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GIS
2009
ACM
14 years 8 months ago
Map Matching and Uncertainty: an Algorithm and Real-World Experiments
A common problem in moving object databases (MOD) is the reconstruction of a trajectory from a trajectory sample (i.e., a finite sequence of time-space points). A typical solution...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
EDBT
2009
ACM
162views Database» more  EDBT 2009»
14 years 1 months ago
A data model for trip planning in multimodal transportation systems
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
Joel Booth, A. Prasad Sistla, Ouri Wolfson, Isabel...
ICDE
2011
IEEE
224views Database» more  ICDE 2011»
12 years 10 months ago
SmartTrace: Finding similar trajectories in smartphone networks without disclosing the traces
—In this demonstration paper, we present a powerful distributed framework for finding similar trajectories in a smartphone network, without disclosing the traces of participatin...
Costandinos Costa, Christos Laoudias, Demetrios Ze...
IJISTA
2006
113views more  IJISTA 2006»
13 years 7 months ago
Extraction of mid-level semantics from gesture videos using a Bayesian network
In this paper a method for extraction of mid-level semantics from sign language videos is proposed, by employing high level domain knowledge. The semantics concern labeling of the ...
Dimitrios I. Kosmopoulos, Ilias Maglogiannis
SOSP
2009
ACM
14 years 3 months ago
Fabric: a platform for secure distributed computation and storage
Fabric is a new system and language for building secure distributed information systems. It is a decentralized system that allows heterogeneous network nodes to securely share bot...
Jed Liu, Michael D. George, K. Vikram, Xin Qi, Luc...