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Book
688views
15 years 7 months ago
Database Management Systems
A set of presentations covering the book, which includes the following topics ER Model and Conceptual Design, The Relational Model and SQL DDL, Relational Algebra, SQL, Database Ap...
Raghu Ramakrishnan, Johannes Gehrke
VLDB
2007
ACM
126views Database» more  VLDB 2007»
14 years 9 months ago
SOR: A Practical System for Ontology Storage, Reasoning and Search
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
Chen Wang, Jean-Sébastien Brunner, Jing Lu,...
MUC
1992
14 years 1 months ago
GE NLToolset: description of the system as used for MUC-4
The GE NLTooLsET is a set of text interpretation tools designed to be easily adapted to new domains. This report summarizes the system and its performance on the MUG-4 task . INTR...
George B. Krupka, Paul S. Jacobs, Lisa F. Rau, Loi...
CIKM
2006
Springer
14 years 25 days ago
Constrained subspace skyline computation
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...
Evangelos Dellis, Akrivi Vlachou, Ilya Vladimirski...
VLDB
2004
ACM
103views Database» more  VLDB 2004»
14 years 2 months ago
Distributed Set Expression Cardinality Estimation
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
Abhinandan Das, Sumit Ganguly, Minos N. Garofalaki...