1888 search results - page 168 / 378 » Algorithms for Querying by Spatial Structure |
177
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ADBIS
2007
Springer
16 years 1 months ago
2007
Springer
This paper describes a new XML compression scheme that offers both high compression ratios and short query response time. Its core is a fully reversible transform featuring substit...
183
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SAC
2009
ACM
15 years 11 months ago
2009
ACM
The XML has undoubtedly become a standard for data representation and manipulation. But most of XML documents are still created without the respective description of their structu...
199
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CIKM
2008
Springer
15 years 9 months ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
185
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CCCG
2008
15 years 8 months ago
2008
Given a set of n points P = {p1, p2, . . . , pn} in the plane, we show how to preprocess P such that for any query line segment L we can report in O(log n) time the smallest enclo...
271
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...