Sciweavers

2063 search results - page 325 / 413
» Containment of Aggregate Queries
Sort
View
142
Voted
SIGMOD
2004
ACM
262views Database» more  SIGMOD 2004»
15 years 10 months ago
The Next Database Revolution
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
Jim Gray
PODS
2008
ACM
178views Database» more  PODS 2008»
15 years 10 months ago
The chase revisited
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
Alin Deutsch, Alan Nash, Jeffrey B. Remmel
PLDI
2005
ACM
15 years 3 months ago
Composing security policies with polymer
We introduce a language and system that supports definition and composition of complex run-time security policies for Java applications. Our policies are comprised of two sorts o...
Lujo Bauer, Jay Ligatti, David Walker
CIKM
2004
Springer
15 years 3 months ago
Optimizing web search using web click-through data
The performance of web search engines may often deteriorate due to the diversity and noisy information contained within web pages. User click-through data can be used to introduce...
Gui-Rong Xue, Hua-Jun Zeng, Zheng Chen, Yong Yu, W...
AOSD
2007
ACM
15 years 1 months ago
Using natural language program analysis to locate and understand action-oriented concerns
Most current software systems contain undocumented high-level ideas implemented across multiple files and modules. When developers perform program maintenance tasks, they often wa...
David Shepherd, Zachary P. Fry, Emily Hill, Lori L...