1160 search results - page 145 / 232 » Query Processing and Optimization for Pictorial Query Trees |
144
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SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
The networking and distributed systems communities have recently explored a variety of new network architectures, both for applicationlevel overlay networks, and as prototypes for...
CIKM
2007
Springer
15 years 4 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
81
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DOCENG
2004
ACM
15 years 3 months ago
2004
ACM
XPath [16] was introduced by the W3C as a standard language for specifying node selection, matching conditions, and for computing values from an XML document. XPath is now used in...
63
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WWW
2008
ACM
15 years 11 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
90
Voted
ICDE
2006
IEEE
15 years 4 months ago
2006
IEEE
It has been well recognized that data mining is an interactive and iterative process. In order to support this process, one of the long-term goals of data mining research has been...