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CONTEXT
2005
Springer
14 years 1 months ago
Effect of the Task, Visual and Semantic Context on Word Target Detection
Although being a daily task, the search for a word among others words is a new research domain we investigated in order to find the kinds contextual factors that can facilitate sem...
Laure Léger, Charles Tijus, Thierry Baccino
DELOS
2000
13 years 9 months ago
Analysis of the Effectiveness-Efficiency Dependence for Image Retrieval
Similarity search in image database is commonly implemented as nearest-neighbor search in a feature space of the images. For that purpose, a large number of different features as ...
Martin Heczko, Daniel A. Keim, Roger Weber
WWW
2008
ACM
14 years 8 months ago
On the Effect of Group Structures on Ranking Strategies in Folksonomies
Folksonomies have shown interesting potential for improving information discovery and exploration. Recent folksonomy systems investigate on the use of tag assignments, which combi...
Fabian Abel, Nicola Henze, Daniel Krause, Matthias...
CIKM
2009
Springer
14 years 2 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
ICDE
2012
IEEE
191views Database» more  ICDE 2012»
11 years 10 months ago
DESKS: Direction-Aware Spatial Keyword Search
— Location-based services (LBS) have been widely accepted by mobile users. Many LBS users have direction-aware search requirement that answers must be in a search direction. Howe...
Guoliang Li, Jianhua Feng, Jing Xu