509 search results - page 44 / 102 » Using wikipedia categories for ad hoc search |
CLEF
2008
Springer
14 years 5 days ago
2008
Springer
In this study we will discuss our cross language text retrieval (CLIR) experiments of Persian ad hoc track at CLEF 2008. Two teams from University of Tehran were involved in cross...
SIGIR
2010
ACM
14 years 2 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...
WEBDB
2010
Springer
14 years 3 months ago
2010
Springer
Wikipedia infoboxes is an example of a seemingly structured, yet extraordinarily heterogeneous dataset, where any given record has only a tiny fraction of all possible fields. Su...
SIGIR
2005
ACM
14 years 4 months ago
2005
ACM
When applying blind relevance feedback for ad hoc document retrieval, is it possible to identify, a priori, the set of query terms that will most improve retrieval performance? Ca...
TREC
2003
13 years 11 months ago
2003
The robust retrieval track is a new track in TREC 2003. The goal of the track is to improve the consistency of retrieval technology by focusing on poorly performing topics. In add...