507 search results - page 7 / 102 » Portfolio theory of information retrieval |
ICTIR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. While the Probability Ranking Principle for Information Retrieval provides the basis for formal models, it makes a very strong assumption regarding the dependence between...
SEMWEB
2005
Springer
14 years 1 months ago
2005
Springer
The paper reports on the formal framework to design strategies for multi-issue non-symmetric meaning negotiations among software agents in a distributed information retrieval syste...
SIGIR
2002
ACM
13 years 7 months ago
2002
ACM
This paper follows a formal approach to information retrieval based on statistical language models. By introducing some simple reformulations of the basic language modeling approa...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
As a principled approach to capturing semantic relations of words in information retrieval, statistical translation models have been shown to outperform simple document language m...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
In this work we propose a novel approach to anomaly detection in streaming communication data. We first build a stochastic model for the system based on temporal communication pa...