3969 search results - page 643 / 794 » Query Processing Using Ontologies |
133
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
As mobile devices with positioning capabilities continue to proliferate, data management for so-called trajectory databases that capture the historical movements of populations of...
137
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TKDE
2008
15 years 4 months ago
2008
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision making, reasoning, and analysis. Raw input about unf...
175
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MIR
2004
ACM
15 years 10 months ago
2004
ACM
This paper describes revised content-based search experiments in the context of TRECVID 2003 benchmark. Experiments focus on measuring content-based video retrieval performance wi...
141
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
Due to the rapid growth in the size of the web, web search engines are facing enormous performance challenges. The larger engines in particular have to be able to process tens of ...
134
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
We propose the study of visibly pushdown automata (Vpa) for processing XML documents. Vpas are pushdown automata where the input determines the stack operation, and XML documents ...