Sciweavers

92 search results - page 4 / 19
» Effects of Using a Research Context Ontology for Query Expan...
Sort
View
DASFAA
2009
IEEE
96views Database» more  DASFAA 2009»
13 years 11 months ago
A Revisit of Query Expansion with Different Semantic Levels
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
Ce Zhang, Bin Cui, Gao Cong, Yu-Jing Wang
CAISE
2005
Springer
14 years 1 months ago
Query Processing Using Ontologies
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Chokri Ben Necib, Johann Christoph Freytag
SIGIR
2012
ACM
11 years 10 months ago
Automatic term mismatch diagnosis for selective query expansion
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
Le Zhao, Jamie Callan
COOPIS
1997
IEEE
13 years 12 months ago
An Ontology Tool for Query Formulation in an Agent-Based Context
This paper describes how query formulation can be made simple and less complicated by using ontologies. It takes a brief look at several advantages of using ontologies in a distri...
Kuhanandha Mahalingam, Michael N. Huhns
TREC
2003
13 years 9 months ago
Searching for geneRIFs: Concept-Based Query Expansion and Bayes Classification
k gene annotations. Our indexing machinery produces per indexed MEDLINE abstract a list of concepts with an accompanying weight, termed a fingerprint. Searching is done by matching...
Rob Jelier, Martijn J. Schuemie, C. Christiaan van...