Sciweavers

3508 search results - page 330 / 702
» Zero-Error Information Theory
Sort
View
150
Voted
SIGIR
2006
ACM
16 years 24 days ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler
SIGIR
2006
ACM
16 years 24 days ago
A study of statistical models for query translation: finding a good unit of translation
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
Jianfeng Gao, Jian-Yun Nie
MM
2005
ACM
179views Multimedia» more  MM 2005»
16 years 12 days ago
Automatic identification of digital video based on shot-level sequence matching
To locate a video clip in large collections is very important for retrieval applications, especially for digital rights management. In this paper, we present a novel technique for...
Jian Zhou, Xiao-Ping Zhang
159
Voted
SIGIR
2005
ACM
16 years 12 days ago
Probabilistic hyperspace analogue to language
Song and Bruza [6] introduce a framework for Information Retrieval(IR) based on Gardenfor’s three tiered cognitive model; Conceptual Spaces[4]. They instantiate a conceptual spa...
Leif Azzopardi, Mark Girolami, Malcolm Crowe
SIGIR
2005
ACM
16 years 12 days ago
Integrating word relationships into language models
In this paper, we propose a novel dependency language modeling approach for information retrieval. The approach extends the existing language modeling approach by relaxing the ind...
Guihong Cao, Jian-Yun Nie, Jing Bai