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» Optimization of Relational Preference Queries
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JASIS
2007
132views more  JASIS 2007»
13 years 7 months ago
Automatic multidocument summarization of research abstracts: Design and user evaluation
sets of research abstracts that may be retrieved by a digital library or search engine in response to a user query. y dissertation abstracts were selected as the sample domain in t...
Shiyan Ou, Christopher S. G. Khoo, Dion Hoe-Lian G...
DLOG
2009
13 years 5 months ago
Reasoning About Typicality in ALC and EL
In this work we summarize our recent results on extending Description Logics for reasoning about prototypical properties and inheritance with exceptions. First, we focus our attent...
Laura Giordano, Valentina Gliozzi, Nicola Olivetti...
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
14 years 7 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
ICDE
2003
IEEE
139views Database» more  ICDE 2003»
14 years 9 months ago
Super-Fast XML Wrapper Generation in DB2: A Demonstration
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
Vanja Josifovski, Sabine Massmann, Felix Naumann
ECCV
2004
Springer
14 years 9 months ago
An Information-Based Measure for Grouping Quality
We propose a method for measuring the quality of a grouping result, based on the following observation: a better grouping result provides more information about the true, unknown g...
Erik A. Engbers, Michael Lindenbaum, Arnold W. M. ...