1170 search results - page 117 / 234 » Retrieval effectiveness of an ontology-based model for infor... |
QI
2009
Springer
14 years 2 months ago
2009
Springer
An emerging topic in Quantuam Interaction is the use of lexical semantic spaces, as Hilbert spaces, to capture the meaning of words. There has been some initial evidence that the p...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
The primary business model behind Web search is based on textual advertising, where contextually relevant ads are displayed alongside search results. We address the problem of sel...
KCAP
2005
ACM
14 years 1 months ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
CIKM
2009
Springer
13 years 12 months ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
AMT
2006
Springer
13 years 11 months ago
2006
Springer
In traditional Information Retrieval (IR), user profiles are often represented by keyword/concepts space vectors or by some predefined categories. Unfortunately, this data is often...