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» Answering Queries Using Views
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SEMWEB
2010
Springer
15 years 1 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
EKAW
2010
Springer
15 years 1 months ago
Scaling Up Question-Answering to Linked Data
Linked Data semantic sources, in particular DBpedia, can be used to answer many user queries. PowerAqua is an open multi-ontology Question Answering (QA) system for the Semantic We...
Vanessa Lopez, Andriy Nikolov, Marta Sabou, Victor...
129
Voted
CLEF
2008
Springer
15 years 5 months ago
Combining Logic and Machine Learning for Answering Questions
Abstract. LogAnswer is a logic-oriented question answering system developed by the AI research group at the University of Koblenz-Landau and by the IICS at the University of Hagen....
Ingo Glöckner, Björn Pelzer
CIKM
2010
Springer
15 years 1 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
109
Voted
ICCS
2005
Springer
15 years 9 months ago
A 3D Model Retrieval Method Using 2D Freehand Sketches
In this paper, a method is proposed to retrieve desired 3D models by measuring the similarity between a user’s freehand sketches and 2D orthogonal views generated from 3D models....
Jiantao Pu, Karthik Ramani