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TLSDKCS
2010
14 years 6 months ago
Improving Retrievability and Recall by Automatic Corpus Partitioning
Abstract. With increasing volumes of data, much effort has been devoted to finding the most suitable answer to an information need. However, in many domains, the question whether a...
Shariq Bashir, Andreas Rauber
ERCIMDL
2010
Springer
142views Education» more  ERCIMDL 2010»
15 years 23 days ago
Effective Term Weighting for Sentence Retrieval
A well-known challenge of information retrieval is how to infer a user's underlying information need when the input query consists of only a few keywords. Question Answering (...
Saeedeh Momtazi, Matthew Lease, Dietrich Klakow
ICCV
2007
IEEE
16 years 1 months ago
Graph-Cut Transducers for Relevance Feedback in Content Based Image Retrieval
Closing the semantic gap in content based image retrieval (CBIR) basically requires the knowledge of the user's intention which is usually translated into a sequence of quest...
Hichem Sahbi, Jean-Yves Audibert, Renaud Keriven
CC
2006
Springer
125views System Software» more  CC 2006»
14 years 11 months ago
A tight lower bound for restricted pir protocols
We show that any 1-round 2-server Private Information Retrieval Protocol where the answers are 1-bit long must ask questions that are at least n - 2 bits long, which is nearly equa...
Richard Beigel, Lance Fortnow, William I. Gasarch
ISDA
2009
IEEE
15 years 6 months ago
A Combined Query Expansion Technique for Retrieving Opinions from Blogs
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
Saeedeh Momtazi, Stefan Kazalski, Dietrich Klakow