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HUC
2009
Springer
14 years 1 months ago
Privately querying location-based services with SybilQuery
To usefully query a location-based service, a mobile device must typically present its own location in its query to the server. This may not be acceptable to clients that wish to ...
Pravin Shankar, Vinod Ganapathy, Liviu Iftode
AGENTS
1997
Springer
14 years 1 months ago
Challenger: A Multi-agent System for Distributed Resource Allocation
In this paper we introduce Challenger, a multiagent system that performs completely distributed resource allocation. Challenger consists of agents which individually manage local ...
Anthony Chavez, Alexandros Moukas, Pattie Maes
AGENTS
1997
Springer
14 years 1 months ago
Agent-Based Expert Assistance for Visual Problem Solving
This paper presents a domain-independent architecture for facilitating visual problem solving between robots or softbots and humans. The architecture de nes virtual and human agen...
Erika Rogers, Robin R. Murphy, Barb Ericson
CCS
2007
ACM
14 years 1 months ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...
CCS
2010
ACM
14 years 20 days ago
Scene tagging: image-based CAPTCHA using image composition and object relationships
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
Peter Matthews, Cliff Changchun Zou