DocumentCode :
229061
Title :
ADR visualization: A generalized framework for ranking large-scale scientific data using Analysis-Driven Refinement
Author :
Nouanesengsy, Boonthanome ; Woodring, Jonathan ; Patchett, John ; Myers, Kary ; Ahrens, James
Author_Institution :
Los Alamos Nat. Lab., Los Alamos, NM, USA
fYear :
2014
fDate :
9-10 Nov. 2014
Firstpage :
43
Lastpage :
50
Abstract :
Prioritization of data is necessary for managing large-scale scientific data, as the scale of the data implies that there are only enough resources available to process a limited subset of the data. For example, data prioritization is used during in situ triage to scale with bandwidth bottlenecks, and used during focus+context visualization to save time during analysis by guiding the user to important information. In this paper, we present ADR visualization, a generalized analysis framework for ranking large-scale data using Analysis-Driven Refinement (ADR), which is inspired by Adaptive Mesh Refinement (AMR). A large-scale data set is partitioned in space, time, and variable, using user-defined importance measurements for prioritization. This process creates a prioritization tree over the data set. Using this tree, selection methods can generate sparse data products for analysis, such as focus+context visualizations or sparse data sets.
Keywords :
data analysis; data visualisation; natural sciences computing; trees (mathematics); ADR visualization; AMR; adaptive mesh refinement; analysis-driven refinement; data prioritization; focus-context visualizations; generalized analysis framework; large-scale scientific data ranking; prioritization tree; selection methods; sparse data products; sparse data sets; user-defined importance measurements; Context; Data models; Data visualization; Entropy; Extraterrestrial measurements; Partitioning algorithms; Time measurement; adaptive mesh refinement; big data; data triage; focus+context; large-scale data; prioritization; scientific data;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Large Data Analysis and Visualization (LDAV), 2014 IEEE 4th Symposium on
Conference_Location :
Paris
Type :
conf
DOI :
10.1109/LDAV.2014.7013203
Filename :
7013203
Link To Document :
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