588 search results - page 90 / 118 » Positive higher-order queries |
119
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LICS
2009
IEEE
15 years 10 months ago
2009
IEEE
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
149
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WEBDB
2009
Springer
15 years 10 months ago
2009
Springer
The ubiquitous adoption of XML as the standard of data exchange over the web has led to increased interest in building efficient and scalable XML publish-subscribe (pub-sub) syste...
134
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WEBDB
2009
Springer
15 years 10 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
159
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WEBI
2009
Springer
15 years 10 months ago
2009
Springer
: Data mining is the process of posing queries and extracting patterns, often previously unknown from large quantities of data using pattern matching or other reasoning techniques....
111
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
While numerous metrics for information retrieval are available in the case of binary relevance, there is only one commonly used metric for graded relevance, namely the Discounted ...