546 search results - page 80 / 110 » ADS as Information Management Service in an M-Learning Envir... |
CCS
2007
ACM
14 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
CHI
2010
ACM
14 years 3 months ago
2010
ACM
Half the world’s population is expected to live in urban areas by 2020. The high human density and changes in peoples’ consumption habits result in an everincreasing amount of...
SAINT
2007
IEEE
14 years 3 months ago
2007
IEEE
Peer-to-Peer (P2P) technology is regarded as being disruptive for traditional fixed and mobile operators. However, it can also be considered as an opportunity for new ways of serv...
HPDC
2010
IEEE
13 years 10 months ago
2010
IEEE
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
SAC
1999
ACM
14 years 1 months ago
1999
ACM
To provide data consistency in the presence of failures and concurrency, database methods will continue to be important to the processing of shared information in a mobile computi...