SIGIR
2012
ACM
11 years 7 months ago
2012
ACM
Many current effectiveness measures incorporate simplifying assumptions about user behavior. These assumptions prevent the measures from reflecting aspects of the search process...
ECIR
2011
Springer
12 years 8 months ago
2011
Springer
Recently, mean-variance analysis has been proposed as a novel paradigm to model document ranking in Information Retrieval. The main merit of this approach is that it diversifies t...
IR
2008
13 years 4 months ago
2008
Abstract. Document length is widely recognized as an important factor for adjusting retrieval systems. Many models tend to favor the retrieval of either short or long documents and...
ECIR
2008
Springer
13 years 6 months ago
2008
Springer
This paper addresses the issue of devising a new document prior for the language modeling (LM) approach for Information Retrieval. The prior is based on term statistics, derived in...
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
The inclusion of document length factors has been a major topic in the development of retrieval models. We believe that current models can be further improved by more refined est...