512 search results - page 49 / 103 » Introducing the aggregate |
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...
DAGSTUHL
2007
13 years 9 months ago
2007
Personalized ranking systems and trust systems are an essential tool for collaboration in a multi-agent environment. In these systems, trust relations between many agents are aggr...
SE
2010
13 years 9 months ago
2010
Abstract: Recommender systems have become increasingly popular. Most of the research on recommender systems has focused on recommendation algorithms. There has been relatively litt...
EUMAS
2006
13 years 9 months ago
2006
To investigate the interdependencies existing among deontic positions (like powers and obligations) and the ontology defined by an institution, we have proposed to model instituti...
WSC
2001
13 years 9 months ago
2001
The need for new theoretical and experimental approaches to understand dynamic and heterogeneous behavior in complex economic and social systems is increasing recently. An approac...