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» The PISAB Question Answering System
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ACL
2001
13 years 9 months ago
The Role of Lexico-Semantic Feedback in Open-Domain Textual Question-Answering
This paper presents an open-domain textual Question-Answering system that uses several feedback loops to enhance its performance. These feedback loops combine in a new way statist...
Sanda M. Harabagiu, Dan I. Moldovan, Marius Pasca,...
ISCI
2007
142views more  ISCI 2007»
13 years 7 months ago
Semantic passage segmentation based on sentence topics for question answering
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...
Hyo-Jung Oh, Sung-Hyon Myaeng, Myung-Gil Jang
CORR
2004
Springer
126views Education» more  CORR 2004»
13 years 7 months ago
Effects of Language Modeling on Speech-driven Question Answering
We integrate automatic speech recognition (ASR) and question answering (QA) to realize a speech-driven QA system, and evaluate its performance. We adapt an Ngram language model to...
Tomoyosi Akiba, Atsushi Fujii, Katunobu Itou
NAACL
2004
13 years 9 months ago
A Probabilistic Rasch Analysis of Question Answering Evaluations
The field of Psychometrics routinely grapples with the question of what it means to measure the inherent ability of an organism to perform a given task, and for the last forty yea...
Rense Lange, Juan Moran, Warren R. Greiff, Lisa Fe...
LREC
2010
166views Education» more  LREC 2010»
13 years 9 months ago
A Derivational Rephrasing Experiment for Question Answering
In Knowledge Management, variations in information expressions have proven a real challenge. In particular, classical semantic relations (e.g. synonymy) do not connect words with ...
Bernard Jacquemin