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» Competition, Cooperation, and Authorization
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UIST
2006
ACM
16 years 3 days ago
Interactive environment-aware display bubbles
Interactive environment-aware display bubbles have been introduced in a novel display metaphor [3] which allows screens to be instantiated with a freeform shape anywhere on demand...
Daniel Cotting, Markus H. Gross
ISPEC
2005
Springer
15 years 11 months ago
On the Security of Some Nonrepudiable Threshold Proxy Signature Schemes
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
Zuowen Tan, Zhuojun Liu, Wang Mingsheng
MHCI
2005
Springer
15 years 11 months ago
Mystery in the museum: collaborative learning activities using handheld devices
In this paper, we describe the experience of designing a collaborative learning activity for a traditional historical/cultural museum. The activity, based on a “Mystery in the M...
Jorge Simarro Cabrera, Henar Muñoz Frutos, ...
ESORICS
2004
Springer
15 years 11 months ago
An Algebra for Composing Enterprise Privacy Policies
Abstract. Enterprise privacy enforcement allows enterprises to internally enforce a privacy policy that the enterprise has decided to comply to. To facilitate the compliance with d...
Michael Backes, Markus Dürmuth, Rainer Steinw...
187
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JELIA
2004
Springer
15 years 11 months ago
Hierarchical Decision Making by Autonomous Agents
Abstract. Often, decision making involves autonomous agents that are structured in a complex hierarchy, representing e.g. authority. Typically the agents share the same body of kno...
Stijn Heymans, Davy Van Nieuwenborgh, Dirk Vermeir