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» Data-driven type checking in open domain question answering
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TREC
2004
13 years 6 months ago
Experiments with Web QA System and TREC 2004 Questions
We describe our first participation in TREC. We only competed in the Question Answering (QA) category and limited our runs to factoids. Our approach was to use our open domain QA ...
Dmitri Roussinov, Yin Ding, Jose Antonio Robles-Fl...
FOSSACS
2006
Springer
13 years 9 months ago
Undecidability Results for Bisimilarity on Prefix Rewrite Systems
Abstract. We answer an open question related to bisimilarity checking on labelled transition systems generated by prefix rewrite rules on words. Stirling (1996, 1998) proved the de...
Petr Jancar, Jirí Srba
KCAP
2011
ACM
12 years 8 months ago
An analysis of open information extraction based on semantic role labeling
Open Information Extraction extracts relations from text without requiring a pre-specified domain or vocabulary. While existing techniques have used only shallow syntactic featur...
Janara Christensen, Mausam, Stephen Soderland, Ore...
ICDE
2007
IEEE
125views Database» more  ICDE 2007»
13 years 11 months ago
Analyses and Fundamental ideas for a Relation Extraction Approach
Relation extraction is a difficult open research problem with important applications in several fields such as knowledge management, web mining, ontology building, intelligent sys...
Lobna Karoui, Marie-Aude Aufaure, Nacéra Be...
PG
2007
IEEE
13 years 11 months ago
Visualisation of Implicit Algebraic Curves
We describe a new algorithm for the visualisation of implicit algebraic curves, which isolates the singular points, compute the topological degree around these points in order to ...
Lionel Alberti, Bernard Mourrain