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Semantic validation in spatio-temporal schema integration

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Database Integration: an Overview of Issues and Approaches

Stefano Spaccapietra, Christine Parent

In many large companies the widespread usage of computers has led a number of different application-specific databases to be installed. As company structures evolve, boundaries between departments move, creating new business units. Their new applications w ...

1998

Modeling Spatial Data in the MADS Conceptual Model

Stefano Spaccapietra, Christine Parent, Christelle Vangenot, Pier Donini

Despite the well-established benefits of conceptual modeling for application design, current spatio-temporal conceptual models do not cope satisfactorily with designers' requirements. In this paper we first identify the goals of a spatio-temporal conceptua ...

1998

On Spatial Database Integration

Stefano Spaccapietra, Christine Parent

This paper investigates the problems that arise when application requirements command that autonomous spatial databases be integrated into a federated one. The paper focuses on the most critical issues raised by the integration of databases of different sc ...

1998

Modeling Time from a Conceptual Perspective

Stefano Spaccapietra, Christine Parent

Although many temporal models have been proposed in the literature, there is still need for a conceptual model capturing the essential semantics of time-varying information that is free of implementation concerns. This paper first discusses important crite ...

1998

Conceptual Modeling for Federated Geographical Information Systems over the Web

Stefano Spaccapietra, Christine Parent

A conceptual model provides the best support for federating heterogeneous datastores into a unified framework and elaborating a global consistent description of all available data. It therefore plays a central role for exchange of information within the co ...

1997

ERC+: an object + Relationship Environment for Database Applications

Stefano Spaccapietra, Christine Parent

The concepts of object oriented data models aim towards modeling of application objects close to the user's view. Yet developers of applications relying on object oriented database management systems are facing problems resulting from the limitations of ob ...

IEEE CS Press1995

SUPER: Visual Interfaces for Object + Relationship Data Models

Stefano Spaccapietra, Marc Gentile

SUPER is an exploratory project into the next generation of user-DBMS interfaces. Its main objective is to demonstrate that a visual paradigm can lead to powerful and user-friendly interfaces supporting all phases of the database life cycle (i.e. creation, ...

1995

Improving Object-Oriented Analysis

This paper evaluates current object-oriented analysis methods and proposes some possible improvements. We start by describing software requirements definition activities and reviewing the concepts of data modeling and object-orientation. We then identify k ...

1994