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ICASSP
2009
IEEE
15 years 4 months ago
On acoustic surveillance of hazardous situations
The present study presents a practical methodology for automatic space monitoring based solely on the perceived acoustic information. We consider the case where atypical situation...
Stavros Ntalampiras, Ilyas Potamitis, Nikos Fakota...
VLUDS
2010
163views Visualization» more  VLUDS 2010»
15 years 1 months ago
Modeling and visualizing urban sprawl and carbon footprints in Phoenix metropolitan area
Urban planners are dealing with problems of urban sprawl and CO2 emissions. The multidimensional character of these phenomena requires new analysis and visualization tools that ar...
Sebastian Petsch, Subhrajit Guhathakurta, Hans Hag...
ICDE
2004
IEEE
144views Database» more  ICDE 2004»
16 years 8 months ago
Spatio-Temporal Aggregation Using Sketches
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
Yufei Tao, George Kollios, Jeffrey Considine, Feif...
VLDB
2005
ACM
184views Database» more  VLDB 2005»
16 years 7 months ago
Rule-based workflow management for bioinformatics
We describe a data-centric software architecture for bioinformatics workflows and a rule-based workflow enactment system that uses declarative specifications of data dependences be...
John S. Conery, Julian Catchen, Michael Lynch
EDBT
2006
ACM
129views Database» more  EDBT 2006»
16 years 6 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao