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» An Adaptive Query Execution System for Data Integration
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ADL
2000
Springer
284views Digital Library» more  ADL 2000»
15 years 9 months ago
A Boolean Query Processing with a Result Cache in Mediator Systems
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...
Jae-Heon Cheong, Sang-goo Lee
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
16 years 4 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
DLOG
2007
15 years 7 months ago
Retrospective on Clio: Schema Mapping and Data Exchange in Practice
Clio is a joint research project between the University of Toronto and IBM Almaden Research Center started in 1999 to address both foundational and systems issues related to the ma...
Renée J. Miller
ESWA
2008
96views more  ESWA 2008»
15 years 4 months ago
samap: An user-oriented adaptive system for planning tourist visits
In this paper, we present samap, whose goal is to build a software tool to help different people visit different cities. This tool integrates modules that dynamically capture user...
Luis A. Castillo, Eva Armengol, Eva Onaindia, Laur...
VLDB
2007
ACM
102views Database» more  VLDB 2007»
16 years 4 months ago
Randomized Algorithms for Data Reconciliation in Wide Area Aggregate Query Processing
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
Fei Xu, Chris Jermaine