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» A System for Semantic Query Optimization
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ER
1998
Springer
145views Database» more  ER 1998»
14 years 14 days ago
Design and Analysis of Quality Information for Data Warehouses
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
Manfred A. Jeusfeld, Christoph Quix, Matthias Jark...
ICDE
2007
IEEE
153views Database» more  ICDE 2007»
14 years 2 months ago
An Indexing Structure for Automatic Schema Matching
Querying semantically related data sources depends on the ability to map between their schemas. Unfortunately, in most cases matching between schema is still largely performed man...
Fabien Duchateau, Zohra Bellahsene, Mark Roantree,...
ACMICEC
2006
ACM
141views ECommerce» more  ACMICEC 2006»
14 years 2 months ago
From HTML documents to web tables and rules
We present a browser-extending Semantic Web extraction system that maps HTML documents to tables and, where possible, to rules. First, the basic data extractor ViPER distills and ...
Kai Simon, Georg Lausen, Harold Boley
JAPLL
2008
121views more  JAPLL 2008»
13 years 8 months ago
Reasoning with prioritized information by iterative aggregation of distance functions
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
Ofer Arieli
JASIS
2000
120views more  JASIS 2000»
13 years 8 months ago
Probabilistic datalog: Implementing logical information retrieval for advanced applications
In the logical approach to information retrieval (IR), retrieval is considered as uncertain inference. Whereas classical IR models are based on propositional logic, we combine Dat...
Norbert Fuhr