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VIS
2004
IEEE
146views Visualization» more  VIS 2004»
16 years 7 months ago
Tracking of Vector Field Singularities in Unstructured 3D Time-Dependent Datasets
In this paper, we present an approach for monitoring the positions of vector field singularities in time-dependent datasets. The concept of singularity index is discussed and exte...
Christoph Garth, Xavier Tricoche, Gerik Scheuerman...
PVLDB
2010
184views more  PVLDB 2010»
15 years 5 months ago
TimeTrails: A System for Exploring Spatio-Temporal Information in Documents
Spatial and temporal data have become ubiquitous in many application domains such as the Geosciences or life sciences. Sophisticated database management systems are employed to ma...
Jannik Strötgen, Michael Gertz
ICC
2009
IEEE
15 years 4 months ago
Multiple-Ring Based Modeling and Simulation of Wideband Space-Time-Frequency MIMO Channels
In this paper, based on the concept of the Tapped Delay Line (TDL) structure, we first propose a new wideband multiple-ring Multiple Input Multiple Output (MIMO) channel reference ...
Xiang Cheng, Cheng-Xiang Wang, David I. Laurenson
GIS
2006
ACM
16 years 7 months ago
Analyzing theme, space, and time: an ontology-based approach
The W3C's Semantic Web Activity is illustrating the use of semantics for information integration, search, and analysis. However, the majority of the work in this community ha...
Matthew Perry, Farshad Hakimpour, Amit P. Sheth
COSIT
2009
Springer
146views GIS» more  COSIT 2009»
16 years 1 months ago
Decentralized Time Geography for Ad-Hoc Collaborative Planning
For an autonomous physical agent, such as a moving robot or a person with their mobile device, performing a task in a spatio-temporal environment often requires interaction with ot...
Martin Raubal, Stephan Winter, Christopher Dorr