Sciweavers

14248 search results - page 1 / 2850
» Queries
Sort
View
ICDE
1996
IEEE
178views Database» more  ICDE 1996»
14 years 5 months ago
Query Folding
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
Xiaolei Qian
VISUAL
1999
Springer
13 years 8 months ago
Query Processing and Optimization for Pictorial Query Trees
Abstract. Methods for processing of pictorial queries speci ed by pictorial query trees are presented. Leaves of a pictorial query tree correspond to individual pictorial queries w...
Aya Soffer, Hanan Samet
PODS
2004
ACM
131views Database» more  PODS 2004»
14 years 4 months ago
On the Decidability of Containment of Recursive Datalog Queries - Preliminary report
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
Piero A. Bonatti
APPROX
2010
Springer
168views Algorithms» more  APPROX 2010»
13 years 6 months ago
Differential Privacy and the Fat-Shattering Dimension of Linear Queries
In this paper, we consider the task of answering linear queries under the constraint of differential privacy. This is a general and well-studied class of queries that captures oth...
Aaron Roth
13
Voted
ISTA
2004
13 years 6 months ago
Query Graph Visualizer: A Collaborative Querying System
: Collaborative querying seeks to help users formulate an accurate query to a search engine by sharing expert knowledge or other users' search experiences. One approach to acc...
Lin Fu, Dion Hoe-Lian Goh, Schubert Shou-Boon Foo,...