1500 search results - page 59 / 300 » Query Optimization in Database Grid |
ICDT
1999
ACM
14 years 1 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
—Many modern optimizers use a transformation rule based framework. While there has been a lot of work on identifying new transformation rules, there has been little work focused ...
ER
2004
Springer
14 years 2 months ago
2004
Springer
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...