This paper presents various methods for visualization and analysis of email networks; visualization on the surface of a sphere to reveal communication patterns between different g...
Xiaoyan Fu, Seok-Hee Hong, Nikola S. Nikolov, Xiao...
This paper presents a new approach to identifying concepts expressed in a collection of email messages, and organizing them into an ontology or taxonomy for browsing. It incorpora...
Lexical features are key to many approaches to sentiment analysis and opinion detection. A variety of representations have been used, including single words, multi-word Ngrams, ph...
This paper describes a new method for visualizing complex information spaces as painted images. Scientific visualization converts data into pictures that allow viewers to "se...
CT This paper presents a rapid detecting method to tell the external contours from internal ones, and adopt an aid measure of adding 'black points" . These two methods re...