641 search results - page 13 / 129 » Studying Query Expansion Effectiveness |
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
As an effective technique for improving retrieval effectiveness, relevance feedback (RF) has been widely studied in both monolingual and cross-language information retrieval (CLIR...
IIR
2010
14 years 11 months ago
2010
This paper presents a vector space model approach, for representing documents and queries, using concepts instead of terms and WordNet as a light ontology. This way, information o...
BMCBI
2010
14 years 9 months ago
2010
Background: Advances in biotechnology and in high-throughput methods for gene analysis have contributed to an exponential increase in the number of scientific publications in thes...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
JCDL
2010
ACM
15 years 2 months ago
2010
ACM
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...