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» Temporal Knowledge Acquisition and Modeling
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MOBISYS
2009
ACM
14 years 8 months ago
A methodology for extracting temporal properties from sensor network data streams
The extraction of temporal characteristics from sensor data streams can reveal important properties about the sensed events. Knowledge of temporal characteristics in applications ...
Dimitrios Lymberopoulos, Athanasios Bamis, Andreas...
CVPR
2009
IEEE
14 years 2 months ago
Learning multi-modal densities on Discriminative Temporal Interaction Manifold for group activity recognition
While video-based activity analysis and recognition has received much attention, existing body of work mostly deals with single object/person case. Coordinated multi-object activi...
Ruonan Li, Rama Chellappa, Shaohua Kevin Zhou
IRCDL
2008
13 years 9 months ago
Video Event Annotation using Ontologies with Temporal Reasoning
Annotation and retrieval tools for multimedia digital libraries have to cope with the complexity of multimedia content. In particular, when dealing with video content, annotation ...
Marco Bertini, Alberto Del Bimbo, Giuseppe Serra
ICDE
2009
IEEE
182views Database» more  ICDE 2009»
14 years 9 months ago
Environmental Monitoring 2.0
A sensor network data gathering and visualization infrastructure is demonstrated, comprising of Global Sensor Networks (GSN) middleware and Microsoft SensorMap. Users are invited t...
Sebastian Michel, Ali Salehi, Liqian Luo, Nicholas...
ICDE
2002
IEEE
149views Database» more  ICDE 2002»
14 years 9 months ago
Indexing Spatio-Temporal Data Warehouses
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Panos Kalnis, Jun Zh...