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CIKM
2009
Springer
16 years 1 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
PIMRC
2008
IEEE
16 years 1 months ago
Cooperative handoff in wireless networks
—In 802.11-based wireless networks the stations (STAs) are associated with the available access points (APs) and communicate through them. In traditional handoff schemes the STAs...
George Athanasiou, Thanasis Korakis, Leandros Tass...
ITNG
2006
IEEE
16 years 26 days ago
Using the Web to Construct Taxonomy for a Heterogeneous Community of Practice
A heterogeneous community of practice spans many disciplines, industries and professions. Members of these communities are united by common research, products and experiences but ...
Isak Taksa, Amanda Spink
SIGIR
2005
ACM
16 years 12 days ago
Assessing the term independence assumption in blind relevance feedback
When applying blind relevance feedback for ad hoc document retrieval, is it possible to identify, a priori, the set of query terms that will most improve retrieval performance? Ca...
Jimmy J. Lin, G. Craig Murray
CLEF
2005
Springer
16 years 12 days ago
Combining Textual and Visual Features for Image Retrieval
This paper presents the approaches used by the MIRACLE team to image retrieval at ImageCLEF 2005. Text-based and content-based techniques have been tested, along with combination o...
José Luis Martínez-Fernández,...