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CIKM
2011
Springer
14 years 6 months ago
Content-driven detection of campaigns in social media
We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns – ranging from coordinated spam messages to promotional and advert...
Kyumin Lee, James Caverlee, Zhiyuan Cheng, Daniel ...
SACMAT
2009
ACM
16 years 19 days 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
ICMCS
2006
IEEE
141views Multimedia» more  ICMCS 2006»
16 years 4 days ago
Ripple-Stream: Safeguarding P2P Streaming Against Dos Attacks
— Compared with file-sharing and distributed hash table (DHT) network, P2P streaming is more vulnerable to denial of service (DoS) attacks because of its high bandwidth demand a...
Wenjie Wang, Yongqiang Xiong, Qian Zhang, Sugih Ja...
EDOC
2003
IEEE
15 years 11 months ago
Model Driven Security: Unification of Authorization Models for Fine-Grain Access Control
The research vision of the Unified Component Meta Model Framework (UniFrame) is to develop an infrastructure for components that enables a plug and play component environment wher...
Carol C. Burt, Barrett R. Bryant, Rajeev R. Raje, ...
ICNP
1999
IEEE
15 years 10 months ago
Minimum Rate Guarantee Without Per-Flow Information
This paper introduces a scalable maxmin flow control protocol which guarantees the minimum rate for each connection-oriented flow without requiring per-flow information. The proto...
Yuseok Kim, Wei Kang Tsai, Mahadevan Iyer, Jordi R...