394 search results - page 10 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
PODS
2010
ACM
14 years 17 days ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
DASFAA
2009
IEEE
13 years 11 months ago
2009
IEEE
We investigate the expressiveness of existing XML keyword search semantics and propose Meaningful Connected Network (MCN) as a new semantics to capture meaningful relationships of ...
VLDB
2001
ACM
13 years 12 months ago
2001
ACM
We explore a new proxy-caching framework that exploits the query semantics of HTML forms. We identify a common class of form-based queries, and study two representative caching sc...
FLAIRS
2007
13 years 9 months ago
2007
This work addresses the issue of prioritized reasoning in the context of logic programming. The case of preference conditions involving atoms is considered and a refinement of th...