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ICWSM
2009
14 years 7 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
JDCTA
2008
122views more  JDCTA 2008»
14 years 9 months ago
An Analysis Present Condition of Information Systems in Turkish Ports and Direction of Improvement
The international business environment of port logistics has changed drastically in the last few decades. The increase in international trade, advent of ultra-large vessels, chang...
Hyung Rim Choi, Yavuz Keceli, Min Je Cho
IEEEVAST
2010
14 years 4 months ago
Improving the visual analysis of high-dimensional datasets using quality measures
Modern visualization methods are needed to cope with very highdimensional data. Efficient visual analytical techniques are required to extract the information content in these dat...
Georgia Albuquerque, Martin Eisemann, Dirk J. Lehm...
EOR
2011
172views more  EOR 2011»
14 years 4 months ago
Efficiency measurement using independent component analysis and data envelopment analysis
Efficiency measurement is an important issue for any firm or organization. Efficiency measurement allows organizations to compare their performance with their competitors’ and t...
Ling-Jing Kao, Chi-Jie Lu, Chih-Chou Chiu
65
Voted
CORR
2004
Springer
85views Education» more  CORR 2004»
14 years 9 months ago
A correct, precise and efficient integration of set-sharing, freeness and linearity for the analysis of finite and rational tree
It is well-known that freeness and linearity information positively interact with aliasing information, allowing both the precision and the efficiency of the sharing analysis of l...
Patricia M. Hill, Enea Zaffanella, Roberto Bagnara