18188 search results - page 3321 / 3638 » Evaluation for Collaborative Systems |
331
click to vote
POPL
2004
ACM
16 years 7 months ago
2004
ACM
We show how some classical static analyses for imperative programs, and the optimizing transformations which they enable, may be expressed and proved correct using elementary logi...
275
click to vote
SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
283
click to vote
SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
255
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
242
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...