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» Exploiting Diversity for Answering Questions
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TREC
2007
13 years 9 months ago
Overview of the TREC 2007 Question Answering Track
The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and “Other” questions organized around a set of targets, ...
Hoa Trang Dang, Diane Kelly, Jimmy J. Lin
EMNLP
2007
13 years 9 months ago
Using Semantic Roles to Improve Question Answering
Shallow semantic parsing, the automatic identification and labeling of sentential constituents, has recently received much attention. Our work examines whether semantic role info...
Dan Shen, Mirella Lapata
ACL
2010
13 years 5 months ago
Optimizing Question Answering Accuracy by Maximizing Log-Likelihood
In this paper we demonstrate that there is a strong correlation between the Question Answering (QA) accuracy and the log-likelihood of the answer typing component of our statistic...
Matthias H. Heie, Edward W. D. Whittaker, Sadaoki ...
TREC
2000
13 years 9 months ago
The PISAB Question Answering System
The PISAB Question Answering system is based on a combination of Information Extraction and Information Retrieval techniques. Knowledge extracted from documents is modeled as a se...
Giuseppe Attardi, Cristian Burrini
WEBI
2007
Springer
14 years 1 months ago
Question Answering over Implicitly Structured Web Content
Implicitly structured content on the Web such as HTML tables and lists can be extremely valuable for web search, question answering, and information retrieval, as the implicit str...
Eugene Agichtein, Chris Burges, Eric Brill