1832 search results - page 183 / 367 » Querying RDF Data Using A Multigraph-based Approach |
284
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We study the scalable management of XML data in P2P networks based on distributed hash tables (DHTs). We identify performance limitations in this context, and propose an array of t...
147
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ER
2004
Springer
15 years 12 months ago
2004
Springer
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
220
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IIWAS
2004
15 years 7 months ago
2004
Abstract: To enable efficient access to multimedia content, the media data has to be augmented by semantic metadata and functionality. The semantic representation has to be integra...
221
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ADHOCNOW
2008
Springer
15 years 7 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
194
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ER
2004
Springer
15 years 12 months ago
2004
Springer
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...