3456 search results - page 213 / 692 » Semantics in Spatial Databases |
122
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COSIT
2001
Springer
15 years 7 months ago
2001
Springer
Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical spac...
194
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ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
We present a system that optimizes sequences of related client requests by combining small requests into larger ones, thus reducing per-request overhead. The system predicts upcom...
DEXAW
2007
IEEE
15 years 8 months ago
2007
IEEE
In this paper we give an overview of methods to find representations of ontology defined concepts in texts. We distinguish two approaches: lexicon-based methods and approaches u...
110
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VLDB
2005
ACM
15 years 8 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
116
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SYRCODIS
2008
15 years 3 months ago
2008
Issues related to updating data in native XML database systems are studied extensively nowadays. In this work we consider a problem of updating typed XML documents having their sc...