1013 search results - page 57 / 203 » Document Re-ranking by Generality in Bio-medical Information... |
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In a new model for answer retrieval, document collections are distilled offline into large repositories of facts. Each fact constitutes a potential direct answer to questions seek...
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
This work evaluates a few search strategies for Arabic monolingual and cross-lingual retrieval, using the TREC Arabic corpus as the test-bed. The release by NIST in 2001 of an Ara...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...
SIGIR
2010
ACM
14 years 10 months ago
2010
ACM
In this paper, we report findings on how user behaviors vary in tasks with different difficulty levels as well as of different types. Two behavioral signals: document dwell time a...
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
We introduce a novel approach to expert finding based on multi-step relevance propagation from documents to related candidates. Relevance propagation is modeled with an absorbing ...