2223 search results - page 399 / 445 » Query Optimization in an OODBMS |
129
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EDBT
2009
ACM
15 years 5 months ago
2009
ACM
Given a set P of products, a set O of customers, and a product p P, a bichromatic reverse skyline query retrieves all the customers in O that do not find any other product in P t...
115
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DILS
2006
Springer
15 years 5 months ago
2006
Springer
Life science researchers want biological information in their interest to become available to them as soon as possible. A monitoring system is a solution that relieves biologists f...
116
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SIGMOD
1995
ACM
15 years 5 months ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
105
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VLDB
1987
ACM
15 years 5 months ago
1987
ACM
: A buffer is a main-memory area used to reduce accessto disks. The buffer holds pages from secondary storage files. A processrequesting a page causesa fault if the pageis not in t...
118
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EDBT
2010
ACM
15 years 5 months ago
2010
ACM
The specification of schema mappings has proved to be time and resource consuming, and has been recognized as a critical bottleneck to the large scale deployment of data integrati...