641 search results - page 11 / 129 » Studying Query Expansion Effectiveness |
TREC
2008
13 years 9 months ago
2008
The vocabulary of the TREC Legal OCR collection is noisy and huge. Standard techniques for improving retrieval performance such as content-based query expansion are ineffective fo...
RIAO
2007
13 years 9 months ago
2007
The paper proposes an approach to information retrieval based on the use of a structure (ontology) both for document (resp. query) indexing and query evaluating. The conceptual st...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
In this paper we investigate the effectiveness of a documentindependent technique for eliciting feedback from users about their information problems. We propose that such a techni...
AIRS
2008
Springer
14 years 2 months ago
2008
Springer
We present a novel approach that transforms the weighting task to a typical coarse-grained classification problem, aiming to assign appropriate weights for candidate expansion term...
AWIC
2005
Springer
14 years 1 months ago
2005
Springer
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...