308 search results - page 53 / 62 » A Study on Evaluation on Opinion Retrieval Systems |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Online detection of video clips that present previously unseen events in a video stream is still an open challenge to date. For this online new event detection (ONED) task, existi...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Leveraging clickthrough data has become a popular approach for evaluating and optimizing information retrieval systems. Although data is plentiful, one must take care when interpr...
WIKIS
2009
ACM
14 years 2 months ago
2009
ACM
Due to the inherent difficulty in obtaining experimental data from wikis, past quantitative wiki research has largely been focused on Wikipedia, limiting the degree that it can be...
GIS
1998
ACM
13 years 7 months ago
1998
ACM
Geographical Information Systems (GIS) involve the manipulation of large spatial data sets, and the performance of these systems is often determined by how these data sets are orga...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
The Semantic Web consists of many RDF graphs nameable by URIs. This paper extends the syntax and semantics of RDF to cover such Named Graphs. This enables RDF statements that desc...