Publications
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Origami embedding of piecewise-linear two-manifolds
Answering a question of Erik Demaine, we prove that the surface of any bounded polyhedron in Euclidean 3-space can be folded flat.
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+Why and how to perform fraud experiments
In this article, we look closer at how to perform fraud experiments.
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Teachers’ Use Of Student Data Systems To Improve Instruction: 2005-2007
The current brief is the second in a two-part series examining teachers’ access to and use of data from student data systems.
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Enabling extensibility of sensing systems through automatic composition over physical location
This paper addresses the problem of enabling developers to develop extensible networked sensing systems.
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A unifying perspective on the capacity of wireless ad hoc networks
We present the first unified modeling framework for the computation of the throughput capacity of random wireless ad hoc networks in which information is disseminated by means of unicast routing,…
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Bias induced change in effective mobility of polymer transistors
Changes in the mobility, induced by an extended application of a gate bias, are reported in polythiophene TFTs.
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A unifying perspective on the capacity of wireless ad hoc networks
We present the first unified modeling framework for the computation of the throughput capacity of random wireless ad hoc networks in which information is disseminated by means of unicast routing,…
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Keyholes: selective sharing in close collaboration
We describe keyholes, content annotations where authors or readers enter metadata within a document to indicate what gets shared, with whom, and why.
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Digital paper bookmarks: Collaborative structuring, indexing and tagging of paper documents
We present a first prototype of digital paper bookmarks, writable adhesive stickers which combine the intuitiveness of paper bookmarks with electronic processing.
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Love and authentication
We show that many of the questions used by online matchmaking services are suitable as security questions.
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Lifting the veil: improving accountability and social transparency in Wikipedia with WikiDashboard
Here we describe a social dynamic analysis tool called WikiDashboard to investigate how the tool can improve social transparency and accountability on Wikipedia articles.
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Activity-based serendipitous recommendations with the Magitti mobile leisure guide
This paper presents a context-aware mobile recommender system, codenamed Magitti.