549 search results - page 70 / 110 » Data Expiration and Aggregate Queries |
105
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
123
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
As critical records are increasingly stored in electronic form, which tends to make for easy destruction and clandestine modification, it is imperative that they be properly manag...
119
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ECOOPW
1999
Springer
15 years 4 months ago
1999
Springer
In many application scenarios the database is changing quite rapidly. Because the management of such data is rather expensive and cumbersome, many applications like data warehouse...
117
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DAMON
2006
Springer
15 years 3 months ago
2006
Springer
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...