3514 search results - page 118 / 703 » On Moving Object Queries |
247
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ICDE
2001
IEEE
16 years 6 months ago
2001
IEEE
LeSelect is a mediator system which allows scientists to publish their resources (data and programs) so they can be transparently accessed. The scientists can typically issue quer...
173
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SSDBM
2002
IEEE
15 years 9 months ago
2002
IEEE
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...
148
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PGLDB
2003
15 years 6 months ago
2003
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
130
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TKDE
1998
15 years 4 months ago
1998
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
136
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ISAAC
2004
Springer
15 years 10 months ago
2004
Springer
We consider the problem of dynamically indexing temporal observations about a collection of objects, each observation consisting of a key identifying the object, a list of attribu...