52 search results - page 5 / 11 » Towards a uniform relational semantics for tabular expressio... |
DATAMINE
1998
14 years 9 months ago
1998
Data mining evolved as a collection of applicative problems and efficient solution algorithms relative to rather peculiar problems, all focused on the discovery of relevant infor...
FOIS
2006
14 years 11 months ago
2006
A critical problem for practical KR is dealing with relationships that change over time. This problem is compounded by representation languages such as OWL that are biased towards ...
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DLOG
2010
14 years 7 months ago
2010
Multiple distributed and modular ontology representation frameworks have recently appeared. They typically extend Description Logics (DL), with new constructs to represent relation...
DBPL
1991
Springer
15 years 1 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
EDBT
2000
ACM
15 years 1 months ago
2000
ACM
the research activities. This abstract is to introduce the approach of a data model - EP data model. Its data structure is able to store as a finite set of nodes arbitrary effectiv...