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ICWSM
2009
13 years 4 months ago
Delta TFIDF: An Improved Feature Space for Sentiment Analysis
Mining opinions and sentiment from social networking sites is a popular application for social media systems. Common approaches use a machine learning system with a bag of words f...
Justin Martineau, Tim Finin
ICWSM
2009
13 years 4 months ago
Visualizing Cross-Lingual/Cross-Cultural Differences in Concerns in Multilingual Blogs
The goal of this paper is to cross-lingually analyze multilingual blogs collected with a topic keyword. The framework of collecting multilingual blogs with a topic keyword is desi...
Hiroyuki Nakasaki, Mariko Kawaba, Sayuri Yamazaki,...
ICWSM
2009
13 years 4 months ago
Sidelines: An Algorithm for Increasing Diversity in News and Opinion Aggregators
Aggregators rely on votes, and links to select and present subsets of the large quantity of news and opinion items generated each day. Opinion and topic diversity in the output se...
Sean A. Munson, Daniel Xiaodan Zhou, Paul Resnick
ICWSM
2009
13 years 4 months ago
Event Detection and Tracking in Social Streams
Events and stories can be characterized by a set of descriptive, collocated keywords. Intuitively, documents describing the same event will contain similar sets of keywords, and t...
Hassan Sayyadi, Matthew Hurst, Alexey Maykov
ICWSM
2009
13 years 4 months ago
Analysis of Social Influence in Online Book Reviews
It has been widely recognized that online opinions constitute important informational sources for consumers and producers. The open nature of communication supported by social med...
Patty Sakunkoo, Nathan Sakunkoo