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LICS
2012
IEEE
11 years 11 months ago
Graph Logics with Rational Relations and the Generalized Intersection Problem
Abstract—We investigate some basic questions about the interaction of regular and rational relations on words. The primary motivation comes from the study of logics for querying ...
Pablo Barceló, Diego Figueira, Leonid Libki...
SIGIR
1996
ACM
14 years 24 days ago
Retrieval of Complex Objects Using a Four-Valued Logic
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
Thomas Rölleke, Norbert Fuhr
DILS
2005
Springer
14 years 2 months ago
The Multiple Roles of Ontologies in the BioMediator Data Integration System
BioMediator is a data integration system that provides a common interface to multiple Internet-accessible databases containing information about genetics and molecular biology. Ont...
Peter Mork, Ron Shaker, Peter Tarczy-Hornoch
SIGMOD
1990
ACM
122views Database» more  SIGMOD 1990»
14 years 20 days ago
Access Support in Object Bases
In this work access support relataons are introduced as a means for optlmizmg query processing m object-oriented database systems The general idea 1s to mamtam redundant separate ...
Alfons Kemper, Guido Moerkotte
DMKD
2000
ACM
110views Data Mining» more  DMKD 2000»
14 years 1 months ago
Combining Strategies for Extracting Relations from Text Collections
Text documents often contain valuable structured data that is hidden in regular English sentences. This data is best exploited if available as a relational table that we could use...
Eugene Agichtein, Eleazar Eskin, Luis Gravano