1599 search results - page 204 / 320 » Theoretical Frameworks for Data Mining |
PKDD
2001
Springer
14 years 1 months ago
2001
Springer
This paper introduces a new type of Self-Organizing Map (SOM) for Text Categorization and Semantic Browsing. We propose a “hyperbolic SOM” (HSOM) based on a regular tesselation...
ICDM
2010
IEEE
13 years 7 months ago
2010
IEEE
On large datasets, the popular training approach has been stochastic gradient descent (SGD). This paper proposes a modification of SGD, called averaged SGD with feedback (ASF), tha...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
KDD
1998
ACM
14 years 1 months ago
1998
ACM
We present the notion of Ranking for evaluation of two-class classifiers. Ranking is based on using the ordering information contained in the output of a scoring model, rather tha...
ICS
2007
Tsinghua U.
14 years 3 months ago
2007
Tsinghua U.
This paper investigates helper threads that improve performance by prefetching data on behalf of an application’s main thread. The focus is data prefetch helper threads that lac...