24105 search results - page 27 / 4821 » Models in Information Retrieval |
ANLP
2000
13 years 10 months ago
2000
A major obstacle to the construction of a probabilistic translation model is the lack of large parallel corpora. In this paper we first describe a parallel text mining system that...
MIR
2006
ACM
14 years 2 months ago
2006
ACM
The variety of features available to represent multimedia data constitutes a rich pool of information. However, the plethora of data poses a challenge in terms of feature selectio...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Evaluation in Information Retrieval (IR) has long focused on effectiveness and efficiency. However, new and emerging access tasks now demand alternative evaluation measures which ...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
ECIR
2009
Springer
14 years 6 months ago
2009
Springer
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...