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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 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
EDBT
2006
ACM
136views Database» more  EDBT 2006»
16 years 7 months ago
Optimizing Monitoring Queries over Distributed Data
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
Frank Neven, Dieter Van de Craen
ADC
2005
Springer
114views Database» more  ADC 2005»
16 years 13 days 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
SSD
2001
Springer
145views Database» more  SSD 2001»
15 years 11 months ago
Continuous Queries within an Architecture for Querying XML-Represented Moving Objects
The development of spatiotemporal database systems is primarily motivated by applications tracking and presenting mobile objects. Another important trend is the visualization and p...
Thomas Brinkhoff, Jürgen Weitkämper
BIS
2008
114views Business» more  BIS 2008»
15 years 8 months ago
Determining Relevant Deep Web Sites by Query Context Identification
Deep web search requires a transformation between search keywords and semantically described and well-formed data structures. We approached this problem in our "In the Web of ...
Zsolt Tivadar Kardkovács, Domonkos Tikk