Sciweavers

9683 search results - page 181 / 1937
» Query performance prediction
Sort
View
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
15 years 7 months ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
15 years 6 months ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee
GPCE
2008
Springer
15 years 3 months ago
Generating incremental implementations of object-set queries
High-level query constructs help greatly improve the clarity of programs and the productivity of programmers, and are being introduced to increasingly more languages. However, the...
Tom Rothamel, Yanhong A. Liu
TSC
2010
182views more  TSC 2010»
14 years 9 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...
SSD
2009
Springer
180views Database» more  SSD 2009»
15 years 9 months ago
Indexing Moving Objects Using Short-Lived Throwaway Indexes
With the exponential growth of moving objects data to the Gigabyte range, it has become critical to develop effective techniques for indexing, updating, and querying these massive ...
Jens Dittrich, Lukas Blunschi, Marcos Antonio Vaz ...