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» Semantics of Database Transformations
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ICDE
2003
IEEE
127views Database» more  ICDE 2003»
16 years 6 months ago
Web Information Acquisition with Lixto Suite
We demonstrate the Lixto Suite, a web data extraction and transformation software kit for retrieving and converting information from various sources to various customer devices. W...
Robert Baumgartner, Michal Ceresna, Georg Gottlob,...
VLDB
1990
ACM
111views Database» more  VLDB 1990»
15 years 8 months ago
On Restructuring Nested Relations in Partitioned Normal Form
Relations in partitioned normal form are an important subclass of nested relations. This paper is concerned with the problem of restructuring relations in partitioned normal form ...
Guy Hulin
ICDT
2010
ACM
180views Database» more  ICDT 2010»
16 years 2 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
ER
2007
Springer
128views Database» more  ER 2007»
15 years 11 months ago
Dynamic Modeling of Trajectory Patterns using Data Mining and Reverse Engineering
The constant increase of moving object data imposes the need for modeling, processing, and mining trajectories, in order to find and understand the patterns behind these data. Ex...
Luis Otávio Alvares, Vania Bogorny, Jos&eac...
LREC
2010
135views Education» more  LREC 2010»
15 years 6 months ago
A Tool for Linking Stems and Conceptual Fragments to Enhance word Access
Electronic dictionaries offer many possibilities unavailable in paper dictionaries to view, display or access information. However, even these resources fall short when it comes t...
Nuria Gala, Véronique Rey, Michael Zock