861 search results - page 134 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
ICLP
2005
Springer
15 years 3 months ago
2005
Springer
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
ADC
2004
Springer
15 years 3 months ago
2004
Springer
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
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CIKM
2008
Springer
14 years 11 months ago
2008
Springer
We propose a novel conception language for exploring the results retrieved by several internet search services (like search engines) that cluster retrieved documents. The goal is ...
BDA
2007
14 years 11 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...