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Cluster and Calendar based Visualization of Time Series Data

by Jarke J. Van Wijk - In INFOVIS ’99: Proceedings of the 1999 IEEE Symposium on Information Visualization , 1999
"... A new method is presented to get insight into univariate time series data. The problem addressed here is how to identify patterns and trends on multiple time scales (days, weeks, seasons) simultaneously. The solution presented is to cluster similar daily data patterns, and to visualize the average p ..."
Abstract - Cited by 92 (0 self) - Add to MetaCart
A new method is presented to get insight into univariate time series data. The problem addressed here is how to identify patterns and trends on multiple time scales (days, weeks, seasons) simultaneously. The solution presented is to cluster similar daily data patterns, and to visualize the average

High Performance Multivariate Visual Data Exploration for Extremely Large Data

by Oliver Rübel, Kesheng Wu, Hank Childs, Jeremy Meredith, Cameron G. R. Geddes, Estelle Cormier-michel, Sean Ahern, Gunther H. Weber, Peter Messmer, Hans Hagen, Bernd Hamann, E. Wes Bethel
"... Abstract—One of the central challenges in modern science is the need to quickly derive knowledge and understanding from large, complex collections of data. We present a new approach that deals with this challenge by combining and extending techniques from high performance visual data analysis and sc ..."
Abstract - Cited by 35 (12 self) - Add to MetaCart
and scientific data management. This approach is demonstrated within the context of gaining insight from complex, time-varying datasets produced by a laser wakefield accelerator simulation. Our approach leverages histogram-based parallel coordinates for both visual information display as well as a vehicle

Year-Long Time-Varying 3D Air Quality Data

by Aidong Lu, Wei Chen, William Ribarsky, David Ebert, Aidong Lu, Wei Chen, William Ribarsky, David Ebert
"... Abstract. Understanding air quality data is important for many environmental and climatic applications that are crucial to our daily life. It is often challenging to handle these 3D datasets due to their large number of time steps and multiple in-teractional chemicals. In this paper, we design and g ..."
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and generate knowledge templates for visually analyzing multi-field, time-varying 3D air quality data. Specifically, we design a set of multi-level knowledge templates to capture important statistical data properties based on the distribution features of air quality data. We develop a fast template synthesis

DOI: xxxxxx Interactive Information Visualization to Explore and Query Electronic Health Records

by Er Rind, Taowei David, Wolfgang Aigner, Silvia Miksch, Catherine Plaisant
"... Physicians are confronted with increasingly complex patient histories from which they must make life-critical treatment decisions. At the same time, clinical researchers are eager to study the growing databases of patient histories to detect unknown patterns, ensure quality control, and discover sur ..."
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surprising outcomes. Designers of Electronic Health Record systems (EHRs) have great potential to apply innovative visual methods to support clinical decision-making and research. This work surveys the state-of-the-art of information visualization systems for exploring and querying EHRs, as described

Visual Steering and Verification of Mass Spectrometry Data Factorization in Air Quality Research

by Daniel Engel, Anthony Wexler, Bernd Hamann, Hans Hagen
"... Abstract — Thestudyofaerosolcompositionforairqualityresearchinvolves the analysis of high-dimensional single particle mass spectrometry data. We describe, apply, and evaluate a novel interactive visual framework for dimensionality reduction ofsuchdata. Our framework is based on non-negative matrix f ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
Abstract — Thestudyofaerosolcompositionforairqualityresearchinvolves the analysis of high-dimensional single particle mass spectrometry data. We describe, apply, and evaluate a novel interactive visual framework for dimensionality reduction ofsuchdata. Our framework is based on non-negative matrix

Exploring Spatiotemporal Patterns By Integrating Visual Analytics With A Moving Objects Database System

by Mahmoud A. Sakr, Thomas Behr, Ralf Hartmut Güting, Gennady Andrienko, Natalia Andrienko, Christophe Hurter
"... In previous work, we have proposed a tool for Spatiotemporal Pat-tern Query. It matches individual moving object trajectories against a given movement pattern. For example, it can be used to find the situations of Missed Approach in ATC data (Air Traffic Control sys-tems, used for tracking the movem ..."
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In previous work, we have proposed a tool for Spatiotemporal Pat-tern Query. It matches individual moving object trajectories against a given movement pattern. For example, it can be used to find the situations of Missed Approach in ATC data (Air Traffic Control sys-tems, used for tracking

Exposure Mapping Using Air Quality Modelling

by A Scoggins, Gavin Fisher, Tord Kjellstrom
"... This study explores the development of new techniques able to be applied to a rapidly growing environmental applications area – assessment of exposures and public health effects of ambient air pollution. The technique has been applied as a test case in Auckland, with the implication that it could be ..."
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be further adapted to apply to other cities, both in New Zealand and overseas. The research involved translation of the results of urban airshed modelling into GIS based exposure maps at a census area unit (CAU) scale over the Auckland region. This data was used to identify and compare air pollution spatial

Dynamic multiscale visualization of flight data

by Tijmen Klein, Matthew Van Der Zwan, Ru Telea - In Proc. VISAPP , 2014
"... Abstract: We present a novel set of techniques for visualization of very large data sets encoding flight information obtained from Air Traffic Control. The aims of our visualization are to provide a smooth way to explore the available information and find outlier spatio-temporal patterns by navigati ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Abstract: We present a novel set of techniques for visualization of very large data sets encoding flight information obtained from Air Traffic Control. The aims of our visualization are to provide a smooth way to explore the available information and find outlier spatio-temporal patterns

Distributed GIS for Monitoring and Modeling Urban Air Quality

by Chen-hsiang Yeang, Joseph Ferreira, Ayman Ismail - Proceedings of 6th International Conference in urban Planning and Urban Management , 1999
"... The progress of technology has made the measurement of air quality and the simulation of complex air pollution models both feasible and cost-effective. However, there is a long way to go in terms of facilitating widespread access to the data and models, and linking the monitoring of trace gases with ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
research team members at different locations to query, visualize, and process the cross-referenced data layers in order to generate surface level estimates of initial conditions for use in the air quality models.

A Polyline-Based Visualization Technique for Tagged Time-Varying Data

by Sayaka Yagi, Yumiko Uchida, Takayuki Itoh
"... We have various interesting time-varying data in our daily life, such as weather data (e.g., temperature and air pressure) and stock prices. Such time-varying data is often associated with other information: for example, temperatures can be associated with weather, and stock prices can be associated ..."
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. This paper presents a technique for polyline-based visualization and level-of-detail control of tagged time-varying data. Supposing the associated information is attached as tags of the time-varying values, the technique generates clusters of the time-varying values grouped by the tags, and selects
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