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» Fuzzy queries and relational databases
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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
14 years 7 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
ADC
2005
Springer
114views Database» more  ADC 2005»
14 years 1 months ago
Optimization of Relational Preference Queries
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
Bernd Hafenrichter, Werner Kießling
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
14 years 9 months ago
On Pushing Multilingual Query Operators into Relational Engines
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
A. Kumaran, Pavan K. Chowdary, Jayant R. Haritsa
PODS
2009
ACM
113views Database» more  PODS 2009»
14 years 8 months ago
Relative information completeness
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
Wenfei Fan, Floris Geerts
WWW
2006
ACM
14 years 8 months ago
FLUX: fuzzy content and structure matching of XML range queries
An XML range query may impose predicates on the numerical or textual contents of the elements and/or their respective path structures. In order to handle content and structure ran...
Hua-Gang Li, S. Alireza Aghili, Divyakant Agrawal,...