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206
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EDM
2011
14 years 6 months ago
2011
Assessment on collaborative student behavior is a longstanding issue in user modeling. Nowadays thanks to the proliferation of online learning and the vast amount of data on studen...
188
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ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
Content-based image retrieval systems still have difficulties to bridge the semantic gap between the low-level representation of images and the high level concepts the user is loo...
158
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
The relationship between constraint-based mining and constraint programming is explored by showing how the typical constraints used in pattern mining can be formulated for use in ...
180
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CIDM
2009
IEEE
16 years 1 months ago
2009
IEEE
—Protecting and securing sensitive information are critical challenges for businesses. Deliberate and intended actions such as malicious exploitation, theft or destruction of dat...
196
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CISS
2008
IEEE
16 years 1 months ago
2008
IEEE
—We consider linear precoding and decoding in the downlink of a multiuser multiple-input, multiple-output (MIMO) system. In this scenario, the transmitter and the receivers may e...