627 search results - page 18 / 126 » Efficient Top-k Query Evaluation on Probabilistic Data |
152
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...
PODS
2008
ACM
15 years 9 months ago
2008
ACM
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
155
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ICDE
2002
IEEE
15 years 10 months ago
2002
IEEE
Modern relational database systems are beginning to support ad hoc queries on mining models. In this paper, we explore novel techniques for optimizing queries that apply mining mo...
VLDB
2004
ACM
15 years 2 months ago
2004
ACM
We investigate the problem of ranking answers to a database query when many tuples are returned. We adapt and apply principles of probabilistic models from Information Retrieval f...
PVLDB
2008
14 years 9 months ago
2008
We study the problem of efficiently evaluating similarity queries on histories, where a history is a d-dimensional time