39 search results - page 4 / 8 » Top-k selection queries over relational databases: Mapping s... |
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
EDBT
2010
ACM
14 years 18 days ago
2010
ACM
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
SIGMOD
1996
ACM
13 years 10 months ago
1996
ACM
The constructionof high-performance databasesystems that combine the best aspects of the relational and object-oriented approaches requires the design of client-server architectur...
SSDBM
2003
IEEE
13 years 11 months ago
2003
IEEE
Accessing data stored in persistent memory represents a bottleneck for current visual exploration applications. Semantic caching of frequent queries at the client-side along with ...
GIS
2007
ACM
14 years 6 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...