1346 search results - page 158 / 270 » Data Management and Mining in Internet Ad Systems |
KDD
2007
ACM
15 years 10 months ago
2007
ACM
In many data mining applications, online labeling feedback is only available for examples which were predicted to belong to the positive class. Such applications include spam filt...
EEMMAS
2007
Springer
15 years 4 months ago
2007
Springer
Multiagent systems for mobile and pervasive computing should extensively exploit contextual information both to adapt to user needs and to enable autonomic behavior. This raises th...
WWW
2009
ACM
15 years 10 months ago
2009
ACM
In this paper we describe techniques for the discovery and construction of user profiles. Leveraging from the emergent data web, our system addresses the problem of sparseness of ...
PSSS
2003
14 years 11 months ago
2003
: RDF-based tools promise to provide a base for reasoning about metadata and about situated data—data describing entities situated in time and space—that is superior to alterna...
SAC
2008
ACM
14 years 9 months ago
2008
ACM
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...