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WWW
2003
ACM
14 years 3 months ago
Experience With Teaching and Learning in Cooperative Knowledge Areas
Since the early 1990s, different infrastructures for supporting learning have been developed and practically tested in Paderborn. One of the key products of our research is the we...
Thorsten Hampel, Reinhard Keil-Slawik
WWW
2007
ACM
14 years 11 months ago
Sliding window technique for the web log analysis
The results of the Web query log analysis may be significantly shifted depending on the fraction of agents (non-human clients), which are not excluded from the log. To detect and ...
Nikolai Buzikashvili
AIPRF
2008
14 years 3 days ago
Spam Sender Detection with Classification Modeling on Highly Imbalanced Mail Server Behavior Data
Unsolicited commercial or bulk emails or emails containing viruses pose a great threat to the utility of email communications. A recent solution for filtering is reputation systems...
Yuchun Tang, Sven Krasser, Dmitri Alperovitch, Pau...
ECIS
2003
14 years 1 days ago
The impact of information technology on the performance of diversified firms
Diversification may increase economic benefits through more efficient utilization of business resources across multiple markets. However, the benefits of these scope economies are...
Namchul Shin
EJIS
2006
105views more  EJIS 2006»
13 years 10 months ago
Activity-based design
In many types of activities, communicative and material activities are so intertwined that the one cannot be understood without taking the other into account. This is true of mari...
Peter Bøgh Andersen