1. Research Assistant, Computer Science Department, Purdue University, 01/95-08/99
2. Research Assistant, Computer Engineering and Informatics Department, University of Patras, 09/92-12/94

PARTICIPATION IN RESEARCH PROJECTS

1. Data Cleaning and Information Quality
(http://www.cis.drexel.edu/faculty/verykios/data-cleaning/index.html)
2. Confidentiality Issues in Data Mining and Quality of Data
(http://www.cerias.purdue.edu)
3. PYTHIA-II: A Recommender System for Scientific Computing
(http://www.cs.purdue.edu/research/cse/pythia/)
4. POEMS: End-to-End Modeling of Large Heterogeneous Adaptive Parallel/Distributed Computer/Communication Systems
(http://www.cs.utexas.edu/users/poems/)
5. PELLPACK: A Problem Solving Environment (PSE) for PDE-Based Applications
(http://www.cs.purdue.edu/research/cse/pellpack/pellpack.html)
6. PDELab: A Development and Problem Solving Environment for PDE-Based Applications on Parallel Machines
(http://www.cs.purdue.edu/research/pdelab.html)

RESEARCH FUNDING AND PROPOSALS

1. Database Security Approaches for Protecting Confidentiality in the Deregulated Electricity Market.
Center for Education and Research in Information Assurance and Security, 6/99-6/00 (with A.K. Elmagarmid et. al.)
2. Data Quality for Knowledge Mining.
IBM, 10/99-10/00 (with A.K. Elmagarmid and E.N. Houstis)
3. Confidentiality Issues in Data Mining and Quality of Data.
Center For Education and Research in Information Assurance and Security, 6/00-6/01 (with A.K. Elmagarmid and E.N. Houstis).
4. Innovative Models and Methodologies for Cost, Error and Time Optimal Record Matching,
submitted to Faculty Early Career Development Program, National Science Foundation.
5. Philadelphia Image Database for Imaging Research,
submitted to Department of Health and Human Services, Public Health Service (with O. Tretiak, et. al.).
6. European Community Funded Projects:
UP-TV, ARCHEOGUIDE, iMEDIA, BEAM, BEAMEX, EUROFORM, Teleservice, Telematique, and PABE.

PROGRAM COMMITTEE MEMBER AND SESSION CHAIR

1. DaWak 2002, 4th International Conference on Data Warehousing and Knowledge Discovery, Aix-en-Province, France, September 2-6, 2002.
2. WIDM 2001, 3rd International Workshop on Web Information and Data Management, Atlanta, Georgia, USA, November 9, 2001.
3. IQ 2001, Conference on Information Quality, MIT, Boston, MA, November 2- November 4, 2001.
4. DaWak 2001, 3rd International Conference on Data Warehousing and Knowledge Discovery, Munich, Germany, September 5-7, 2001
5. RIDE 2001, 11th International Workshop on Research Issues in Data Engineering, Heidelberg, Germany, April 1-April 2, 2001.
6. DOLAP 2000, ACM, 3rd International Workshop on Data Warehousing and OLAP, Washington, DC, USA, November 6-November 11, 2000.
7. CIKM 2000, ACM International Conference on Information and Knowledge Management, Washington, DC, USA, November 6-November 11, 2000 (session chair and program committee member).
8. ER 2000, 19th International Conference on Conceptual Modeling, Salt Lake City, Utah, USA, October 9-October 12, 2000.
9. KDMS 2000, International Workshop on Conceptual Modeling for Knowledge Discovery and Management systems, Salt Lake City, Utah, USA, October 9-October 12, 2000.
10. VLDB 2000 (Demo Track), 26th International Conference on Very Large Databases, Cairo, Egypt, September 10-September 14, 2000.
11. ICIIS 1999, IEEE International Conference on Information, Intelligence and Systems, Bethesda, Maryland, USA, October 31-November 3, 1999.
12. CIKM 1999, ACM International Conference on Information and Knowledge Management, Kansas City, Missouri, USA, November 2-November 6, 1999

REVIEWER

1. IEEE Computer, Special issue on Digital Government (A.K. Elmagarmid and W. McIver
2. IEEE Computer, Special Issue on Data Mining (N. Ramakrishnan and A.Y. Grama)
3. Distributed and Parallel Databases Journal
4. IEEE Transactions on Knowledge and Data Engineering
5. Journal of the Association for Information Systems
6. ACM International Conference on Supercomputing, Santa Fe, New Mexico, May 2000

HONORS AND MEMBERSHIPS
1. Purdue Research Foundation 1998-1999
2. Member ACM, IEEE, UPE
3. Member of Indiana Center for Database Systems
4. Member of the Data Mining Group of University of Pennsylvania

RESEARCH INTERESTS

1. Knowledge Discovery in Databases and Data Mining
2. Knowledge Based and Expert Systems
3. Database Management Systems
4. Distributed Database Systems
5. Data and Information Quality
6. Database Security
7. Electronic Commerce and Web-Based Systems
8. High Performance Computing
9. Performance Analysis and Evaluation

PUBLICATIONS

BOOK CHAPTERS

1. Verykios, V.S. The Purdue University Data Quality Project. In R. Wang, M. Ziad and Y. Lee, Eds., Data Quality, Chapter 8, pp. 119-137, Kluwer Academic Publishers, 2001.
2. Houstis, E.N., Verykios, V.S., Catlin, A.C., Ramakrishnan, N., and Rice, J. R. A Data Mining Environment for Modeling the Performance of Scientific Software. In E.N. Houstis, S. Gallopoulos, J.R. Rice and R. Bramley, Eds., Enabling Technologies for Computational Science: Frameworks, Middleware and Environments, Chapter 21, pp. 261-271, Kluwer Academic Publishers, 2000.

JOURNAL PAPERS

3. Saygin, Y., Verykios, V.S., Clifton, C.W. Using Unknowns to Prevent Discovery of Association Rules. SIGMOD Record, vol. 30, no. 4, pp. 45-54, December 2001.
4. Verykios, V.S., Houstis, E.N., Tsoukala, L.H., and Pantazopoulos, K.N. Automating the Analysis of Option Pricing Algorithms through Intelligent Knowledge Acquisition Approaches. IEEE Transactions on Systems, Man and Cybernetics. Part A, vol. 31, issue 6, pp. 573-586, November 2001.
5. Verykios, V.S., Elmagarmid, A.K., and Houstis, E.N. Automating the Approximate Record Matching Process. Journal of Information Sciences, vol. 126, issue 1-4, pp. 83-98, July 2000.
6. Verykios, V.S., Houstis, E.N. and Rice, J.R. A Knowledge Discovery Methodology for the Performance Evaluation of Scientific Software. Journal of Neural, Parallel & Scientific Computations, vol. 8, no. 2, pp. 115-132, June 2000.
7. Houstis, E.N., Catlin, A.C., Rice, J.R., Verykios, V.S., Ramakrishnan, N., and Houstis, C.E. PYTHIA-II: A Knowledge/Database System for Managing Performance Data and Recommending Scientific Software. ACM Transactions on Mathematical Software, vol. 26, no. 2, pp. 227-253, June 2000.
8. Missier, P., Lalk, G., Verykios, V.S., Grillo, F., Lorusso, T., and Angeletti, P. Improving Data Quality in Practice: A Case Study in the Italian Public Administration. To appear in Distributed and Parallel Databases Journal.
9. Houstis, E.N., Rice, J.R., Catlin, A.C., Dhanjani, N., Ramakrishnan, N., Verykios, V.S. MyPYTHIA: A Recommendation Portal for Scientific Software and Services. To appear in Concurrency and Computation: Practice and Experience, 2002.

CONFERENCE and WORKSHOP PROCEEDINGS

10. Saygin, Y., Verykios, V.S., Elmagarmid, A.K. Privacy Preserving Association Rule Mining. To appear in Research Issues in Data Engineering (RIDE 2002), San Jose, CA.
11. Elfeky, M.G., Verykios, V.S., Elmagarmid, A.K. TAILOR: A Record Linkage Toolbox. To appear in International Conference on Data Engineering (ICDE 2002), San Jose, CA.
12. Dasseni, E., Verykios, V.S., Elmagarmid, A.K., and Bertino, E. Hiding Association Rules by Using Confidence and Support. In Proceedings of 4th International Hiding Workshop (IHW 2001) pp. 369-383, April 2001, Pittsburgh, PA, USA (Lecture Notes in Computer Science 2137 Springer 2001).
13. Verykios, V.S., A Decision Model for Cost Optimal Record Matching, In Proceedings of Affiliates Workshop on Data Quality, pp. 8, December 2000, Morristown, NJ.
14. Verykios, V.S., Elmagarmid, A.K., Elfeky, M., Cochinwala, M., and Dalal, S., On the Completeness and Accuracy of the Record Matching Process. In Proceedings of the MIT Conference on Information Quality, pp. 54-69, October 2000, Boston, MA.
15. Verykios, V.S., Houstis, E.N., and Rice, J.R. Mining the Performance of Complex Systems. In Proceedings of IEEE International Conference on Intelligence, Information and Systems (ICIIS'99), pp. 606-612, November 1999, Bethesda, MD.
16. Atallah, M., Bertino, E., Elmagarmid, A.K., Ibrahim, M., and Verykios, V.S. Disclosure Limitation of Sensitive Rules. In Proceedings of 1999 IEEE Knowledge and Data Engineering Exchange Workshop (KDEX'99) pp. 45-52, November 1999, Chicago, IL.
17. Pantazopoulos, K.N., Verykios, V.S., and Houstis, E.N. A Knowledge-Based System for the Evaluation of Option Pricing Algorithms. In Proceedings of the 4th IEEE/IAFE/INFORMS Conference on Computational Intelligence in Financial Engineering (CIFEr'98), pp.123-140, March 1998, New York, NY.
18. Houstis, C.H., Papatheodorou, T.S., Verykios, V.S., Floratos, A. and Elmagarmid, A.K. BIND: A Biomedical Interoperable Database System. In Proceedings of the 5th International Conference on Database Expert System Applications (DEXA'94), pp.671-679, September 1994, Athens, Greece (Lecture Notes in Computer Science, vol. 856, Springer 1994).
19. Vergis, A. and Verykios, V.S. On the Testability of Purely Recursive Digital Filters. In Proceedings of the 6th International Conference on Parallel Architectures and Languages Europe (PARLE' 94), pp. 85-96, July 1994, Athens, Greece (Lecture Notes in Computer Science, vol. 817, Springer 1994).

UNDER REVIEW

20. Ramakrishnan, N., Verykios, V.S., Houstis E.N., and Rice J.R., Design of the PYTHIA Recommender System. Submitted to Data Mining and Knowledge Discovery Journal, (second review).
21. Verykios, V.S., Elmagarmid, A.K., Bertino, E., Dasseni, E., and Saygin, Y., Association Rule Hiding, Submitted to IEEE Transactions on Knowledge and Data Engineering, second review.
22. Verykios, V.S., Moustakides, G.V., and Elfeky, M.G., A Bayesian Decision Model for Cost Optimal Record Matching. Submitted to the VLDB Journal, second review.
23. Cochinwala, M., Dalal, S., Elmagarmid, A.K., and Verykios, V.S., Record Matching: Past, Present and Future. Submitted to ACM Computing Surveys.

TECHNICAL REPORTS

24. Cochinwala, M., Dalal, S., Elmagarmid, A.K., and Verykios, V.S., Record Matching: Past, Present and Future. Available as Technical Report CSD-TR #01-013, Department of Computer Sciences, Purdue University, July 2001.
25. Verykios, V.S., Elmagarmid, A.K., and Moustakides, G.V., Cost Optimal Record/Entity Matching. Available as Technical Report CSD-TR #01-014, Department of Computer Sciences, Purdue University, July 2001.
26. Houstis, E.N., Catlin, A.C., Rice, J.R., Verykios, V.S., Ramakrishnan, N. and Houstis, C.H. PYTHIA-II: A Knowledge/Database system for Managing Performance Data and Recommending Scientific Software. Available as Technical Report CSD-TR #99-31, Department of Computer Sciences, Purdue University, March 2000.
27. Verykios, V.S., Elmagarmid, A.K., and Houstis, E.N. Record Matching to Improve Data Quality. Available as Technical Report CSD-TR #99-005, Department of Computer Sciences, Purdue University, February 1999.
28. Verykios, V.S., and Houstis, E.N. Parallel ELLPACK 3D Problem Solving Environment. Available as Technical Report CSD-TR #97-028, Department of Computer Sciences, Purdue University, May 1997.