49 search results - page 6 / 10 » vldb 1995 |
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
In this paper, three techniques to implement logical OIDs are thoroughly evaluated: hashing, B-trees and a technique called direct mapping. Among these three techniques, direct ma...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
We describe an eficient server-based algorithm for garbage collecting object-oriented databases in a client/server environment. The algorithm is incremental and runs concurrently ...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
Scientific data of importance to biologists in the Humitn Genome Project resides not only in conventional da.tabases, but in structured files maintained in a number of different f...