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SSDBM
2002
IEEE
109views Database» more  SSDBM 2002»
15 years 2 months ago
Query Processing with Description Logic Ontologies Over Object-Wrapped Databases
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...
Martin Peim, Enrico Franconi, Norman W. Paton, Car...
DBPL
2001
Springer
167views Database» more  DBPL 2001»
15 years 2 months ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
TPHOL
1999
IEEE
15 years 1 months ago
Disjoint Sums over Type Classes in HOL
The standard versions of HOL only support disjoint sums over finite families of types. This paper introduces disjoint sums over type classes containing possibly a countably infinit...
Norbert Völker
DBPL
1993
Springer
104views Database» more  DBPL 1993»
15 years 1 months ago
Extensible Grammars for Language Specialization
A frequent dilemma in the design of a database programming language is the choice between a language with a rich set of tailored notations for schema definitions, query expression...
Luca Cardelli, Florian Matthes, Martín Abad...
CIKM
2008
Springer
14 years 11 months ago
MashQL: a query-by-diagram topping SPARQL
This article is motivated by the importance of building web data mashups. Building on the remarkable success of Web 2.0 mashups, and specially Yahoo Pipes, we generalize the idea ...
Mustafa Jarrar, Marios D. Dikaiakos