2987 search results - page 149 / 598 » Multiobjective Query Optimization |
239
click to vote
ICDE
1997
IEEE
16 years 3 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
125
click to vote
CDB
2004
Springer
15 years 7 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
111
click to vote
VLDB
1992
ACM
15 years 5 months ago
1992
ACM
In this paper, we discuss issues involving temporal data fragmentation, temporal query processing, and query optimization in multiprocessor database machines. We propose parallel ...
AAAI
1997
15 years 3 months ago
1997
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
114
click to vote
LATIN
2010
Springer
15 years 8 months ago
2010
Springer
For a static array A of n totally ordered objects, a range minimum query asks for the position of the minimum between two specified array indices. We show how to preprocess A into...