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AUSAI
2007
Springer
14 years 3 months ago
Not All Words Are Created Equal: Extracting Semantic Orientation as a Function of Adjective Relevance
Semantic orientation (SO) for texts is often determined on the basis of the positive or negative polarity, or sentiment, found in the text. Polarity is typically extracted using th...
Kimberly D. Voll, Maite Taboada
IAT
2009
IEEE
14 years 18 days ago
Bee Hive at Work: Story Tracking Case Study
—Information can change rapidly on the web. For example, news may hint some new story starts to develop. Many more news related to the original event begin to pour in the web. Im...
Pavol Návrat, Lucia Jastrzembska, Tomas Jel...
IJCNN
2008
IEEE
14 years 3 months ago
Learning to select relevant perspective in a dynamic environment
— When an agent observes its environment, there are two important characteristics of the perceived information. One is the relevance of information and the other is redundancy. T...
Zhihui Luo, David A. Bell, Barry McCollum, Qingxia...
WIDM
2004
ACM
14 years 2 months ago
Probabilistic models for focused web crawling
A Focused crawler must use information gleaned from previously crawled page sequences to estimate the relevance of a newly seen URL. Therefore, good performance depends on powerfu...
Hongyu Liu, Evangelos E. Milios, Jeannette Janssen
FLAIRS
2007
13 years 11 months ago
Finding Data, Knowledge, and Answers on the Semantic Web
Web search engines like Google have made us all smarter by providing ready access to the world's knowledge whenever we need to look up a fact, learn about a topic or evaluate...
Timothy W. Finin, Joel Sachs, Cynthia Sims Parr