4137 search results - page 344 / 828 » Managing Expressions as Data in Relational Database Systems |
242
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GIS
2006
ACM
16 years 7 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
194
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DEXAW
2010
IEEE
15 years 7 months ago
2010
IEEE
In this paper, we describe our work in progress in the scope of information retrieval exploiting the spatial data extracted from web documents. We discuss problems of a search for ...
182
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ECAI
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
193
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SEMWEB
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Most Semantic Web applications are build on top of technology based on the Semantic Web layer cake and the W3C ontology languages RDF(S) and OWL. However RDF(S) embodies ...
187
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Many applications in analytical domains often have the need to "connect the dots" i.e., query about the structure of data. In bioinformatics for example, it is typical t...