441 search results - page 49 / 89 » Query expansion using random walk models |
ECIR
2009
Springer
14 years 7 months ago
2009
Springer
We explore the utility of different types of topic models for retrieval purposes. Based on prior work, we describe several ways that topic models can be integrated into the retrie...
ICCD
2006
IEEE
14 years 6 months ago
2006
IEEE
— As the technology scales into 90nm and below, process-induced variations become more pronounced. In this paper, we propose an efficient stochastic method for analyzing the vol...
PAKDD
2010
ACM
14 years 2 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
TREC
2007
13 years 11 months ago
2007
In this paper we present a system which uses ontological resources and a gene name variation generation tool to expand concepts in the original query. The novelty of our approach ...
INEX
2007
Springer
14 years 4 months ago
2007
Springer
CWI and University of Twente used PF/Tijah, a flexible XML retrieval system, to evaluate structured document retrieval, multimedia retrieval, and entity ranking tasks in the conte...