757 search results - page 50 / 152 » Topical query decomposition |
158
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ODBIS
2007
Springer
15 years 10 months ago
2007
Springer
Supporting SPARQL queries over relational databases becomes an active topic recently. However, it has not received enough consideration when SPARQL queries include restrictions on...
120
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CIKM
2003
Springer
15 years 9 months ago
2003
Springer
Traffic analysis, in the context of Telecommunications or Internet and Web data, is crucial for large network operations. Data in such networks is often provided as large graphs w...
187
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COMGEO
2002
ACM
15 years 3 months ago
2002
ACM
We present a quadtree-based decomposition of the interior of a polygon with holes. The complete decomposition yields a constant factor approximation of the minimum weight Steiner ...
136
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AAAI
2011
14 years 4 months ago
2011
Many algorithms for performing inference in graphical models have complexity that is exponential in the treewidth - a parameter of the underlying graph structure. Computing the (m...
115
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RIAO
2004
15 years 5 months ago
2004
We present some of the technology developed at StreamSage for indexing and retrieving audio/video data. A primary difficulty of this task is precise extraction of the passages rel...