OMICS-A Journal of Integrative Biology, Mary Ann Liebert, Inc. 7:1, pp. 117-119, 2003. [html page giving several download options]
J. Hammer and M. Schneider, "Genomics Algebra: A New, Integrating Data Model, Language, and Tool for Processing and Querying Genomic Information." In Proceedings of the First Biennial Conference on Innovative Data Systems Research, Morgan Kaufman Publishers, Asilomar, CA, pages 176-187, January 5-8 2003. [446kb .pdf file]
Slightly longer draft version available as technical report CISE TR02-009. [648kb .pdf file]
Presentation slides. [174kb .ppt file]
J. Hammer, O. Topsakal, and M. Stonebraker, "THALIA: Test Harness for the Assessment of Legacy Information Integration Approaches." In Proceedings of 21st International Conference on Data Engineering (ICDE), short paper track, Tokyo, Japan, April 2005.
O. Topsakal and J. Hammer. "Schema Matching By Analyzing Application Source Code with Heuristics." To appear in 2006 IEEE International Conference on Information Reuse and Integration (IEEE IRI 2006): Heuristic Systems Engineering, IEEE, Waikoloa, Hawaii, September 2006.
O. Topsakal and J. Hammer. "Schema Matching with Report Analysis." In VLDB Workshop on Ontologies-based Techniques for Databases and Information Systems (ODBIS 2005), IEEE, Trondheim, Norway, September 2005.
J. Hammer and C. Pluempitiwiriyawej. "Element Matching across XML Sources using a Multi-strategy Clustering Technique." In Data and Knowledge Engineering (DKE). Elsevier Science. 48:3, pp. 297-333, March 2004.
W. O'Brien, R.R. Issa, J. Hammer, M.S. Schmalz, J. Geunes, and S. X. Bai, "SEEK: Accomplishing Enterprise Information Integration Across Heterogeneous Sources." Journal of Information Technology in Construction - Special Issue on ICT Support for Knowledge Management in Construction, 7, pp. 101-124, 2002. [abstract and pdf version of full paper, 659kb .pdf file]
J. Hammer and D. McLeod. "On the Resolution of Representational Diversity in Multidatabase Systems." In Management of Heterogeneous and Autonomous Database Systems. A. K. Elmagarmid, M. Rusinkiewicz, and A. Sheth, editors. Morgan Kaufmann, pp. 91-118, 1998.
J. Hammer, D. McLeod, and A. Si. "An Intelligent System for Identifying and Integrating Non-Local Objects in Federated Database Systems." In Proceedings of the 27th Hawaii International Conference on System Sciences , pp. 389-407. Computer Society of the IEEE, University of Hawaii, Hawaii, USA, January 1994. [334kb .ps file]
J. Hammer and D. McLeod. "An Approach to Resolving Semantic Heterogeneity in a Federation of Autonomous, Heterogeneous Database Systems." International Journal of Intelligent & Cooperative Information Systems. M. Papazoglou and T. Sellis, editors-in-chief. World Scientific, 2:1, pp. 51-83, 1993.
J. Hammer, D. McLeod, and A. Si. "Object Discovery and Unification in a Federated Database System." In Proceedings of the Workshop on Interoperability of Database Systems and Database Applications, Swiss Information Society, University of Fribourg, Switzerland, pp. 3-18, October 1993. [346kb .ps file]
D. Fang, J. Hammer, and D. McLeod. "A Mechanism and Experimental System for Function-Based Sharing in Federated Databases." D.K. Hsiao, E.J. Neuhold, and R. Sacks-Davis, editors, Interoperable Database Systems (DS-5) (A-25). Elsevier Science Publisher B.V. (North-Holland), pages 239-253, 1993. [284kb .ps file]
D. McLeod, D. Fang, and J. Hammer. "The Identification and Resolution of Semantic Heterogeneity." In Proceedings of International Workshop on Interoperability in Multidatabase Systems, Kyoto, Japan, April 1991. [132kb .ps file]
P. Dobbins, T. Dohzen, C. Grant, J. Hammer, D. Oliver, M. Pamuk, U. Sargut, and R. Wells. "The Morpheus Data Integration System," submitted to Conference on Innovative Database Research (CIDR 2007). Asilomar, CA, 2007.
T. Dohzen, M. Pamuk, S.-W. Seong, J. Hammer, and M. Stonebraker. "Data integration through transform reuse in the Morpheus project," in ACM SIGMOD International Conference on Management of Data (Demo Track). ACM Publishing Company, pp. 736-738. Chicago, IL, June 2006.
J. Hammer, H. Garcia-Molina, J. Cho, A. Crespo, R. Aranha. "Extracting Semistructured Information from the Web." In Proceedings of the Workshop on Management of Semistructured Data, Tucson, Arizona, pages 18-25, May 1997. [71kb .pdf file]
J. Hammer, M. Breunig, H. Garcia-Molina, S. Nestorov, V. Vassalos, R. Yerneni. "Template-Based Wrappers in the TSIMMIS System." In Proceedings of the ACM SIGMOD International Conference on Management of Data (Demonstration Track), Tucson, Arizona, May 1997. [159kb .pdf file]
J. Hammer and C. Pluempitiwiriyawej, "Overview of the Integration Wizard Project for Querying and Managing Semistructured Data in Heterogeneous Sources." In Proceedings of the The Fifth National Computer Science and Engineering Conference (NCSEC 2001), Chiang Mai University, Chiang Mai, Thailand, 7 - 9 November 2001. [326kb .pdf file]
W. O'Brien and J. Hammer, "Robust mediation of construction supply chain information." In Proceedings of the ASCE Specialty Conference on Fully Integrated and Automated Project Processes (FIAPP) in Civil Engineering, Blacksburg, VA, pages 415-425, September 2001. [289kb .pdf file]
J. Hammer, J. McHugh, and H. Garcia-Molina. "Semistructured Data: The TSIMMIS Experience." In Proceedings of the First East-European Workshop on Advances in Databases and Information Systems-ADBIS '97, Nevsky Dialect, St. Petersburg, Russia, pp. 1-8, September 1997.[227 .pdf file]
J. Hammer, H. Garcia-Molina, K. Ireland, Y. Papakonstantinou, J. Ullman, and J. Widom. "Information Translation, Mediation, and Mosaic-Based Browsing in the TSIMMIS System". In Proceedings of the ACM SIGMOD International Conference on Management of Data, San Jose, California, page 485, June 1995. [proposal version, 153kb .pdf file]
The shorter proceedings version can be obtained here. [97kb .pdf file]H. Garcia-Molina, J. Hammer, K. Ireland, Y. Papakonstantinou, J. Ullman, and J. Widom. "Integrating and Accessing Heterogeneous Information Sources in TSIMMIS". In Proceedings of the AAAI Symposium on Information Gathering, AAAI, Stanford, California, March 1995. [abstract only, 115kb .pdf file]
S. Chawathe, H. Garcia-Molina, J. Hammer, K. Ireland, Y. Papakonstantinou, J. Ullman, and J. Widom. "The TSIMMIS Project: Integration of Heterogeneous Information Sources." In Proceedings of the 10th Meeting of the Information Processing Society of Japan, pages 7-18, Tokyo, Japan, October 1994. [284kb .pdf file]
D. Fang, J. Hammer, D. McLeod, and A. Si. "Remote-Exchange: An Approach to Controlled Sharing among Autonomous, Heterogeneous Database Systems." In Proceedings of the IEEE Computer Society International Conference,IEEE Society Press, San Francisco, pp. 510-515, February 1991.[136kb .pdf file]
J. Shin, J. Hammer, and W. J. O'Brien. "Distributed Process Integration: Experiences and Opportunities for Future Research," In IEEE International Workshop on Web and Mobile Information Systems (WAMIS 2006)", pp. 247-251, Vienna, Austria, April 2006.
M. Lorenz, J. Gehrke, J. Hammer, H. Langer, I.J. Timm. "Knowledge Management to Support Situation-aware Risk Management in Autonomous, Self-managing Agents." In International Conference on Self-Organization and Adaptation of Multi-agent and Grid Systems (SOASÕ2005). Glasgow, Scotland, 2005.
M. Lorenz, I. J. Timm, J. D. Gehrke, J. Hammer, and H. Langer. "Situation-aware Risk Management in Autonomous Agents," in ACM Fourteenth Conference on Information and Knowledge Management (CIKM 2005)" - Demo Session, ACM Publishers, Bremen, Germany, 2005.
J. Hammer, H. Langer, and I.J. Timm. "Distributed Knowledge Management in the Transportation Domain." In 10th International Symposium on Logistics (ISL), Lisbon, Portugal, June 2005.
H. Langer, J.D. Gehrke, J. Hammer, M. Lorenz, I.J. Timm, and O. Herzog. "Emerging Knowledge Management in Distributed Environments." In Workshop on Agent-Mediated Knowledge Management (AMKM 2005) at the Fourth International Joint Conference on Autonomous Agents & MultiAgent Systems (AAMAS 2005), Utrecht, Netherlands, August 2005.
M. S. Schmalz, J. Hammer, M. Wu, and O. Topsakal, "EITH - A unifying representation for database schema and application code in enterprise knowledge extraction," In Proceedings of the 22nd International Conference on Conceptual Modeling (ER 2003), LNCS 2813, Springer Verlag, pages 461-475, Chicago, IL, 2003. [449kb .pdf file]
J. Hammer and W. O'Brien. "Enabling Supply-Chain Coordination: Leveraging Legacy Sources for Rich Decision Support." In Applications of Supply Chain Management Research, E. Akáli, et al., editors. Kluwer Science Series in Applied Optimization. 20 pages. 2005.
J. Hammer, M. Schmalz, and W. O'Brien. "Scalable Knowledge Extraction from Legacy Sources with SEEK." NSF/NIJ Symposium on Intelligence and Security Informatics, Tucson, Arizona, June 2003. Reprinted in H. Chen, R. Miranda, D. Zeng., C. Demchak, J. Schroeder, T. Madhusdan (eds). (2003).Ê Lecture Notes in Computer Science 2665: Intelligence and Security Informatics, Springer-Verlag, Berlin, pp. 346-349.
J. Hammer, M. Schmalz, W. O'Brien, S. Shekar, and N. Haldevnekar. "SEEKing Knowledge in Legacy Information Systems to Support Interoperability." In Proceedings of the International Workshop on Ontologies and Semantic Interoperability (ECAI-02), J. Euzenat, A. Gomez-Perez, N. Guarino, H. Stuckenschmidt, editors. CEUR Workshop Series, vol. 64, Lyon, France, July 2002. [353kb .pdf file]
Full version available as technical report CISE TR02-008. [1025kb .pdf file]
J. Hammer, I. Hassan, C. Julien, S.m Kabadayi, W. J. O'Brien, and Jason Trujillo. "Dynamic Decision Support in Direct-Access Sensor Networks - a Demonstration." In Proceedings of the Third IEEE International Conference on Mobile Ad-hoc and Sensor Systems (Maas 2006), Vancouver, Canada, October 9-12, 2006.
J. Zhang, A. Helal, and J. Hammer, "UbiData: Ubiquitous Mobile File Service." ACM Symposium on Applied Computing (SAC 2003), Melbourne, FL, pages 45-56, 9-12 March 2003.
A. Helal, L. Sampath, K. Birkett, and J. Hammer, "Adaptive Delivery of Video Data over Wireless and Mobile Environments." Wireless Communications and Mobile Computing. John Wiley & Sons, Ltd, 3:23, pp. 23-36, 2002. [171kb .pdf file]
Abstract available [html file]
Format-Independent Change Detection and Propagation in Support of Mobile Computing." In Proceedings of the SBBD2002 - XVII Brazilian Symposium on Databases, Gramado, Brazil, pp. 27-41, 14-17 October 2002. [419kb .pdf file] A. Helal, J. Hammer, A. Khushraj, and J. Zhang, "A Three-tier Architecture for Ubiquitous Data Access." In Proceedings of the First ACS/IEEE International Conference on Computer Systems and Applications, Beirut, Lebanon, pp. 177-180, July 2001. [232kb .pdf file]
M. Lee and J. Hammer, "Speeding Up Warehouse Physical Design Using A Randomized Algorithm," International Journal of Cooperative Information Systems (IJCIS) - Special Issue on Design and Management of Data Warehouses, 10:3, pages 327-354, 2001.
Abstract available. [html file]M. Lee and J. Hammer. "Speeding Up Warehouse Physical Design Using A Randomized Algorithm," In Proceedings of the International Workshop on Design and Management of Data Warehouses (DMDW '99), Heidelberg, Germany, pages 21-30, June 1999. [732kb .pdf file].
Full version available as technical report CISE TR99-012. [750kb .pdf file]
J. Hammer and L. Fu*. "CubiST++: Evaluating Ad-Hoc CUBE Queries Using Statistics Tree." Distributed and Parallel Databases. Kluwer Academic Publishers. (accepted for publication in 2003)
L. Fu and J. Hammer, "Improving the Performance of OLAP Queries Using Families of Statistics Trees," presented at 3rd International Conference on Data Warehousing and Knowledge Discovery (DaWaK 2001), Technical University of München, München, Germany, 2001. Published in LNCS 2114, Springer Verlag, pages 274-283. [95kb .pdf file]
Abstract available. [html file]L. Fu and J. Hammer, "CubiST: A New Algorithm for Improving the Performance of Ad-hoc OLAP Queries." In Proceedings of the ACM Third International Workshop on Data Warehousing and OLAP, Washington, DC, November 2000. [416kb .pdf file]
Full version available as technical report CISE TR01-007. [275kb .pdf file]
Y. Zhuge, H. Garcia-Molina, J. Hammer, and J. Widom, "View Maintenance in a Warehousing Environment," in Materialized Views, A. Gupta and I. S. Mumick, Eds. Boston, MA: MIT Press, pp. 253-274, 1999.
Y. Zhuge, H. Garcia-Molina, J. Hammer, and J. Widom. "View Maintenance in a Warehousing Environment". In Proceedings of the ACM SIGMOD International Conference on Management of Data, pages 316-327, San Jose, California, June 1995. [260kb .pdf file]
J. Hammer, H. Garcia-Molina, W. Labio, J. Widom, Y. Zhuge. "The Stanford Data Warehousing Project." In Data Engineering Bulletin, Special Issue on Materialized Views and Data Warehousing, 18:2, pages 41-48, June 1995. [145kb .pdf file]
S. Su, C. Huang, J. Hammer, Y. Huang, H. Li, L. Wang, Y. Liu, C. Pluempitiwiriyawej, and H. Lam, "An Internet-Based Negotiation Server for E-Commerce." VLDB Journal - Special Issue on E-Services, 10:1, pages 72-90, 2001. [347kb .pdf file]
Abstract available. [html file]J. Hammer, C. B. Huang, Y. H. Huang, C. Pluempitiwiriyawej, M. Lee, H. Li, L. Wang, Y. Liu, and S. Y. W. Su, "The IDEAL Approach to Internet-Based Negotiation for E-Business." In Proceedings of the Sixteenth International Conference on Data Engineering, San Diego, CA, pages 666-667, March 2000.
S. Su, Chunbo Huang and J. Hammer. "A Replicable Web-Based Negotiation Server for E-Commerce." In Proceedings of the Thirty-Third Hawaii International Conference on System Sciences (HICSS-33) - Volume 8, IEEE Computer Society, Maui, Hawaii, page 8016 (abstract only, 9-page paper is included in conference CD), January 4-7, 2000. [346kb .pdf file]
Abstract available. [html file]
Extended version available as technical report CISE TR99-010. [150kb .ps.gz file]S. Su, C. Huang, and J. Hammer, "A Replicable Web-based Negotiation Server for E-commerce." In Proceedings of the First IAC Workshop on Internet Based Negotiation Technologies, Yorktown Heights, NY, 1999.
Gargi M. Sur, Joachim Hammer, and Jerome Simeon, "UpdateX - An XQuery-Based Language for Processing Updates in XML." In International Workshop on Programming Language Technologies for XML (PLAN-X 2004), Venice, Italy, January 2004.
J. Fiedler and J. Hammer, "Using Mobile Crawlers to Search the Web Efficiently." International Journal of Computer and Information Science, 1:1, pages 36-58, 2000. [542k .pdf file]
J. Fiedler and J. Hammer. "Using the Web Efficiently: Mobile Crawling." In Proceedings of the Seventeenth Annual International Conference of the Association of Management (AoM/IAoM) on Computer Science, Maximilian Press Publishers, pages 324-329, San Diego, CA, August 1999. [155kb .pdf file]
Full version available as technical report CISE TR97-007. [270kb .pdf.gz file]
Y. Taha, A. Helal, K. Ahmed and J. Hammer. "Managing Multi-Task Systems Using Workflow." In International Journal of Computers and Applications (IJCA), 21:3, pages 69-78, Sept. 1999. [232kb .pdf file]
J. Hammer and M. Schneider. "Data Structures for Databases." Handbook of Data Structures and Applications, D. Mehta and S. Sahni, eds., CRC Press, pp. 60/1-22, October 2004.
D. Fang, J. Hammer, and D. McLeod. "An Approach to Behavior Sharing in Federated Database Systems." In Distributed Object Management, M. T. Özsu, U. Dayal, and P. Valduriez, editors. Morgan Kaufmann, pp. 334-346, 1993.
J. Hammer. "Introductory notes to the special issue on advances in online analytical processing." In Special Issue: Advances in Data Warehousing. Data and Knowledge Engineering (DKE). Elsevier Science, 45:2, pp. 127 - 129, 2003.
J. Hammer. "ACM Fourth International Workshop on Data Warehousing and OLAP." ACM Press, Atlanta, GA, 93 pp., 2001.
J. Hammer. "Data Warehousing and Decision Support - Tales from a Virtual Classroom." In Teaching with Technology: Seventy-five Professors from Eight Universities Tell their Stories, David G. Brown, editor. Anker Publishing Company, Bolton, MA, pp. 69-73, 2000.
J. Hammer, "Report on the ACM Fourth International Workshop on Data Warehousing and OLAP (DOLAP 2001)," SIGMOD Record, 31:2, pp. 80-83, 2002. [123kb .pdf file]
"Future Force and First Responders: Building Ties for Collaboration and Leveraged R&D." 24th Army Science Conference, Orlando, FL, Nov. 29-Dec.1, 2004. [685kb .ppt file]
"Genomics Algebra: A New, Integrating Data Model, Language, and Tool for Processing and Querying Genomic Information."First Biennial Conference on Innovative Data Systems Research, Asilomar, CA, January 5-8 2003. [174kb .ppt file]
"SEEK: Scalable Extraction of Enterprise Knowledge." Invited Talk, Dept. of Computer Science & Information Systems, The University of Hong Kong, June 20, 2002. [updated and longer version of talk below; 334kb .pdf file]
"SEEK: Scalable Extraction of Enterprise Knowledge." Presented at the NSF Co-sponsored Workshop on Collaboration and Negotiation in Supply Chain Management and E-commerce, February 26 & 27, 2002, University of Florida, Gainesville, FL. [416kb .pdf file]
"Improving the Performance of OLAP Queries Using Families of Statistics Trees." Presented at the Third International Conference on Data Warehousing and Knowledge Discovery (DaWaK 2001) in München, Germany, Sept. 7, 2001. [769kb .pdf file]
Last modified: Sunday, August 22, 2005
Joachim Hammer