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» Optimization of Relational Preference Queries
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ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
14 years 4 months ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...
ICEBE
2005
IEEE
140views Business» more  ICEBE 2005»
14 years 3 months ago
Managing E-Commerce Catalogs in a DBMS with Native XML Support
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
Lipyeow Lim, Min Wang
PPDP
2010
Springer
13 years 8 months ago
Deriving predicate statistics in datalog
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
Senlin Liang, Michael Kifer
DASFAA
2010
IEEE
190views Database» more  DASFAA 2010»
14 years 2 months ago
k-Selection Query over Uncertain Data
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
Xingjie Liu, Mao Ye, Jianliang Xu, Yuan Tian, Wang...
UAI
2001
13 years 11 months ago
UCP-Networks: A Directed Graphical Representation of Conditional Utilities
We propose a directed graphical representation of utility functions, called UCP-networks, that combines aspects of two existing preference models: generalized additive models and ...
Craig Boutilier, Fahiem Bacchus, Ronen I. Brafman