Sciweavers

6846 search results - page 431 / 1370
» Querying a summary of database
Sort
View
DASFAA
1995
IEEE
118views Database» more  DASFAA 1995»
15 years 10 months ago
Combining Indexing Technique with Path Dictionary for Nested Object Queries
A path dictionary encodes the connections among objects in the aggregation hierarchy. It has been shown to be an efficient mechanism for supporting nested object queries [6]. In t...
Wang-Chien Lee, Dik Lun Lee
ICDE
2010
IEEE
172views Database» more  ICDE 2010»
16 years 1 months ago
Rule profiling for query optimizers and their implications
—Many modern optimizers use a transformation rule based framework. While there has been a lot of work on identifying new transformation rules, there has been little work focused ...
Surajit Chaudhuri, Leo Giakoumakis, Vivek R. Naras...
ISCIS
2005
Springer
16 years 11 days ago
Recursive Lists of Clusters: A Dynamic Data Structure for Range Queries in Metric Spaces
We introduce a novel data structure for solving the range query problem in generic metric spaces. It can be seen as a dynamic version of the List of Clusters data structure of Ch´...
Margarida Mamede
VLDB
2005
ACM
85views Database» more  VLDB 2005»
16 years 10 days ago
A Faceted Query Engine Applied to Archaeology
In this demonstration, we describe a system for storing and querying faceted hierarchies. We have developed a general faceted domain model and a query language for hierarchically ...
Kenneth A. Ross, Angel Janevski, Julia Stoyanovich
SIGIR
2006
ACM
16 years 24 days ago
Distributed query sampling: a quality-conscious approach
We present an adaptive distributed query-sampling framework that is quality-conscious for extracting high-quality text database samples. The framework divides the query-based samp...
James Caverlee, Ling Liu, Joonsoo Bae