250 search results - page 17 / 50 » Tree pattern query minimization |
CIT
2006
Springer
15 years 1 months ago
2006
Springer
Radio Frequency Identification (RFID) is slated to become a standard for tagging various products. As more and more products become RFID enabled, fast tag identification mechanism...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
102
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BDA
2001
14 years 11 months ago
2001
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
96
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CORIA
2007
14 years 11 months ago
2007
In this paper, we propose a fuzzy model to querying the XML documents, by taking into account not only the document contents, but also their structure. The concept of minimal size ...
75
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CORR
2012
Springer
13 years 5 months ago
2012
Springer
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the classical model where the d...