410 search results - page 39 / 82 » Optimizing Queries with Materialized Views |
DAWAK
2000
Springer
15 years 2 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
SIGMOD
2002
ACM
15 years 9 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
SIGMOD
1996
ACM
15 years 1 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
WIAMIS
2009
IEEE
15 years 4 months ago
2009
IEEE
Multimedia data collections immersed into social networks may be explored from the point of view of varying documents and users characteristics. In this paper, we develop a unifi...