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DEXA
2001
Springer
14 years 1 months ago
2001
Springer
In this paper we investigate various aspects of representing multidimensional information in the frame of the WWW. Multidimensional XML (MXML) is an extension of XML suitable for r...
PODS
1998
ACM
14 years 1 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
It is today widely acceptedthat "Business Rules Independence" is required for information systemsto better and more rapidly adjust to changesin thebusinessenvironment,Th...
ICDT
1997
ACM
14 years 1 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
ICDE
1993
IEEE
14 years 1 months ago
1993
IEEE
The IsaLog model and language are presented. The model has complex objects with classes, relations, and isa hierarchies. The language is strongly typed and declarative. The main i...