224 search results - page 8 / 45 » Semi-parametric and Non-parametric Term Weighting for Inform... |
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
ACL
2010
13 years 5 months ago
2010
Most sentiment analysis approaches use as baseline a support vector machines (SVM) classifier with binary unigram weights. In this paper, we explore whether more sophisticated fea...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
We consider the problem of efficiently computing weighted proximity best-joins over multiple lists, with applications in information retrieval and extraction. We are given a multi-...
SIGIR
2005
ACM
14 years 1 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...
AICS
2009
13 years 5 months ago
2009
Abstract. Just-In-Time Information Retrieval agents proactively retrieve information based on queries that are implicit in, and formulated from, the user's current context, su...