2452 search results - page 6 / 491 » A Language Modeling Approach to Information Retrieval |
ICML
2005
IEEE
14 years 8 months ago
2005
IEEE
How to assign appropriate weights to terms is one of the critical issues in information retrieval. Many term weighting schemes are unsupervised. They are either based on the empir...
ECIR
2009
Springer
14 years 4 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...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
We approached the problem as learning how to order documents by estimated relevance with respect to a user query. Our support vector machines based classifier learns from the rele...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Existing retrieval models generally do not offer any guarantee for optimal retrieval performance. Indeed, it is even difficult, if not impossible, to predict a model’s empirica...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Most image retrieval systems only allow a fragment of text or an example image as a query. Most users have more complex information needs that are not easily expressed in either of...