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Modeling Spatial Data in the MADS Conceptual Model

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Spatio-Temporal Conceptual Models: Data Structures + Space + Time

Stefano Spaccapietra, Christine Parent

Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be found in Geographic Information Systems (GIS), in some DBMS, or in the research ...

1999

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

Modelling global behaviour with scenarios in object-oriented analysis

The first object-oriented analysis methods focused on the specification of the classes of a system and on the static relationships between them. Dynamic relationships between classes and the functional view of the system as a whole were neglected, and no m ...

EPFL1997

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