Sciweavers

1588 search results - page 65 / 318
» Consistent query answering in databases
Sort
View
WEBDB
2005
Springer
97views Database» more  WEBDB 2005»
15 years 9 months ago
The Framework of an XML Semantic Caching System
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of caching results...
Wanhong Xu
152
Voted
GIS
1995
ACM
15 years 7 months ago
A Window Retrieval Algorithm for Spatial Databases Using Quadtrees
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
Walid G. Aref, Hanan Samet
VLDB
2005
ACM
133views Database» more  VLDB 2005»
15 years 9 months ago
Caching with 'Good Enough' Currency, Consistency, and Completeness
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
Hongfei Guo, Per-Åke Larson, Raghu Ramakrish...
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
16 years 4 months ago
Constrained Optimalities in Query Personalization
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
Georgia Koutrika, Yannis E. Ioannidis
ISI
2006
Springer
15 years 4 months ago
Database Security Protection Via Inference Detection
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
Yu Chen, Wesley W. Chu