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» Further reflections on TREC
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ECIR
2010
Springer
13 years 9 months ago
Explicit Search Result Diversification through Sub-queries
Queries submitted to a retrieval system are often ambiguous. In such a situation, a sensible strategy is to diversify the ranking of results to be retrieved, in the hope that users...
Rodrygo L. T. Santos, Jie Peng, Craig Macdonald, I...
EMNLP
2008
13 years 9 months ago
Automatic Set Expansion for List Question Answering
This paper explores the use of set expansion (SE) to improve question answering (QA) when the expected answer is a list of entities belonging to a certain class. Given a small set...
Richard C. Wang, Nico Schlaefer, William W. Cohen,...
LREC
2008
108views Education» more  LREC 2008»
13 years 9 months ago
Creating a Research Collection of Question Answer Sentence Pairs with Amazon's Mechanical Turk
Each year NIST releases a set of question, document id, answer-triples for the factoid questions used in the TREC Question Answering track. While this resource is widely used and ...
Michael Kaisser, John Lowe
RIAO
2007
13 years 9 months ago
Investigating Retrieval Performance with Manually-Built Topic Models
Modeling text with topics is currently a popular research area in both Machine Learning and Information Retrieval (IR). Most of this research has focused on automatic methods thou...
Xing Wei, W. Bruce Croft
CIKM
2009
Springer
13 years 8 months ago
Retrieval experiments using pseudo-desktop collections
Desktop search is an important part of personal information management (PIM). However, research in this area has been limited by the lack of shareable test collections, making cum...
Jinyoung Kim, W. Bruce Croft