117 search results - page 9 / 24 » Relation Algebra Operations on Formal Contexts |
FOIKS
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is on query modification: ...
MPC
2010
Springer
15 years 2 months ago
2010
Springer
d Abstract) Jane Hillston Laboratory for Foundations of Computer Science, The University of Edinburgh, Scotland Quantitative Analysis Stochastic process algebras extend classical p...
105
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SEMWEB
2009
Springer
15 years 2 months ago
2009
Springer
Abstract—For many tasks, such as the integration of knowledge bases in the semantic web, one must not only handle the knowledge itself, but also characterizations of this knowled...
173
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
ER
2007
Springer
15 years 1 months ago
2007
Springer
This paper presents a methodology to derive views over a relational database by applying a sequence of appropriately defined operations to the global schema. Such tailoring and com...