135 search results - page 4 / 27 » Modeling Term Associations for Ad-Hoc Retrieval Performance ... |
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Previous research on cluster-based retrieval has been inconclusive as to whether it does bring improved retrieval effectiveness over document-based retrieval. Recent developments ...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries...
PEWASUN
2005
ACM
14 years 1 months ago
2005
ACM
Scalability issues for routing in mobile ad hoc networks (MANETs) have been typically addressed using hybrid routing schemes operating in a hierarchical network architecture. Seve...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
We introduce and validate bootstrap techniques to compute confidence intervals that quantify the effect of test-collection variability on average precision (AP) and mean average...