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Research Interests


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Biographical sketch

I received my Ph. D. degree and Doctorat d'Etat in Computer Science from the University Pierre et Marie Curie (Paris 6) in 1981 and 1985, respectively. Since 1989, I am a Director of Research at INRIA, the national research center for computer science in France. I recently settled in Nantes where I started the Atlas research group.

 

In 1999-2002, I was a professor of computer science at University Paris 6, on leave from INRIA. From 1989 to 1999, I led the Rodin group working on distributed database and multimedia technology. From 1995 to 2000, I also led Dyade, the R&D joint venture between Bull and INRIA to foster technology transfer in the areas of Internet (50 people). From 1985 to 1989, I was a senior scientist at Microelectronics and Computer Technology Corp. (MCC) in Austin, Texas. There I participated in the design and implementation of the Bubba parallel database system.

I have authored and co-authored over 100 technical papers and several books; among which, "Principles of Distributed Database Systems" published by Prentice Hall in 1991 and 1999 (2nd edition), "Object Technology" published by Thomson Computer Press in 1997, and “Relational Databases and Knowledge Bases” published by Addison-Wesley in 1990.

I have been a trustee of the VLDB endowment and an associate editor of several journals; including ACM Transactions on Database Systems, the VLDB Journal, Distributed and Parallel Databases, Internet and Databases: Web Information Systems, etc. I have also served as program chair of PDIS'93, SIGMOD'97, VLDB'98 (industrial program), VLDB'99 (European program). In 2004, I will the general chair of the ACM SIGMOD/PODS conference which will be held in Paris (first time outside North America).

I was the recipient of the 1993 IBM France scientific prize, the top prize in computer science in France. In 2000, I obtained the best paper award at the VLDB conference.

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Books

  1. T. Özsu, P. Valduriez: Principles of Distributed Database Systems. 2nd Edition, Prentice Hall, Englewood Cliffs, New Jersey, 666 pages, 1999.
  2. M. Bouzeghoub, G. Gardarin, P. Valduriez: Objects: concepts and methods. International Thomson Computer Press, London, 1997.
  3. M. Bouzeghoub, G. Gardarin, P. Valduriez: Objects: concepts, languages, databases, methods and interfaces . in French, Eyrolles, Paris, 1994.
  4. T. Özsu, U. Dayal, P. Valduriez (eds.): Distributed Object Management. Morgan Kaufmann, 1993.
  5. P. Valduriez (ed.): Data Management and Parallel Processing. Chapman and Hall, London, 1992.
  6. T. Özsu, P. Valduriez: Principles of Distributed Database Systems. Prentice Hall, Englewood Cliffs, New Jersey, 540 pages, 1991.
  7. G. Gardarin, P. Valduriez, Relational Databases and Knowledge Bases, Addison-Wesley Publishing Company, Reading, Massachusetts, 448 pages, 1990.
  8. P. Valduriez, G. Gardarin, Analysis and Comparison of Relational Database Systems. Addison-Wesley Publishing Company, Reading, Massachusetts, 280 pages, 1990.


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Main journal publications

1.       P. Pucheral,  L. Bouganim, P. Valduriez, C. Bobineau : PicoDBMS : Scaling down database techniques for the Smartcard. The VLDB Journal, special issue on Best Papers from VLDB2000, 10(2-3),2001.

2.       Luc Bouganim, Françoise Fabret, C. Mohan, Patrick Valduriez: A Dynamic Query Processing Architecture for Data Integration Systems, IEEE Data Engineering Bulletin, 23(2), 2000.

3.       H. Naacke, A. Tomasic, P. Valduriez : Validating Mediator Cost Models with DISCO. Network and Information Systems Journal, Hermès, 2(5-6), 1999.

4.       L. Bouganim, D. Florescu, P. Valduriez : Load Balancing for Parallel Query Execution on NUMA Multiprocesseurs. Distributed and Parallel Databases, Kluwer Academic Publishers, 7(1), 1999.

5.       L. Bouganim, O. Kapiskaia, P. Valduriez : Dynamic Memory Allocation for Large Query Execution. Network and Information Systems Journal, Hermès, 1(6), 1998.

6.       A. Tomasic, L. Raschid, P. Valduriez: Scaling Access to  Distributed Heterogeneous Data Sources with DISCO, IEEE Trans. on Knowledge and Data Engineering, 10(5), 1998.

7.       E. Pacitti, P. Valduriez: Replicated Databases: concepts, architectures and techniques, Network and Information systems Journal, Hermès, 1(3), 1998.

8.       M. Zaït, D. Florescu, P. Valduriez: Benchmarking the DBS3 Parallel Query Optimizer. IEEE Parallel and Distributed Technology, 4(2), 1996.

9.       D. Florescu, L. Raschid, P. Valduriez: A Methodology for Query Reformulation in CIS using Semantic Knowledge. Int. Journal of Intelligent and Cooperative Information Systems, special issue on Formal Methods in Cooperative Information Systems: Heterogeneous Databases, 5(4), 1996.

10.    D. Shasha, F. Llirbat, E. Simon, P. Valduriez: Transaction Chopping : Algorithms and Performance Studies. ACM Trans. on Database Systems, 20(3), 1995.

11.    R. Lanzelotte, P. Valduriez, M. Zait, M. Ziane: Industrial-strenght Parallel Query Optimization: issues and lessons. Information Systems, 19(4), 1994.

12.    P. Valduriez: Parallel Database Systems: open problems and new issues. Int. Journal on Distributed and Parallel Databases, 1(2), 1993.

13.    S. Danforth, P. Valduriez: A FAD for Data-Intensive Applications. IEEE Trans. on Data and Knowledge Engineering, 4(1), 1992.

14.    T. Özsu, P. Valduriez: Distributed Database Systems: Where Are We Now?. IEEE Computer, 24(8), 1991.

15.    P. Valduriez, S. Khoshafian: Parallel Evaluation of the Transitive Closure of a Database Relation. Int. Journal of Parallel Programming, 17(1), 1988.

16.    P. Valduriez: Join Indices. ACM Trans. on Database Systems, 12(2), 1987.

17.    P. Valduriez, G. Gardarin: Join and Semi-join Algorithms for a Multiprocessor Database Machine. ACM Trans. on Database Systems, 9(1), 1984.


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Recent conference papers

18.    S. Gançarski, H. Naacke, E. Pacitti, P. Valduriez: “Parallel Processing with Autonomous Databases in a Cluster System”, Int. Conf. on Cooperative Information Systems (CoopIS’02), Los Angeles, California, 2002.

19.    H. Naacke, S. Gancarski, P. Valduriez: Load Balancing of Autonomous Databases and Applications in a Cluster system. Int. Workshop on Distributed Data & Structures, Paris, March 2002.

20.    M. Andrei, P. Valduriez: User-optimizer Communication using Abstract Plans in Sybase ASE. Int. Conf. on VLDB, Roma, 2001

21.    L. Bouganim, F. Fabret, F. Porto,  P. Valduriez : Processing Queries with Expensive Functions and Large Objects in Distributed Mediator Systems. Int. Conf. on Data Engineering, Heidelberg, 2001.

22.    C. Bobineau, L. Bouganim, P. Pucheral,  P. Valduriez : PicoDBMS : Scaling down database techniques for the Smartcard. Int. Conf. on VLDB, Best paper award, Cairo, 2000.

23.    K. Yagoub, D. Florescu, V. Issarny,  P. Valduriez : Caching Strategies for Data-intensive Web Sites. Int. Conf. on VLDB, Cairo, 2000.

24.    L. Bouganim, F. Fabret, C. Mohan,  P. Valduriez : Dynamic Query Scheduling in Data Integration Systems. Int. Conf. on Data Engineering, San Diego, 2000.

25.    L. Bouganim, O. Kapiskaia, P. Valduriez: Memory-adaptive Scheduling for Large Query Execution. Int. Conf. on Information and Knowledge Management, Bethesda, Maryland, 1998.

26.    M. Skubizewski, P. Valduriez: Concurrent Garbage Collection in O2. Int. Conf. on VLDB, Athens, August 1997.

27.    L. Bouganim, D. Florescu, P. Valduriez: Dynamic Load Balancing in Hierarchical Parallel Database Systems. Int. Conf. on VLDB, Bombay, August 1996.

28.    A. Tomasic, L. Raschid, P. Valduriez: Scaling Heterogeneous Database and the Design of DISCO, Int. Conf. on Distributed Computing Systems, Hong Kong, May 1996.

29.    L. Daynès, O. Gruber, P. Valduriez: Locking in OODBMS Clients Supporting Multiple Nested Transactions. Int. Conf. on Data Engineering, Taipei (Taiwan), March 1995.

30.    R. Lanzelotte, P. Valduriez, M. Zait: On the Effectiveness of Optimization Search Strategies for Parallel Execution Spaces. Int. Conf. on VLDB, Dublin, August 1993.

31.    P. Valduriez: Parallel Database Systems: the case for shared-something. Keynote address, IEEE Int. Conf. on Data Engineering, Vienna, Austria, April 1993.

32.    S. Parker, E. Simon, P. Valduriez: SVP, a Data Model Capturing Sets, Streams and Parallelism. Int. Conf. on VLDB, Vancouver, August 1992.

33.    D. Shasha, E. Simon, P. Valduriez: Simple Rational Guidance for Chopping Up Transactions. ACM SIGMOD Int. Conf., San Diego, June 1992.

34.    R. Lanzelotte, P. Valduriez, M. Zait: Optimization of Object-Oriented Recursive Queries Using Cost-Controlled Strategies. ACM SIGMOD Int. Conf., San Diego, June 1992.

35.    R. Lanzelotte, P. Valduriez: Extending the Search Strategy in a Query Optimizer. Int. Conf. on VLDB, Barcelona, September 1991.

36.    P. Pucheral, J-M. Thevenin, P. Valduriez: Efficient Main Memory Data Management using the DBGRAPH Storage Model. Int. Conf. on VLDB, Brisbane, Australia, August 1990.


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