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» Towards a Theory of Services
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WWW
2010
ACM
15 years 9 months ago
Find me if you can: improving geographical prediction with social and spatial proximity
Geography and social relationships are inextricably intertwined; the people we interact with on a daily basis almost always live near us. As people spend more time online, data re...
Lars Backstrom, Eric Sun, Cameron Marlow
HICSS
2009
IEEE
116views Biometrics» more  HICSS 2009»
15 years 8 months ago
Systems Modeling for IP-Based Handoff Using Timed Petri Nets
The mechanisms and design principles needed for achieving optimized handoff for mobile Internet services are poorly understood and need better analysis. This paper contributes to ...
Ashutosh Dutta, Bryan Lyles, Henning Schulzrinne, ...
120
Voted
HICSS
2009
IEEE
130views Biometrics» more  HICSS 2009»
15 years 8 months ago
Are There Contagion Effects in the Diffusion of IT Outsourcing?
Growth in the IT outsourcing industry during the past ten years has been exceptional. In this study, we theorize about and analyze the growth patterns of IT outsourcing at the leve...
Kunsoo Han, Robert J. Kauffman, Arti Mann, Barrie ...
SACMAT
2009
ACM
15 years 8 months ago
Supporting RBAC with XACML+OWL
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Rodolfo Ferrini, Elisa Bertino
SIGDOC
2009
ACM
15 years 8 months ago
Modeling task experience in user assistance systems
One of the major issues for user assistance systems consists of “providing help at an appropriate level”. In this paper we analyze the problem of modeling task experience — ...
Andrea Kohlhase, Michael Kohlhase