689 search results - page 28 / 138 » Probabilistic skyline queries |
155
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
135
Voted
SIGIR
2006
ACM
15 years 9 months ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
151
Voted
ACL
2009
15 years 1 months ago
2009
We present a novel approach to parse web search queries for the purpose of automatic tagging of the queries. We will define a set of probabilistic context-free rules, which genera...
152
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ICDE
2009
IEEE
15 years 10 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
141
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CORR
2008
Springer
15 years 3 months ago
2008
Springer
Abstract. We study here fundamental issues involved in top-k query evaluation in probabilistic databases. We consider simple probabilistic databases in which probabilities are asso...