333 search results - page 19 / 67 » Read-Once Functions and Query Evaluation in Probabilistic Da... |
105
Voted
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
We present PROUD - A PRObabilistic approach to processing similarity queries over Uncertain Data streams, where the data streams here are mainly time series streams. In contrast t...
105
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VLDB
2007
ACM
15 years 5 months ago
2007
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this paper, we initiate research on the anytime b...
176
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
95
Voted
ICMCS
2005
IEEE
15 years 5 months ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
104
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DEXA
2000
Springer
15 years 3 months ago
2000
Springer
This paper is mainly concerned with the extension of database management systems querying capabilities, so that users may address queries involving preferences and get discriminate...