75 search results - page 4 / 15 » Hierarchical Location and Topic Based Query Expansion |
TREC
2003
13 years 8 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...
KDD
2006
ACM
14 years 7 months ago
2006
ACM
In this paper, we consider the problem of identifying and segmenting topically cohesive regions in the URL tree of a large website. Each page of the website is assumed to have a t...
KDD
2008
ACM
14 years 7 months ago
2008
ACM
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
ACCV
2009
Springer
14 years 1 months ago
2009
Springer
The method based on local features has an advantage that the important local motion feature is represented as bag-of-features, but lacks the location information. Additionally, in ...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...