689 search results - page 28 / 138 » Probabilistic skyline queries |
EDBT
2009
ACM
14 years 2 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...
SIGIR
2006
ACM
14 years 1 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...
ACL
2009
13 years 5 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...
ICDE
2009
IEEE
14 years 2 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...
CORR
2008
Springer
13 years 7 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...