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EUROPKI
2007
Springer
14 years 5 months ago
Authorization Architectures for Privacy-Respecting Surveillance
Even more than in our physical world, in our digital world we need systems that meet the security objective of service providers and users in equal measure. This paper investigates...
Ulrich Flegel, Michael Meier
ESA
2005
Springer
155views Algorithms» more  ESA 2005»
14 years 4 months ago
Highway Hierarchies Hasten Exact Shortest Path Queries
We present a new speedup technique for route planning that exploits the hierarchy inherent in real world road networks. Our algorithm preprocesses the eight digit number of nodes n...
Peter Sanders, Dominik Schultes
ESANN
2004
14 years 17 days ago
Clustering functional data with the SOM algorithm
Abstract. In many situations, high dimensional data can be considered as sampled functions. We show in this paper how to implement a Self-Organizing Map (SOM) on such data by appro...
Fabrice Rossi, Brieuc Conan-Guez, Aïcha El Go...
ICML
1995
IEEE
14 years 12 months ago
Visualizing High-Dimensional Structure with the Incremental Grid Growing Neural Network
Understanding high-dimensional real world data usually requires learning the structure of the data space. The structure maycontain high-dimensional clusters that are related in co...
Justine Blackmore, Risto Miikkulainen
WWW
2006
ACM
14 years 12 months ago
Tables and trees don't mix (very well)
There are principal differences between the relational model and XML's tree model. This causes problems in all cases where information from these two worlds has to be brought...
Erik Wilde