441 search results - page 15 / 89 » Query expansion using random walk models |
COLING
2010
13 years 4 months ago
2010
Fact collections are mostly built using semi-supervised relation extraction techniques and wisdom of the crowds methods, rendering them inherently noisy. In this paper, we propose...
SIGMETRICS
2008
ACM
13 years 9 months ago
2008
ACM
In this paper, we consider hybrid peer-to-peer systems where users form an unstructured peer-to-peer network with the purpose of assisting a server in the distribution of data. We...
CIKM
2004
Springer
14 years 3 months ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
Network querying aims to search a large network for subnetwork regions that are similar to a given query network. In this paper, we propose a novel algorithm for querying large sc...
TREC
2003
13 years 11 months ago
2003
Our participation in TREC 2003 aims to adapt the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) to the robust track and the topic distillation task o...