18155 search results - page 3369 / 3631 » Point |
116
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VLDB
1989
ACM
15 years 8 months ago
1989
ACM
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
142
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SPAA
1990
ACM
15 years 8 months ago
1990
ACM
Fractional cascading is a technique designed to allow e cient sequential search in a graph with catalogs of total size n. The search consists of locating a key in the catalogs alo...
111
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VLDB
1990
ACM
15 years 8 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
158
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DEXA
1998
Springer
15 years 8 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
176
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ACMICEC
2007
ACM
15 years 8 months ago
2007
ACM
Purchasing decisions are often strongly influenced by people who the consumer knows and trusts. Moreover, many online shoppers tend to wait for the opinions of early adopters befo...