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DOLAP
2004
ACM
14 years 2 months ago
Experimental evidence on partitioning in parallel data warehouses
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
Pedro Furtado
HIPC
2004
Springer
14 years 2 months ago
Performance Characteristics of a Cosmology Package on Leading HPC Architectures
Abstract. The Cosmic Microwave Background (CMB) is a snapshot of the Universe some 400,000 years after the Big Bang. The pattern of anisotropies in the CMB carries a wealth of info...
Jonathan Carter, Julian Borrill, Leonid Oliker
VISUALIZATION
2002
IEEE
14 years 2 months ago
Tensor Field Visualisation using Adaptive Filtering of Noise Fields combined with Glyph Rendering
While many methods exist for visualising scalar and vector data, visualisation of tensor data is still troublesome. We present a method for visualising second order tensors in thr...
Andreas Sigfridsson, Tino Ebbers, Einar Heiberg, L...
ACMDIS
2008
ACM
13 years 11 months ago
Handy navigation in ever-changing spaces: an ethnographic study of firefighting practices
This paper presents an ethnographic study, conducted to gain an insight of the practices around navigation of firefighters on the first line of intervention. We argue that the com...
Sebastian Denef, Leonardo Ramirez, Tobias Dyrks, G...
INFOSCALE
2007
ACM
13 years 10 months ago
A model-based WiFi localization method
—Due to the proliferation of WiFi access points, indoor localization methods based on WiFi signal strengths are becoming more and more attractive because they don’t require add...
Dik Lun Lee, Qiuxia Chen