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» Computational thinking and thinking about computing
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IPPS
1996
IEEE
13 years 11 months ago
Practical Parallel Algorithms for Dynamic Data Redistribution, Median Finding, and Selection
A common statistical problem is that of nding the median element in a set of data. This paper presents a fastand portable parallel algorithm for nding the median given a set of el...
David A. Bader, Joseph JáJá
IPPS
1996
IEEE
13 years 11 months ago
Parallel Algorithms for Image Enhancement and Segmentation by Region Growing with an Experimental Study
This paper presents e cient and portable implementations of a useful image enhancement process, the Symmetric Neighborhood Filter SNF, and an image segmentation technique which ma...
David A. Bader, Joseph JáJá, David H...
GRID
2007
Springer
13 years 11 months ago
Optimizing multiple queries on scientific datasets with partial replicas
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...
Li Weng, Ümit V. Çatalyürek, Tahs...
VISUALIZATION
1995
IEEE
13 years 11 months ago
An Integrated Approach for Steering, Visualization, and Analysis of Atmospheric Simulations
In the research described here, we have constructed at tightly coupled set of methods for monitoring, steering, and applying visual analysis to large scale simulations. This work ...
Yves Jean, Thomas Kindler, William Ribarsky, Weimi...
CCS
2008
ACM
13 years 9 months ago
User-controllable learning of security and privacy policies
Studies have shown that users have great difficulty specifying their security and privacy policies in a variety of application domains. While machine learning techniques have succ...
Patrick Gage Kelley, Paul Hankes Drielsma, Norman ...