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IDEAS
2005
IEEE
93views Database» more  IDEAS 2005»
15 years 10 months ago
Semantic Query Transformation Using Ontologies
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
Chokri Ben Necib, Johann Christoph Freytag
WEBDB
2000
Springer
120views Database» more  WEBDB 2000»
15 years 8 months ago
Quilt: An XML Query Language for Heterogeneous Data Sources
The World Wide Web promises to transform human society by making virtually all types of information instantly available everywhere. Two prerequisites for this promise to be realiz...
Donald D. Chamberlin, Jonathan Robie, Daniela Flor...
160
Voted
IS
2007
15 years 4 months ago
Evaluation of probabilistic queries over imprecise data in constantly-evolving environments
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
Reynold Cheng, Dmitri V. Kalashnikov, Sunil Prabha...
DASFAA
2007
IEEE
114views Database» more  DASFAA 2007»
15 years 10 months ago
A Workload-Driven Unit of Cache Replacement for Mid-Tier Database Caching
Making multi-terabyte scientific databases publicly accessible over the Internet is increasingly important in disciplines such as Biology and Astronomy. However, contention at a c...
Xiaodan Wang, Tanu Malik, Randal C. Burns, Stratos...
IDEAS
2007
IEEE
107views Database» more  IDEAS 2007»
15 years 10 months ago
Examining the Performance of a Constraint-Based Database Cache
Constraint-based database caching aims at correctly answering SQL query predicates from a local cache database by exploiting constraints that have previously been used in selectin...
Andreas Bühmann, Joachim Klein 0002