5954 search results - page 259 / 1191 » Querying Bi-level Information |
324
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
This demonstration program presents the V*-kNN algorithm, an efficient algorithm to process moving k nearest neighbor queries (MkNN). The V*-kNN algorithm is based on a safe-region...
178
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
In this paper, we proposed an online algorithm, called FQT-Stream (Frequent Query Trees of Streams), to mine the set of all frequent tree patterns over a continuous XML data strea...
207
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Ontology languages to represent ontologies exist in large numbers, and users who want to access or reuse ontologies can often be confronted with a language they do not know. Theref...
157
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WOLLIC
2009
Springer
16 years 1 months ago
2009
Springer
In the recent years, query answering over Description Logic (DL) knowledge bases has been receiving increasing attention, and various methods and techniques have been presented for...
159
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ADHOCNOW
2008
Springer
16 years 1 months ago
2008
Springer
Energy-efficient query dissemination plays an important role for the lifetime of sensor networks. In this work, we consider probabilistic flooding for query dissemination and deve...