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ICDE
1998
IEEE
13 years 9 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
Traditional Event-Condition-Action triggers (active database rules) include a Boolean predicate as a trigger condition. We propose fuzzy triggers whereby fuzzy inference is utiliz...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...