636 search results - page 49 / 128 » Modeling score distributions in information retrieval |
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
We present a probabilistic model for a document corpus that combines many of the desirable features of previous models. The model is called “GaP” for Gamma-Poisson, the distri...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Information filtering has made considerable progress in recent years.The predominant approaches are content-based methods and collaborative methods. Researchers have largely conc...
TPDS
2002
13 years 7 months ago
2002
The problem of question/answering (Q/A) is to find answers to open-domain questions by searching large collections of documents. Unlike information retrieval systems, very common ...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Subject-specific search facilities on health sites are usually built using manual inclusion and exclusion rules. These can be expensive to maintain and often provide incomplete c...