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CORR
2011
Springer
126views Education» more  CORR 2011»
12 years 10 months ago
New Polynomial Classes for Logic-Based Abduction
We address the problem of propositional logic-based abduction, i.e., the problem of searching for a best explanation for a given propositional observation according to a given pro...
Bruno Zanuttini
KBS
2011
116views more  KBS 2011»
13 years 1 months ago
Advanced empirical testing
In today’s industrial applications, we see that knowledge systems are successfully implemented. However, critical domains require the elaborate and thoughtful validation of the ...
Joachim Baumeister
COLING
2010
13 years 1 months ago
Entity Disambiguation for Knowledge Base Population
The integration of facts derived from information extraction systems into existing knowledge bases requires a system to disambiguate entity mentions in the text. This is challengi...
Mark Dredze, Paul McNamee, Delip Rao, Adam Gerber,...
FLAIRS
2009
13 years 3 months ago
A Knowledge Compilation Technique for ALC Tboxes
Knowledge compilation is a common technique for propositional logic knowledge bases. A given knowledge base is transformed into a normal form, for which queries can be answered ef...
Ulrich Furbach, Heiko Günther, Claudia Oberma...
DLOG
2009
13 years 3 months ago
Model-Based Most Specific Concepts in Some Inexpressive Description Logics
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
Felix Distel
DILS
2009
Springer
13 years 3 months ago
Slicing through the Scientific Literature
Abstract. Success in the life sciences depends on access to information in knowledge bases and literature. Finding and extracting the relevant information depends on a user's ...
Christopher J. O. Baker, Patrick Lambrix, Jonas La...
DATESO
2009
121views Database» more  DATESO 2009»
13 years 3 months ago
Translation of Ontology Retrieval Problem into Relational Queries
Ontology as a knowledge base can provide different reasoning tasks, e.g. to check consistency of the ontology or to check whether a resource is instance of a concept or not. In thi...
Jaroslav Pokorný, Jana Pribolová, Pe...
AMSTERDAM
2009
13 years 4 months ago
The Data Complexity of the Syllogistic Fragments of English
Abstract. Pratt and Third's syllogistic fragments of English can be used to capture, in addition to syllogistic reasoning, many other kinds of common sense reasoning, and, in ...
Camilo Thorne, Diego Calvanese
SEMWEB
2010
Springer
13 years 4 months ago
Optimize First, Buy Later: Analyzing Metrics to Ramp-Up Very Large Knowledge Bases
As knowledge bases move into the landscape of larger ontologies and have terabytes of related data, we must work on optimizing the performance of our tools. We are easily tempted t...
Paea LePendu, Natalya Fridman Noy, Clement Jonquet...
NAACL
2010
13 years 4 months ago
Learning to Link Entities with Knowledge Base
This paper address the problem of entity linking. Specifically, given an entity mentioned in unstructured texts, the task is to link this entity with an entry stored in the existi...
Zhicheng Zheng, Fangtao Li, Minlie Huang, Xiaoyan ...