1553 search results - page 128 / 311 » Democracy Functions of Information Technology |
CIKM
2010
Springer
13 years 9 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
ADB
1994
14 years 2 months ago
1994
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...
IDA
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. Joint diagonalization for ICA is often performed on the orthogonal group after a pre-whitening step. Here we assume that we only want to extract a few sources after pre-w...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract— Cooperative diversiy is a promising technology for future wireless networks. In this paper, based on the moment generating function (MGF), we derive exact closed-form e...
HT
2006
ACM
14 years 4 months ago
2006
ACM
One of the basic methods of web usage mining are association rules that indicate relationships among common use of web pages. Positive and confined negative association rules are ...