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161
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SOCRATES
2008
15 years 7 months ago
2008
The purpose of this paper is to build a picture of knowledge construction models in online education. The study describes the knowledge construction process of a group of vocation...
180
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ICCV
2007
IEEE
16 years 8 months ago
2007
IEEE
Boosting has been widely applied in computer vision, especially after Viola and Jones's seminal work [23]. The marriage of rectangular features and integral-imageenabled fast...
188
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
179
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IMC
2009
ACM
16 years 28 days ago
2009
ACM
Proximity measures quantify the closeness or similarity between nodes in a social network and form the basis of a range of applications in social sciences, business, information t...
174
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SIGUCCS
2005
ACM
15 years 12 months ago
2005
ACM
Many higher education institutions are searching for cost effective tools for the delivery of a feature rich, synchronous online learning environment. While there are several comm...