Sciweavers

217 search results - page 1 / 44
» Query Execution Techniques for Caching Expensive Methods
Sort
View
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
13 years 9 months ago
Query Execution Techniques for Caching Expensive Methods
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...
Joseph M. Hellerstein, Jeffrey F. Naughton
ICDE
2001
IEEE
141views Database» more  ICDE 2001»
14 years 6 months ago
Processing Queries with Expensive Functions and Large Objects in Distributed Mediator Systems
LeSelect is a mediator system which allows scientists to publish their resources (data and programs) so they can be transparently accessed. The scientists can typically issue quer...
Fabio Porto, Françoise Fabret, Luc Bouganim...
PODS
2007
ACM
151views Database» more  PODS 2007»
14 years 5 months ago
Optimization of continuous queries with shared expensive filters
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
Kamesh Munagala, Utkarsh Srivastava, Jennifer Wido...
PVLDB
2010
129views more  PVLDB 2010»
13 years 3 months ago
iGraph: A Framework for Comparisons of Disk-Based Graph Indexing Techniques
Graphs are of growing importance in modeling complex structures such as chemical compounds, proteins, images, and program dependence. Given a query graph Q, the subgraph isomorphi...
Wook-Shin Han, Jinsoo Lee, Minh-Duc Pham, Jeffrey ...