441 search results - page 41 / 89 » Query expansion using random walk models |
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
We have studied two efficient sampling methods, Langevin and Hessian adapted Metropolis Hastings (MH), applied to a parameter estimation problem of the mathematical model (Lorent...
CLEF
2007
Springer
14 years 4 months ago
2007
Springer
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...
EMNLP
2007
13 years 11 months ago
2007
Traditional research on spelling correction in natural language processing and information retrieval literature mostly relies on pre-defined lexicons to detect spelling errors. Bu...
EMNLP
2011
12 years 9 months ago
2011
In this paper, we propose a novel approach to automatic generation of aspect-oriented summaries from multiple documents. We first develop an event-aspect LDA model to cluster sen...
TREC
2007
13 years 11 months ago
2007
This paper describes several approaches which we used for the expert search task of the TREC 2007 Enterprise track. We studied several methods of relevance propagation from docume...