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» Improved answer ranking in social question-answering portals
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KDD
2004
ACM
162views Data Mining» more  KDD 2004»
14 years 5 months ago
Discovering Links Between Lexical and Surface Features in Questions and Answers
Information retrieval systems, based on keyword match, are evolving to question answering systems that return short passages or direct answers to questions, rather than URLs point...
Soumen Chakrabarti
SIGIR
2004
ACM
13 years 10 months ago
Evaluating high accuracy retrieval techniques
Although information retrieval research has always been concerned with improving the effectiveness of search, in some applications, such as information analysis, a more specific ...
Chirag Shah, W. Bruce Croft
ECIR
2009
Springer
14 years 2 months ago
Regression Rank: Learning to Meet the Opportunity of Descriptive Queries
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
Matthew Lease, James Allan, W. Bruce Croft
ICDE
2009
IEEE
140views Database» more  ICDE 2009»
13 years 3 months ago
Routing Questions to the Right Users in Online Communities
Online forums contain huge amounts of valuable user-generated content. In current forum systems, users have to passively wait for other users to visit the forum systems and read/an...
Yanhong Zhou, Gao Cong, Bin Cui, Christian S. Jens...
IR
2006
13 years 5 months ago
Table extraction for answer retrieval
The ability to find tables and extract information from them is a necessary component of many information retrieval tasks. Documents often contain tables in order to communicate d...
Xing Wei, W. Bruce Croft, Andrew McCallum