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ACL
2009
15 years 5 months ago
A Non-negative Matrix Tri-factorization Approach to Sentiment Classification with Lexical Prior Knowledge
Sentiment classification refers to the task of automatically identifying whether a given piece of text expresses positive or negative opinion towards a subject at hand. The prolif...
Tao Li, Yi Zhang 0005, Vikas Sindhwani
ICALT
2009
IEEE
15 years 5 months ago
A Semantic Social Network Service for Educating Saudi Breast Cancer Patients
Social networking services are presented as enablers in health and health care. This paper presents the idea of building Social Network system for educating Breast Cancer Patients...
Alaa M. Al-Abad, Basma A. Al-Sahail, Batool A. Al-...
CORR
2010
Springer
138views Education» more  CORR 2010»
15 years 4 months ago
Rules of Thumb for Information Acquisition from Large and Redundant Data
We develop an abstract model of information acquisition from redundant data. We assume a random sampling process from data which contain information with bias and are interested in...
Wolfgang Gatterbauer
CVPR
2006
IEEE
16 years 9 months ago
AnnoSearch: Image Auto-Annotation by Search
Although it has been studied for several years by computer vision and machine learning communities, image annotation is still far from practical. In this paper, we present AnnoSea...
Xin-Jing Wang, Lei Zhang, Feng Jing, Wei-Ying Ma
WWW
2008
ACM
16 years 8 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li