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MOBIHOC
2007
ACM
16 years 4 months ago
A random perturbation-based scheme for pairwise key establishment in sensor networks
A prerequisite for secure communications between two sensor nodes is that these nodes exclusively share a pairwise key. Although numerous pairwise key establishment (PKE) schemes ...
Wensheng Zhang, Minh Tran, Sencun Zhu, Guohong Cao
151
Voted
SIGCSE
2009
ACM
213views Education» more  SIGCSE 2009»
16 years 5 months ago
Engaging middle school teachers and students with alice in a diverse set of subjects
This paper describes the integration of the Alice 3D virtual worlds environment into a diverse set of subjects in middle school, including the development of tutorials, example wo...
Susan H. Rodger, Jenna Hayes, Gaetjens Lezin, Henr...
163
Voted
STOC
2005
ACM
184views Algorithms» more  STOC 2005»
15 years 10 months ago
Coresets in dynamic geometric data streams
A dynamic geometric data stream consists of a sequence of m insert/delete operations of points from the discrete space {1, . . . , ∆}d [26]. We develop streaming (1 + )-approxim...
Gereon Frahling, Christian Sohler
GIS
2006
ACM
16 years 5 months ago
Optimization of multiple continuous queries over streaming satellite data
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
Quinn Hart, Michael Gertz
GIS
2006
ACM
16 years 5 months ago
Generalization of land cover maps by mixed integer programming
We present a novel method for the automatic generalization of land cover maps. A land cover map is composed of areas that collectively form a tessellation of the plane and each ar...
Jan-Henrik Haunert, Alexander Wolff