280 search results - page 4 / 56 » Query Expansion and Evolution of Topic in Information Retrie... |
SIGIR
2003
ACM
13 years 11 months ago
2003
ACM
Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential ...
SIGIR
2009
ACM
14 years 8 days ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
SIGIR
2012
ACM
11 years 8 months ago
2012
ACM
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...
OTM
2005
Springer
13 years 11 months ago
2005
Springer
Ontologies play a key role in Semantic Web research. A common use of ontologies in Semantic Web is to enrich the current Web resources with some well-defined meaning to enhance th...
CIKM
2005
Springer
13 years 11 months ago
2005
Springer
Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries...