929 search results - page 90 / 186 » Answering imprecise database queries: a novel approach |
SSDBM
2008
IEEE
15 years 6 months ago
2008
IEEE
Bitmap indexes are known to be efficient for ad-hoc range queries that are common in data warehousing and scientific applications. However, they suffer from the curse of cardina...
ICDT
2009
ACM
15 years 6 months ago
2009
ACM
Managing inconsistency in databases has long been recognized as an important problem. One of the most promising approaches to coping with inconsistency in databases is the framewo...
177
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SIGMOD
2006
ACM
16 years 1 days 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 ...
126
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CORR
2011
Springer
14 years 7 months ago
2011
Springer
We study in this paper provenance information for queries with aggregation. Provenance information was studied in the context of various query languages that do not allow for aggr...
109
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BMCBI
2010
15 years 18 hour ago
2010
Background: Microarray experiments have become very popular in life science research. However, if such experiments are only considered independently, the possibilities for analysi...