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ELECTRONICMARKETS
2008
67views more  ELECTRONICMARKETS 2008»
15 years 6 months ago
Current Trends and Challenges in Electronic Procurement: An Empirical Study
The following paper presents results from a longitudinal study on the use of ICT for B2B-related business processes in large Swiss companies. In an empirical survey, 68 questionna...
Christian Tanner, Ralf Wölfle, Petra Schubert...
CORR
2002
Springer
96views Education» more  CORR 2002»
15 years 5 months ago
Thumbs up? Sentiment Classification using Machine Learning Techniques
We consider the problem of classifying documents not by topic, but by overall sentiment, e.g., determining whether a review is positive or negative. Using movie reviews as data, w...
Bo Pang, Lillian Lee, Shivakumar Vaithyanathan
WWW
2006
ACM
16 years 6 months ago
Topic-oriented query expansion for web search
The contribution of this paper includes three folders: (1) To introduce a topic-oriented query expansion model based on the Information Bottleneck theory that classify terms into ...
Shao-Chi Wang, Yuzuru Tanaka
ISBI
2006
IEEE
16 years 6 months ago
Group mean differences of voxel and surface objects via nonlinear averaging
Building of atlases representing average and variability of a population of images or of segmented objects is a key topic in application areas like brain mapping, deformable objec...
Shun Xu, Martin Andreas Styner, Brad Davis, Sarang...
ICMCS
2007
IEEE
144views Multimedia» more  ICMCS 2007»
16 years 7 days ago
Analysis, User Interface, and their Evaluation for Student Presentation Videos
In the domain of candidly-captured student presentation videos, we examine and evaluate approaches for multimodal analysis and indexing of audio and video. We apply visual segment...
Alexander Haubold, John R. Kender