94 search results - page 8 / 19 » sigir 2005 |
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
We present a model, based on the maximum entropy method, for analyzing various measures of retrieval performance such as average precision, R-precision, and precision-at-cutoffs....
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
The current boom of the Web is associated with the revenues originated from on-line advertising. While search-based advertising is dominant, the association of ads with a Web page...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
This paper develops a general, formal framework for modeling term dependencies via Markov random fields. The model allows for arbitrary text features to be incorporated as eviden...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
Finding a proper distribution of translation probabilities is one of the most important factors impacting the effectiveness of a crosslanguage information retrieval system. In th...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
Latent semantic indexing (LSI) is a well-known unsupervised approach for dimensionality reduction in information retrieval. However if the output information (i.e. category labels...