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» Recursive Query Plans for Data Integration
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VLDB
2001
ACM
108views Database» more  VLDB 2001»
15 years 4 months ago
Hyperqueries: Dynamic Distributed Query Processing on the Internet
In this paper we propose a new framework for dynamic distributed query processing based on so-called HyperQueries which are essentially query evaluation sub-plans “sitting behin...
Alfons Kemper, Christian Wiesner
EDBT
2006
ACM
127views Database» more  EDBT 2006»
15 years 11 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
ICDE
2008
IEEE
167views Database» more  ICDE 2008»
16 years 1 months ago
Towards Declarative Queries on Adaptive Data Structures
In this work we look at combining emerging technologies in programming languages with traditional query processing techniques to provide support for efficient execution of declarat...
Nicolas Bruno, Pablo Castro
SSDBM
2008
IEEE
113views Database» more  SSDBM 2008»
15 years 6 months ago
Query Selectivity Estimation for Uncertain Data
Applications requiring the handling of uncertain data have led to the development of database management systems extending the scope of relational databases to include uncertain (p...
Sarvjeet Singh, Chris Mayfield, Rahul Shah, Sunil ...
VLDB
1997
ACM
117views Database» more  VLDB 1997»
15 years 3 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...