627 search results - page 12 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
JASIS
2010
14 years 8 months ago
2010
Ranking information retrieval (IR) systems with respect to their effectiveness is a crucial operation during IR evaluation, as well as during data fusion. This paper offers a no...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path-patt...
83
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CORR
2012
Springer
13 years 5 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...
107
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SIGMOD
2011
ACM
14 years 7 days ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
CDB
2004
Springer
15 years 1 months ago
2004
Springer
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...