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» An Adaptive Query Execution System for Data Integration
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BNCOD
2003
139views Database» more  BNCOD 2003»
13 years 9 months ago
An Overview about the DynaQuest Framework
The DynaQuest-Framework should reduce the effort for the creation of Internet-based virtual databases. These virtual databases are a special kind of federated database systems whe...
Marco Grawunder
BTW
2003
Springer
128views Database» more  BTW 2003»
14 years 27 days ago
Quality of Service and Optimization in Data Integration Systems
: Due to the ever increasing impacts of globalization, people will/have to work on data which is distributed all around the world [LKK+ 97]. Query processing on the corresponding d...
Reinhard Braumandl
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 7 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
WEBDB
1999
Springer
131views Database» more  WEBDB 1999»
13 years 12 months ago
Adapter Generation for Extracting and Querying Data from Web
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
Kai-Uwe Sattler, Michael Höding
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
13 years 9 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...