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» Efficiently Querying Relational Databases Using OWL and SWRL
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DASFAA
2003
IEEE
146views Database» more  DASFAA 2003»
15 years 5 months ago
Cost-Driven Storage Schema Selection for XML
Various models and approaches have been proposed for mapping XML data into relational tables recently. Most of those approaches produce relational schema for given XML data, based...
Shihui Zheng, Ji-Rong Wen, Hongjun Lu
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
16 years 1 months ago
A Generic Framework for Continuous Motion Pattern Query Evaluation
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
Petko Bakalov, Vassilis J. Tsotras
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
15 years 11 months ago
Column-stores vs. row-stores: how different are they really?
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
Daniel J. Abadi, Samuel Madden, Nabil Hachem
AAAI
2008
15 years 24 days ago
Querying Sequential and Concurrent Horn Transaction Logic Programs Using Tabling Techniques
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
Paul Fodor
ICDE
1999
IEEE
106views Database» more  ICDE 1999»
16 years 1 months ago
Processing Operations with Restrictions in RDBMS without External Sorting: The Tetris Algorithm
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
Volker Markl, Martin Zirkel, Rudolf Bayer