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SIGIR
2006
ACM
13 years 11 months ago
Answering complex questions with random walk models
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
SIGIR
2008
ACM
13 years 5 months ago
User preference choices for complex question answering
Question answering systems increasingly need to deal with complex information needs that require more than simple factoid answers. The evaluation of such systems is usually carrie...
Mingfang Wu, Falk Scholer, Andrew Turpin
EACL
2006
ACL Anthology
13 years 6 months ago
Adaptivity in Question Answering with User Modelling and a Dialogue Interface
Most question answering (QA) and information retrieval (IR) systems are insensitive to different users' needs and preferences, and also to the existence of multiple, complex ...
Silvia Quarteroni, Suresh Manandhar
IRAL
2003
ACM
13 years 10 months ago
Question-Answering based on virtually integrated lexical knowledge base
This paper proposes an algorithm for causality inference based on a set of lexical knowledge bases that contain information about such items as event role, is-a hierarchy, relevan...
Key-Sun Choi, Jae-Ho Kim, Masaru Miyazaki, Jun Got...
CLEF
2007
Springer
13 years 11 months ago
A Lexical Approach for Spanish Question Answering
This paper discusses our system’s results at the Spanish Question Answering task of CLEF 2007. Our system is centered in a full data-driven approach that combines information ret...
Alberto Téllez-Valero, Antonio Juáre...