392 search results - page 62 / 79 » Modeling and querying probabilistic XML data |
120
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PVLDB
2008
14 years 10 months ago
2008
Keyword search on graph structured data has attracted a lot of attention in recent years. Graphs are a natural "lowest common denominator" representation which can combi...
180
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PODS
2009
ACM
16 years 8 days ago
2009
ACM
In this work we investigate the satisfiability problem for the logic XPath( , , =), that includes all downward axes as well as equality and inequality tests. We address this probl...
SIGIR
2006
ACM
15 years 5 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
SIGIR
2005
ACM
15 years 5 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
SIGIR
2010
ACM
14 years 9 months ago
2010
ACM
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...