505 search results - page 29 / 101 » Cluster-based retrieval using language models |
SIGIR
2009
ACM
14 years 5 months ago
2009
ACM
Abstract. One major goal of text mining is to provide automatic methods to help humans grasp the key ideas in ever-increasing text corpora. To this effect, we propose a statistica...
IR
2011
13 years 2 months ago
2011
We review the history of modeling score distributions, focusing on the mixture of normal-exponential by investigating the theoretical as well as the empirical evidence supporting i...
WWW
2008
ACM
14 years 11 months ago
2008
ACM
Social annotation has gained increasing popularity in many Web-based applications, leading to an emerging research area in text analysis and information retrieval. This paper is c...
DEXAW
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...