5746 search results - page 468 / 1150 » Visualizing Query Structure |
172
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WEBDB
2005
Springer
16 years 1 months ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
227
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IC
2007
15 years 9 months ago
2007
Abstract XML databases, providing structural querying support, are becoming more and more popular. As we know, XML data may change over time and providing an efficient support to q...
224
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AAAI
1990
15 years 8 months ago
1990
The Symbolic Probabilistic Inference (SPI) Algorithm [D'Ambrosio, 19891 provides an efficient framework for resolving general queries on a belief network. It applies the conc...
210
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
211
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CORR
2012
Springer
14 years 3 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...