This paper intends to classify, review, and compare the existing languages for the specification of spatial integrity constraints at the conceptual level. We classify these languag...
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
Abstract. Over the past years, a number of increasingly expressive languages for modelling constraint and optimisation problems have evolved. In developing a strategy to ease the c...
Any implementation of an information system must ensure that an operation is only applied if its execution does not lead to a violation of any of the integrity constraints defined ...