An image-based approach to extreme scale in situ visualization and analysis

J Ahrens, S Jourdain, P O'Leary… - SC'14: Proceedings …, 2014 - ieeexplore.ieee.org
Extreme scale scientific simulations are leading a charge to exascale computation, and data
analytics runs the risk of being a bottleneck to scientific discovery. Due to power and I/O …

Optimizing bitmap indices with efficient compression

K Wu, EJ Otoo, A Shoshani - ACM Transactions on Database Systems …, 2006 - dl.acm.org
Bitmap indices are efficient for answering queries on low-cardinality attributes. In this article,
we present a new compression scheme called Word-Aligned Hybrid (WAH) code that makes …

Optimizing connected component labeling algorithms

K Wu, E Otoo, A Shoshani - Medical Imaging 2005: Image …, 2005 - spiedigitallibrary.org
This paper presents two new strategies that can be used to greatly improve the speed of
connected component labeling algorithms. To assign a label to a new object, most …

Data reduction techniques for simulation, visualization and data analysis

S Li, N Marsaglia, C Garth, J Woodring… - Computer graphics …, 2018 - Wiley Online Library
Data reduction is increasingly being applied to scientific data for numerical simulations,
scientific visualizations and data analyses. It is most often used to lower I/O and storage …

FastBit: interactively searching massive data

K Wu, S Ahern, EW Bethel, J Chen… - Journal of Physics …, 2009 - iopscience.iop.org
As scientific instruments and computer simulations produce more and more data, the task of
locating the essential information to gain insight becomes increasingly difficult. FastBit is an …

On the performance of bitmap indices for high cardinality attributes

K Wu, E Otoo, A Shoshani - VLDB, 2004 - books.google.com
It is well established that bitmap indices are efficient for read-only attributes with low attribute
cardinalities. For an attribute with a high cardinality, the size of the bitmap index can be very …

A novel approach for approximate aggregations over arrays

Y Wang, Y Su, G Agrawal - … of the 27th International Conference on …, 2015 - dl.acm.org
Approximate aggregation has been a popular approach for interactive data analysis and
decision making, especially on large-scale datasets. While there is clearly a need to apply …

Applications of computation-in-memory architectures based on memristive devices

S Hamdioui, HA Du Nguyen, M Taouil… - … , Automation & Test …, 2019 - ieeexplore.ieee.org
Today's computing architectures and device technologies are unable to meet the
increasingly stringent demands on energy and performance posed by emerging …