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Dive into the research topics where Christine Parent is active.

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Featured researches published by Christine Parent.


international conference on data engineering | 1984

An entity-relationship algebra

Christine Parent; Stefano Spaccapietra

This paper defines an algebra for the manipulation of an entity-relationship data base. The algebra is said to be complete through equivalence with the usual definition of completeness for relational data manipulation languages. This work is intended to provide a sound basis for the definition of complete entity-relationship DMLs, an essential feature to make the ER model fully operational.


Operating Systems, Proceedings of an International Symposium | 1974

Caractérisation fonctionelle des systèmes de fichiers

Christine Parent

Cette etude des systemes de fichiers comprend cinq points dinterEt principaux: n n nelle presente une analyse fonctionnelle complete des systemes de fichiers. n n nelle propose une terminologie des fonctions qui a lavantage de couvrir tout lensemble des fonctions, contrairement aux diverses terminologies usuelles qui se limitent aux fonctions offertes par un type donne de systemes. n n nelle permet detablir la definition fonctionnelle homogene de tout systeme de fichiers, ce qui a comme utilisation immediate la comparaison de deux systemes. n n nelle introduit une caracterisation fonctionnelle des systemes de fichiers en permettant de mesurer deux qualites des fonctions quils offrent: leur capacite fonctionnelle (ou mesure de linterEt des services quils rendent a leurs utilisateurs) et leur orientation fonctionnelle (ou mesure du degre dappartenance du systeme a lune ou lautre de deux classes qui ont ete definies auparavant). n n nelle permet deffectuer une synthese de lensemble des systemes de fichiers par une representation graphique dans un espace a deux dimensions qui montre que pour les deux classes lorientation dun systeme est une fonction croissante de sa capacite.


Advances in Object-Oriented Data Modeling | 2000

Database Integration: The Key to Data Interoperability

Christine Parent; Stefano Spaccapietra


Conceptual Modelling, Database and Case: An integrated View of Information Systems Development | 1992

ERC+: An Object based Entity Relationship Approach

Stefano Spaccapietra; Christine Parent


ISCO | 1989

About Entities, Complex Objects and Object-oriented Data Models.

Christine Parent; Stefano Spaccapietra


Second International Seminar on Distributed Data Sharing Systems, Amsterdam, The Netherlands, 3-5 June, 1981 | 1981

An Approach to Effective Heterogeneous Databases Cooperation.

Stefano Spaccapietra; G. Barbara Demo; Antonio Di Leva; Christine Parent; Concepción Pérez de Célis; K. Belfar


Databases and Applications | 2004

A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation.

Mohammed Minout; Christine Parent; Esteban Zimanyi


Archive | 2003

Des SIG aux ontologies géographiques

Nadine Cullot; Christine Parent; Stefano Spaccapietra; Christelle Vangenot


Proc. of the 9th International Conference on Parallel andDistributed Computing Systems, PDCS '96 | 1996

Conflicts in Spatial Database Integration

Christine Parent; Stefano Spaccapietra; Thomas Devogele


Proc. of the International Symposium on CooperativeDatabase Systems for Advanced Applications | 1996

Analysis of Discrepancies in Spatial Data Representations

Stefano Spaccapietra; Christine Parent; Thomas Devogele

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Christelle Vangenot

École Polytechnique Fédérale de Lausanne

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Esteban Zimanyi

Université libre de Bruxelles

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Xian Ye

École Polytechnique Fédérale de Lausanne

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Thomas Devogele

François Rabelais University

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Mohammed Minout

Université libre de Bruxelles

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Corinne Plazanet

École Polytechnique Fédérale de Lausanne

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