✦ LIBER ✦

Answer comparison in automated question answering

✍ Scribed by Tiphaine Dalmas; Bonnie Webber

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 423 KB
Volume: 5
Category: Article
ISSN: 1570-8683
DOI: 10.1016/j.jal.2005.12.002

No coin nor oath required. For personal study only.

✦ Synopsis

In the context of Question Answering (QA) on free text, we assess the value of answer comparison and information fusion in handling multiple answers. We report improvements in answer re-ranking using fusion on a set of location questions and show the advantages of considering candidates as allies rather than competitors. We conclude with some observations about answer modeling and evaluation methodology, arising from a more recent experiment with a larger set of questions and a greater diversity of question types and candidates.

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