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» Extracting a Representation from Text for Semantic Analysis
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ICDM
2003
IEEE
238views Data Mining» more  ICDM 2003»
15 years 11 months ago
Sentiment Analyzer: Extracting Sentiments about a Given Topic using Natural Language Processing Techniques
We present Sentiment Analyzer (SA) that extracts sentiment (or opinion) about a subject from online text documents. Instead of classifying the sentiment of an entire document abou...
Jeonghee Yi, Tetsuya Nasukawa, Razvan C. Bunescu, ...
282
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SDM
2011
SIAM
370views Data Mining» more  SDM 2011»
14 years 8 months ago
Sparse Latent Semantic Analysis
Latent semantic analysis (LSA), as one of the most popular unsupervised dimension reduction tools, has a wide range of applications in text mining and information retrieval. The k...
Xi Chen, Yanjun Qi, Bing Bai, Qihang Lin, Jaime G....
JCDL
2010
ACM
180views Education» more  JCDL 2010»
15 years 11 months ago
Spatiotemporal mapping of Wikipedia concepts
Space and time are important dimensions in the representation of a large number of concepts. However there exists no available resource that provides spatiotemporal mappings of ge...
Adrian Popescu, Gregory Grefenstette
NLDB
2005
Springer
15 years 11 months ago
Combining Biological Databases and Text Mining to Support New Bioinformatics Applications
Abstract. A large amount of biological knowledge today is only available from full-text research papers. Since neither manual database curators nor users can keep up with the rapid...
René Witte, Christopher J. O. Baker
CIVR
2009
Springer
221views Image Analysis» more  CIVR 2009»
16 years 18 days ago
Movie segmentation into scenes and chapters using locally weighted bag of visual words
Movies segmentation into semantically correlated units is a quite tedious task due to ”semantic gap”. Low-level features do not provide useful information about the semantical...
Vasileios Chasanis, Argyris Kalogeratos, Aristidis...