R. Ahmed, The Pegasus heterogeneous multidatabase system, Computer, vol.24, issue.12, p.24, 1991.
DOI : 10.1109/2.116885

Y. Arens, C. Y. Chee, C. Hsu, and C. A. Knoblock, RETRIEVING AND INTEGRATING DATA FROM MULTIPLE INFORMATION SOURCES, International Journal of Cooperative Information Systems, vol.02, issue.02, 1993.
DOI : 10.1142/S0218215793000071

T. Barsalou and D. Gangopadhay, M(DM): an open framework for interoperation of multimodel multidatabase systems, [1992] Eighth International Conference on Data Engineering, 1992.
DOI : 10.1109/ICDE.1992.213189

C. Batini, M. Lenzerini, and S. B. Navathe, A comparative analysis of methodologies for database schema integration, ACM Computing Surveys, vol.18, issue.4, pp.323-364, 1986.
DOI : 10.1145/27633.27634

M. Carey, Towards heterogeneous multimedia information systems: the Garlic approach, Proceedings RIDE-DOM'95. Fifth International Workshop on Research Issues in Data Engineering-Distributed Object Management, 1995.
DOI : 10.1109/RIDE.1995.378736
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.9387

S. Chakravarthy, W. Whang, and S. B. Navathe, A logic-based approach to query processing in federated databases, Information Sciences, vol.79, issue.1-2, 1993.
DOI : 10.1016/0020-0255(94)90037-X

J. Chomicki and W. Litwin, Declarative definition of object-oriented multidatabase mappings, 1993.

D. Florescu, L. Raschid, and P. Valduriez, Using Heterogeneous Equivalences for Query Rewriting in Multidatabase Systems, Proceedings of the Intl. Conf. on Cooperating Information Systems, 1995.

G. Graefe, Encapsulation of Parallelism in the Volcano Query Processing System, ACM SIGMOD Int. Conf, 1990.

W. Kent, Solving Domain Mismatch and Schema Mismatch Problems with an Object- Oriented Database Programming Language, Proceedings of the International Conference on Very Large Data Bases Proceedings of the VLDB, 1991.

A. M. Keller and J. Basu, A Predicate-based Caching Scheme for Client- Server Database Architectures, 1996.
DOI : 10.1007/s007780050014
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.128.9102

W. Kim and J. Seo, Classifying Schematic and Data Heterogeneity in Multi-Database Systems, IEEE Computer, pp.12-18, 1991.
DOI : 10.1109/2.116884

W. Kim, On resolving schematic heterogeneity in multidatabase systems, Distributed and Parallel Databases, 1993.
DOI : 10.1007/BF01263333

R. Krishnamurthy, W. Litwin, and W. Kent, Language Features for Interoperability of Databases with Schematic Discrepancies, ACM SIGMOD Intl. Conf, 1991.

L. V. Lakshmanan, F. Sadri, and I. N. Subramanian, On the logical foundations of schema integration and evolution in heterogeneous database systems, 1993.
DOI : 10.1007/3-540-57530-8_6

A. Lefebvre, P. Bernus, and R. Topor, Query Transformation For Accessing Heterogeneous Databases, Proceedings of the Joint International Conference and Symposium on Logic Programming, Workshop on Deductive Databases, 1992.

A. Y. Levy, D. Srivastava, and T. Kirk, Data model and query evaluation in global information systems, Journal of Intelligent Information Systems, vol.16, issue.3?4, 1995.
DOI : 10.1007/BF00962627
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.47.9649

A. Y. Levy, A. O. Mendelzon, Y. Sagiv, and D. Srivastava, Answering Queries Using Views, Proceedings of the ACM PODS Symposium, 1995.

M. Object and . Group, The Common Object Request Broker: Architecture and Specification, 1992.

Y. Papakonstantinou, H. Garcia-molina, and J. Widom, Object exchange across heterogeneous information sources, Proceedings of the Eleventh International Conference on Data Engineering, 1995.
DOI : 10.1109/ICDE.1995.380386
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.47.5182

Y. Papakonstantinou, A. Gupta, H. Garcia-molina, and J. Ullman, A Query Translation Schema for Rapid Implementation of Wrappers, Fourth International Conference on Deductive and Object-Oriented Databases, 1995.

Y. Papakonstantinou, H. Garcia-molina, and J. Ullman, MedMaker: a mediation system based on declarative specifications, Proceedings of the Twelfth International Conference on Data Engineering, 1996.
DOI : 10.1109/ICDE.1996.492097
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.35.735

X. Qian, Semantic interoperation via intelligent mediation, Proceedings RIDE-IMS `93: Third International Workshop on Research Issues in Data Engineering: Interoperability in Multidatabase Systems, 1993.
DOI : 10.1109/RIDE.1993.281918

X. Qian and L. Raschid, Translating Object-Oriented queries to Relational Queries, Proceedings of the IEEE International Conference on Data Engineering, 1995.

L. Raschid and Y. Chang, INTEROPERABLE QUERY PROCESSING FROM OBJECT TO RELATIONAL SCHEMAS BASED ON A PARAMETERIZED CANONICAL REPRESENTATION, To appear in the International Journal of Intelligent and Cooperative Information Systems, 1995.
DOI : 10.1142/S0218843095000044

P. Schwarz and K. Shoens, Managing change in the Rufus system, Proceedings of 1994 IEEE 10th International Conference on Data Engineering, 1994.
DOI : 10.1109/ICDE.1994.283028

I. Unité-de-recherche, V. Lorraine, and I. Unité-de-recherche, Technopôle de Nancy-Brabois, Campus scientifique, 615 rue du Jardin Botanique, pp.38031-38032

I. Unité-de-recherche and . Rocquencourt, Domaine de Voluceau, Rocquencourt, BP 105, 78153 LE CHESNAY Cedex Unité de recherche INRIA Sophia-Antipolis, 2004.