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ACL
2011
14 years 10 months ago
Learning Dependency-Based Compositional Semantics
Compositional question answering begins by mapping questions to logical forms, but training a semantic parser to perform this mapping typically requires the costly annotation of t...
Percy Liang, Michael I. Jordan, Dan Klein
FOIKS
2010
Springer
16 years 1 months ago
Theoretical Foundations for Enabling a Web of Knowledge
The current web is a web of linked pages. Frustrated users search for facts by guessing which keywords or keyword phrases might lead them to pages where they can find facts. Can w...
David W. Embley, Andrew Zitzelberger
TREC
2007
15 years 7 months ago
Semantic Extensions of the Ephyra QA System for TREC 2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
Nico Schlaefer, Jeongwoo Ko, Justin Betteridge, Ma...
ICASSP
2011
IEEE
14 years 10 months ago
Are all basis updates for lattice-reduction-aided MIMO detection necessary?
The question in the title is relevant when considering latticereduction-aided MIMO detectors, which achieve the same diversity as the maximum-likelihood detector while exhibiting ...
Brian Gestner, Xiaoli Ma, David V. Anderson
CLEF
2006
Springer
15 years 10 months ago
The Effect of Entity Recognition on Answer Validation
The Answer Validation Exercise (AVE) 2006 is aimed at evaluating systems able to decide whether the responses of a Question Answering (QA) system are correct or not. Since most of ...
Álvaro Rodrigo, Anselmo Peñas, Jes&u...