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» Models in Information Retrieval
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IPM
2007
85views more  IPM 2007»
13 years 9 months ago
A retrospective study of a hybrid document-context based retrieval model
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
Ho Chung Wu, Robert W. P. Luk, Kam-Fai Wong, K. L....
IR
2008
13 years 9 months ago
An analysis on document length retrieval trends in language modeling smoothing
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
David E. Losada, Leif Azzopardi
SIGIR
2012
ACM
11 years 11 months ago
Frontiers, challenges, and opportunities for information retrieval: Report from SWIRL 2012 the second strategic workshop on info
During a three-day workshop in February 2012, 45 Information Retrieval researchers met to discuss long-range challenges and opportunities within the field. The result of the works...
James Allan, W. Bruce Croft, Alistair Moffat, Mark...
EACL
2006
ACL Anthology
13 years 10 months ago
Adaptivity in Question Answering with User Modelling and a Dialogue Interface
Most question answering (QA) and information retrieval (IR) systems are insensitive to different users' needs and preferences, and also to the existence of multiple, complex ...
Silvia Quarteroni, Suresh Manandhar
SIGIR
2006
ACM
14 years 3 months ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler