Matthew Schnaider

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Modern technology and omnipresent computing and communication facilities are leading us closer to the ubiquitous computing vision. However, the very nature of ubicomp infrastructure, the openness of the environments and the characteristics of the interactions pose unique security and privacy challenges. We anticipate that the vast number of interactions(More)
We developed a locative fiction application called nan0sphere and deployed it on the UCLA campus. This application presents an interactive narrative to users working in a group as they move around the campus. Based on each user’s current location, previously visited locations, actions taken, and on the similar attributes of other users in the same group,(More)
Reliable information concerning the reverse path to a particular source address space would be useful for a number of applications, most notably for the filtering of packets with spoofed source addresses. The SAVE protocol makes this information available at every router, although, in the absence of full deployment, it is difficult for SAVE to maintain(More)
This paper covers topics related to privacy and trust negotiation applied in pervasive information systems. We consider the turbulent nature of pervasive environments and highlight special privacy and trust issues that arise from it. The current state of trust negotiation is summarized. We propose an extended negotiation model that not only enables parties’(More)
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