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Conference stringclasses 6 values	Year int64 1.99k 2.03k	Title stringlengths 8 187	DOI stringlengths 16 32	Abstract stringlengths 128 7.15k ⌀	Accessible bool 2 classes	Early bool 2 classes	AuthorNames-Deduped listlengths 1 29	Award listlengths 0 2	Resources listlengths 0 5	ResourceLinks listlengths 0 10
Vis	2,008	Hypothesis Generation in Climate Research with Interactive Visual Data Exploration	10.1109/TVCG.2008.139	One of the most prominent topics in climate research is the investigation, detection, and allocation of climate change. In this paper, we aim at identifying regions in the atmosphere (e.g., certain height layers) which can act as sensitive and robust indicators for climate change. We demonstrate how interactive visual ...	false	false	[ "Johannes Kehrer", "Florian Ladstädter", "Philipp Muigg", "Helmut Doleisch", "Andrea K. Steiner", "Helwig Hauser" ]	[]	[]	[]
Vis	2,008	Importance-Driven Time-Varying Data Visualization	10.1109/TVCG.2008.140	The ability to identify and present the most essential aspects of time-varying data is critically important in many areas of science and engineering. This paper introduces an importance-driven approach to time-varying volume data visualization for enhancing that ability. By conducting a block-wise analysis of the data ...	false	false	[ "Chaoli Wang 0001", "Hongfeng Yu 0001", "Kwan-Liu Ma" ]	[]	[]	[]
Vis	2,008	Interactive Blood Damage Analysis for Ventricular Assist Devices	10.1109/TVCG.2008.142	Ventricular Assist Devices (VADs) support the heart in its vital task of maintaining circulation in the human body when the heart alone is not able to maintain a sufficient flow rate due to illness or degenerative diseases. However, the engineering of these devices is a highly demanding task. Advanced modeling methods ...	false	false	[ "Bernd Hentschel 0001", "Irene Tedjo-Palczynski", "Markus Probst", "Marc Wolter", "Marek Behr", "Christian H. Bischof", "Torsten W. Kuhlen" ]	[ "BA" ]	[]	[]
Vis	2,008	Interactive Comparison of Scalar fields Based on Largest Contours with Applications to Flow Visualization	10.1109/TVCG.2008.143	Understanding fluid flow data, especially vortices, is still a challenging task. Sophisticated visualization tools help to gain insight. In this paper, we present a novel approach for the interactive comparison of scalar fields using isosurfaces, and its application to fluid flow datasets. Features in two scalar fields...	false	false	[ "Dominic Schneider", "Alexander Wiebel", "Hamish A. Carr", "Mario Hlawitschka", "Gerik Scheuermann" ]	[]	[]	[]
Vis	2,008	Interactive Visual Steering - Rapid Visual Prototyping of a Common Rail Injection System	10.1109/TVCG.2008.145	Interactive steering with visualization has been a common goal of the visualization research community for twenty years, but it is rarely ever realized in practice. In this paper we describe a successful realization of a tightly coupled steering loop, integrating new simulation technology and interactive visual analysi...	false	false	[ "Kresimir Matkovic", "Denis Gracanin", "Mario Jelovic", "Helwig Hauser" ]	[]	[]	[]
Vis	2,008	Interactive Visualization and Analysis of Transitional Flow	10.1109/TVCG.2008.146	A stand-alone visualization application has been developed by a multi-disciplinary, collaborative team with the sole purpose of creating an interactive exploration environment allowing turbulent flow researchers to experiment and validate hypotheses using visualization. This system has specific optimizations made in da...	false	false	[ "Gregory P. Johnson", "Victor M. Calo", "Kelly P. Gaither" ]	[]	[]	[]
Vis	2,008	Interactive Volume Exploration for Feature Detection and Quantification in Industrial CT Data	10.1109/TVCG.2008.147	This paper presents a novel method for interactive exploration of industrial CT volumes such as cast metal parts, with the goal of interactively detecting, classifying, and quantifying features using a visualization-driven approach. The standard approach for defect detection builds on region growing, which requires man...	false	false	[ "Markus Hadwiger", "Laura Fritz", "Christof Rezk-Salama", "Thomas Höllt", "Georg Geier", "Thomas Pabel" ]	[]	[]	[]
Vis	2,008	Invariant Crease Lines for Topological and Structural Analysis of Tensor fields	10.1109/TVCG.2008.148	We introduce a versatile framework for characterizing and extracting salient structures in three-dimensional symmetric second-order tensor fields. The key insight is that degenerate lines in tensor fields, as defined by the standard topological approach, are exactly crease (ridge and valley) lines of a particular tenso...	false	false	[ "Xavier Tricoche", "Gordon L. Kindlmann", "Carl-Fredrik Westin" ]	[]	[]	[]
Vis	2,008	Novel interaction techniques for neurosurgical planning and stereotactic navigation	10.1109/TVCG.2008.150	Neurosurgical planning and image guided neurosurgery require the visualization of multimodal data obtained from various functional and structural image modalities, such as magnetic resonance imaging (MRI), computed tomography (CT), functional MRI, Single photon emission computed tomography (SPECT) and so on. In the cas...	false	false	[ "Alark Joshi", "Dustin Scheinost", "Kenneth P. Vives", "Dennis D. Spencer", "Lawrence H. Staib", "Xenophon Papademetris" ]	[]	[]	[]
Vis	2,008	Particle-based Sampling and Meshing of Surfaces in Multimaterial Volumes	10.1109/TVCG.2008.154	Methods that faithfully and robustly capture the geometry of complex material interfaces in labeled volume data are important for generating realistic and accurate visualizations and simulations of real-world objects. The generation of such multimaterial models from measured data poses two unique challenges: first, the...	false	false	[ "Miriah D. Meyer", "Ross T. Whitaker", "Robert M. Kirby", "Christian Ledergerber", "Hanspeter Pfister" ]	[]	[]	[]
Vis	2,008	Query-Driven Visualization of Time-Varying Adaptive Mesh Refinement Data	10.1109/TVCG.2008.157	The visualization and analysis of AMR-based simulations is integral to the process of obtaining new insight in scientific research. We present a new method for performing query-driven visualization and analysis on AMR data, with specific emphasis on time-varying AMR data. Our work introduces a new method that directly ...	false	false	[ "Luke J. Gosink", "John C. Anderson", "E. Wes Bethel", "Kenneth I. Joy" ]	[]	[]	[]
Vis	2,008	Relation-Aware Volume Exploration Pipeline	10.1109/TVCG.2008.159	Volume exploration is an important issue in scientific visualization. Research on volume exploration has been focused on revealing hidden structures in volumetric data. While the information of individual structures or features is useful in practice, spatial relations between structures are also important in many appli...	false	false	[ "Ming-Yuen Chan", "Huamin Qu", "Ka-Kei Chung", "Wai-Ho Mak", "Yingcai Wu" ]	[]	[]	[]
Vis	2,008	Revisiting Histograms and Isosurface Statistics	10.1109/TVCG.2008.160	Recent results have shown a link between geometric properties of isosurfaces and statistical properties of the underlying sampled data. However, this has two defects: not all of the properties described converge to the same solution, and the statistics computed are not always invariant under isosurface-preserving trans...	false	false	[ "Carlos Scheidegger", "John M. Schreiner", "Brian Duffy", "Hamish A. Carr", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,008	Sinus Endoscopy - Application of Advanced GPU Volume Rendering for Virtual Endoscopy	10.1109/TVCG.2008.161	For difficult cases in endoscopic sinus surgery, a careful planning of the intervention is necessary. Due to the reduced field of view during the intervention, the surgeons have less information about the surrounding structures in the working area compared to open surgery. Virtual endoscopy enables the visualization of...	false	false	[ "Arno Krüger", "Christoph Kubisch", "Gero Strauß", "Bernhard Preim" ]	[]	[]	[]
Vis	2,008	Size-based Transfer Functions: A New Volume Exploration Technique	10.1109/TVCG.2008.162	The visualization of complex 3D images remains a challenge, a fact that is magnified by the difficulty to classify or segment volume data. In this paper, we introduce size-based transfer functions, which map the local scale of features to color and opacity. Features in a data set with similar or identical scalar values...	false	false	[ "Carlos D. Correa", "Kwan-Liu Ma" ]	[]	[]	[]
Vis	2,008	Smoke Surfaces: An Interactive Flow Visualization Technique Inspired by Real-World Flow Experiments	10.1109/TVCG.2008.163	Smoke rendering is a standard technique for flow visualization. Most approaches are based on a volumetric, particle based, or image based representation of the smoke. This paper introduces an alternative representation of smoke structures: as semi-transparent streak surfaces. In order to make streak surface integration...	false	false	[ "Wolfram von Funck", "Tino Weinkauf", "Holger Theisel", "Hans-Peter Seidel" ]	[]	[]	[]
Vis	2,008	Smooth Surface Extraction from Unstructured Point-based Volume Data Using PDEs	10.1109/TVCG.2008.164	Smooth surface extraction using partial differential equations (PDEs) is a well-known and widely used technique for visualizing volume data. Existing approaches operate on gridded data and mainly on regular structured grids. When considering unstructured point-based volume data where sample points do not form regular p...	false	false	[ "Paul Rosenthal", "Lars Linsen" ]	[]	[]	[]
Vis	2,008	Surface Extraction from Multi-field Particle Volume Data Using Multi-dimensional Cluster Visualization	10.1109/TVCG.2008.167	Data sets resulting from physical simulations typically contain a multitude of physical variables. It is, therefore, desirable that visualization methods take into account the entire multi-field volume data rather than concentrating on one variable. We present a visualization approach based on surface extraction from m...	false	false	[ "Lars Linsen", "Tran Van Long", "Paul Rosenthal", "Stephan Rosswog" ]	[]	[]	[]
Vis	2,008	Text Scaffolds for Effective Surface Labeling	10.1109/TVCG.2008.168	In this paper we introduce a technique for applying textual labels to 3D surfaces. An effective labeling must balance the conflicting goals of conveying the shape of the surface while being legible from a range of viewing directions. Shape can be conveyed by placing the text as a texture directly on the surface, provid...	false	false	[ "Gregory Cipriano", "Michael Gleicher" ]	[]	[]	[]
Vis	2,008	Texture-based Transfer Functions for Direct Volume Rendering	10.1109/TVCG.2008.169	Visualization of volumetric data faces the difficult task of finding effective parameters for the transfer functions. Those parameters can determine the effectiveness and accuracy of the visualization. Frequently, volumetric data includes multiple structures and features that need to be differentiated. However, if thos...	false	false	[ "Jesus J. Caban", "Penny Rheingans" ]	[]	[]	[]
Vis	2,008	The Seismic Analyzer: Interpreting and Illustrating 2D Seismic Data	10.1109/TVCG.2008.170	We present a toolbox for quickly interpreting and illustrating 2D slices of seismic volumetric reflection data. Searching for oil and gas involves creating a structural overview of seismic reflection data to identify hydrocarbon reservoirs. We improve the search of seismic structures by precalculating the horizon struc...	false	false	[ "Daniel Patel", "Christopher Giertsen", "John Thurmond", "John Gjelberg", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,008	Vectorized Radviz and Its Application to Multiple Cluster Datasets	10.1109/TVCG.2008.173	Radviz is a radial visualization with dimensions assigned to points called dimensional anchors (DAs) placed on the circumference of a circle. Records are assigned locations within the circle as a function of its relative attraction to each of the DAs. The DAs can be moved either interactively or algorithmically to reve...	false	false	[ "John Sharko", "Georges G. Grinstein", "Kenneth A. Marx" ]	[]	[]	[]
Vis	2,008	VisComplete: Automating Suggestions for Visualization Pipelines	10.1109/TVCG.2008.174	Building visualization and analysis pipelines is a large hurdle in the adoption of visualization and workflow systems by domain scientists. In this paper, we propose techniques to help users construct pipelines by consensus-automatically suggesting completions based on a database of previously created pipelines. In par...	false	false	[ "David Koop", "Carlos Scheidegger", "Steven P. Callahan", "Juliana Freire", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,008	Visibility-driven Mesh Analysis and Visualization through Graph Cuts	10.1109/TVCG.2008.176	In this paper we present an algorithm that operates on a triangular mesh and classifies each face of a triangle as either inside or outside. We present three example applications of this core algorithm: normal orientation, inside removal, and layer-based visualization. The distinguishing feature of our algorithm is its...	false	false	[ "Kaichi Zhou", "Eugene Zhang", "Jirí Bittner", "Peter Wonka" ]	[]	[]	[]
Vis	2,008	Visiting the Gödel Universe	10.1109/TVCG.2008.177	Visualization of general relativity illustrates aspects of Einstein's insights into the curved nature of space and time to the expert as well as the layperson. One of the most interesting models which came up with Einstein's theory was developed by Kurt Godel in 1949. The Godel universe is a valid solution of Einstein'...	false	false	[ "Frank Grave", "Michael Buser" ]	[]	[]	[]
Vis	2,008	Visualization of Cellular and Microvascular Relationships	10.1109/TVCG.2008.179	Understanding the structure of microvasculature structures and their relationship to cells in biological tissue is an important and complex problem. Brain microvasculature in particular is known to play an important role in chronic diseases. However, these networks are only visible at the microscopic level and can span...	false	false	[ "David Mayerich", "Louise C. Abbott", "John Keyser" ]	[]	[]	[]
Vis	2,008	Visualization of Myocardial Perfusion Derived from Coronary Anatomy	10.1109/TVCG.2008.180	Visually assessing the effect of the coronary artery anatomy on the perfusion of the heart muscle in patients with coronary artery disease remains a challenging task. We explore the feasibility of visualizing this effect on perfusion using a numerical approach. We perform a computational simulation of the way blood is ...	false	false	[ "Maurice Termeer", "Javier Oliván Bescós", "Marcel Breeuwer", "Anna Vilanova", "Frans A. Gerritsen", "M. Eduard Gröller", "Eike Nagel" ]	[]	[]	[]
Vis	2,008	Visualizing Multiwavelength Astrophysical Data	10.1109/TVCG.2008.182	With recent advances in the measurement technology for allsky astrophysical imaging, our view of the sky is no longer limited to the tiny visible spectral range over the 2D Celestial sphere. We now can access a third dimension corresponding to a broad electromagnetic spectrum with a wide range of allsky surveys; these ...	false	false	[ "Hongwei Li", "Chi-Wing Fu", "Andrew J. Hanson" ]	[]	[]	[]
Vis	2,008	Visualizing Particle/Flow Structure Interactions in the Small Bronchial Tubes	10.1109/TVCG.2008.183	Particle deposition in the small bronchial tubes (generations six through twelve) is strongly influenced by the vortex-dominated secondary flows that are induced by axial curvature of the tubes. In this paper, we employ particle destination maps in conjunction with two-dimensional, finite-time Lyapunov exponent maps to...	false	false	[ "Bela Soni", "David S. Thompson", "Raghu Machiraju" ]	[]	[]	[]
Vis	2,008	Visualizing Temporal Patterns in Large Multivariate Data using Textual Pattern Matching	10.1109/TVCG.2008.184	Extracting and visualizing temporal patterns in large scientific data is an open problem in visualization research. First, there are few proven methods to flexibly and concisely define general temporal patterns for visualization. Second, with large time-dependent data sets, as typical with todaypsilas large-scale simul...	false	false	[ "Markus Glatter", "Jian Huang 0007", "Sean Ahern", "Jamison Daniel", "Aidong Lu" ]	[]	[]	[]
Vis	2,008	Volume MLS Ray Casting	10.1109/TVCG.2008.186	The method of Moving Least Squares (MLS) is a popular framework for reconstructing continuous functions from scattered data due to its rich mathematical properties and well-understood theoretical foundations. This paper applies MLS to volume rendering, providing a unified mathematical framework for ray casting of scala...	false	false	[ "Christian Ledergerber", "Gaël Guennebaud", "Miriah D. Meyer", "Moritz Bächer", "Hanspeter Pfister" ]	[]	[]	[]
VAST	2,008	A 3D treemap approach for analyzing the classificatory distribution in patent portfolios	10.1109/VAST.2008.4677380	Due to the complexity of the patent domain and the huge amount of data, advanced interactive visual techniques are needed to support the analysis of large patent collections and portfolios. In this paper we present a new approach for visualizing the classificatory distribution of patent collections among the Internatio...	false	false	[ "Mark Giereth", "Harald Bosch", "Thomas Ertl" ]	[]	[]	[]
VAST	2,008	A compound approach for interactive visualization of time-oriented data	10.1109/VAST.2008.4677374	Many real-world visual analytics applications involve time-oriented data. I am working in a research project related to this challenge where I am responsible for the interactive visualization part. My goal are interactive visualizations to explore such time-oriented data according to the user tasks while considering th...	false	false	[ "Tim Lammarsch" ]	[]	[]	[]
VAST	2,008	An information visualisation system for the understanding of web data	10.1109/VAST.2008.4677377	Internet has become one of the best communication and marketing tools. Hence, designing well-structured Web sites with the information or products that users look for is a crucial mission. For this reason, understanding Web data is a decisive task to assure the success of a Website. In that sense, data mining technique...	false	false	[ "Victor Pascual-Cid" ]	[]	[]	[]
VAST	2,008	Applied visual analytics for economic decision-making	10.1109/VAST.2008.4677363	This paper introduces the application of visual analytics techniques as a novel approach for improving economic decision making. Particularly, we focus on two known problems where subjectspsila behavior consistently deviates from the optimal, the Winnerpsilas and Loserpsilas Curse. According to economists, subjects fai...	false	false	[ "Anya Samak", "Ross Maciejewski", "David S. Ebert" ]	[]	[]	[]
VAST	2,008	Award: Efficient toolkit integration solving the cell phone calls challenge with the Prajna Project	10.1109/VAST.2008.4677396	The Prajna Project is a Java toolkit designed to provide various capabilities for visualization, knowledge representation, geographic displays, semantic reasoning, and data fusion. Rather than attempt to recreate the significant capabilities provided in other tools, Prajna instead provides software bridges to incorpora...	false	false	[ "Edward Swing" ]	[]	[]	[]
VAST	2,008	Cell phone mini challenge award: Intuitive social network graphs visual analytics of cell phone data using mobivis and ontovis	10.1109/VAST.2008.4677391	MobiVis is a visual analytics tools to aid in the process of processing and understanding complex relational data, such as social networks. At the core of these tools is the ability to filter complex networks structurally and semantically, which helps us discover clusters and patterns in the organization of social netw...	false	false	[ "Carlos D. Correa", "Tarik Crnovrsanin", "Chris Muelder", "Zeqian Shen", "Ryan Armstrong", "James Shearer", "Kwan-Liu Ma" ]	[]	[]	[]
VAST	2,008	Cell phone mini challenge award: Social network accuracy - exploring temporal communication in mobile call graphs	10.1109/VAST.2008.4677389	In the mobile call mini challenge of VAST 2008 contest, we explored the temporal communication patterns of Catalano/Vidro social network which is reflected in the mobile call data. We focus on detecting the hierarchy of the social network and try to get the important actors in it. We present our tools and methods in th...	false	false	[ "Qi Ye", "Tian Zhu 0001", "Deyong Hu", "Bin Wu 0001", "Nan Du", "Bai Wang 0001" ]	[]	[]	[]
VAST	2,008	Cell phone Mini Challenge: Node-link animation award animating multivariate dynamic social networks	10.1109/VAST.2008.4677393	This article describes the visualization tool developed for analysing a dynamic social network of phone calls, for the VAST 2008 mini challenge. The tool was designed to highlight temporal changes in the network, by animating different network visual representations. We also explain how animating these network represen...	false	false	[ "Michael Farrugia", "Aaron J. Quigley" ]	[]	[]	[]
VAST	2,008	Characterizing users' visual analytic activity for insight provenance	10.1109/VAST.2008.4677365	Insight provenance - a historical record of the process and rationale by which an insight is derived - is an essential requirement in many visual analytics applications. While work in this area has relied on either manually recorded provenance (e.g., user notes) or automatically recorded event-based insight provenance ...	false	false	[ "David Gotz", "Michelle X. Zhou" ]	[]	[]	[]
VAST	2,008	Collaborative synthesis of visual analytic results	10.1109/VAST.2008.4677358	Visual analytic tools allow analysts to generate large collections of useful analytical results. We anticipate that analysts in most real world situations will draw from these collections when working together to solve complicated problems. This indicates a need to understand how users synthesize multiple collections o...	false	false	[ "Anthony C. Robinson" ]	[]	[]	[]
VAST	2,008	Configurable Spaces: Temporal analysis in diagrammatic contexts	10.1109/VAST.2008.4677355	Social network graphs, concept maps, and process charts are examples of diagrammatic representations employed by intelligence analysts to understand complex systems. Unfortunately, these 2D representations currently do not easily convey the flow, sequence, tempo and other important dynamic behaviors within these system...	false	false	[ "Thomas Kapler", "Ryan Eccles", "Robert Harper 0002", "William Wright" ]	[]	[]	[]
VAST	2,008	Crystal structures classifier for an evolutionary algorithm structure predictor	10.1109/VAST.2008.4677351	USPEX is a crystal structure predictor based on an evolutionary algorithm. Every USPEX run produces hundreds or thousands of crystal structures, some of which may be identical. To ease the extraction of unique and potentially interesting structures we applied usual high-dimensional classification concepts to the unusua...	false	false	[ "Mario Valle", "Artem R. Oganov" ]	[]	[]	[]
VAST	2,008	Entity-based collaboration tools for intelligence analysis	10.1109/VAST.2008.4677362	Software tools that make it easier for analysts to collaborate as a natural part of their work will lead to better analysis that is informed by more perspectives. We are interested to know if software tools can be designed that support collaboration even as they allow analysts to find documents and organize information...	false	false	[ "Eric A. Bier", "Stuart K. Card", "John W. Bodnar" ]	[ "BP" ]	[]	[]
VAST	2,008	Envisioning user models for adaptive visualization	10.1109/VAST.2008.4677373	Adaptive search systems apply user models to provide better separation of relevant and non-relevant documents in a list of results. This paper presents our attempt to leverage this ability of user models in the context of visual information analysis. We developed an adaptive visualization approach for presentation and ...	false	false	[ "Jae-wook Ahn", "Peter Brusilovsky" ]	[]	[]	[]
VAST	2,008	Evacuation trace Mini Challenge award: Tool integration analysis of movements with Geospatial Visual Analytics Toolkit	10.1109/VAST.2008.4677388	The Geospatial Visual Analytics Toolkit intended for exploratory analysis of spatial and spatio-temporal data has been recently enriched with specific visual and computational techniques supporting analysis of data about movement. We applied these and other techniques to the data and tasks of Mini Challenge 4, where it...	false	false	[ "Natalia V. Andrienko", "Gennady L. Andrienko" ]	[]	[]	[]
VAST	2,008	Evacuation Traces Mini Challenge award: Innovative trace visualization staining for information discovery	10.1109/VAST.2008.4677395	Staining is a technique for categorizing time-varying spatial data; that is, data of things moving through space over time. In Staining, a stain is applied in either time or space, and the objects which move through the stain become marked. This technique and a research prototype demonstrating the technique were develo...	false	false	[ "Dennis J. Bouvier", "Britian Oates" ]	[]	[]	[]
VAST	2,008	Evacuation traces mini challenge: User testing to obtain consensus discovering the terrorist	10.1109/VAST.2008.4677390	The adoption of visual analytics methodologies in security applications is an approach that could lead to interesting results. Usually, the data that has to be analyzed finds in a graphical representation its preferred nature, such as spatial or temporal relationships. Due to the nature of these applications, it is ver...	false	false	[ "Adalberto L. Simeone", "Paolo Buono" ]	[]	[]	[]
VAST	2,008	Evaluating the relationship between user interaction and financial visual analysis	10.1109/VAST.2008.4677360	It has been widely accepted that interactive visualization techniques enable users to more effectively form hypotheses and identify areas for more detailed investigation. There have been numerous empirical user studies testing the effectiveness of specific visual analytical tools. However, there has been limited effort...	false	false	[ "Dong Hyun Jeong", "Wenwen Dou", "Heather Lipford", "Felesia Stukes", "Remco Chang", "William Ribarsky" ]	[]	[]	[]
VAST	2,008	Generating hypotheses of trends in high-dimensional data skeletons	10.1109/VAST.2008.4677367	We seek an information-revealing representation for high-dimensional data distributions that may contain local trends in certain subspaces. Examples are data that have continuous support in simple shapes with identifiable branches. Such data can be represented by a graph that consists of segments of locally fit princip...	false	false	[ "Chandan K. Reddy", "Snehal Pokharkar", "Tin Kam Ho" ]	[]	[]	[]
VAST	2,008	Grand challenge award 2008: Support for diverse analytic techniques - nSpace2 and GeoTime visual analytics	10.1109/VAST.2008.4677385	GeoTime and nSpace2 are interactive visual analytics tools that were used to examine and interpret all four of the 2008 VAST Challenge datasets. GeoTime excels in visualizing event patterns in time and space, or in time and any abstract landscape, while nSpace2 is a web-based analytical tool designed to support every s...	false	false	[ "Lynn Chien", "Annie Tat", "Pascale Proulx", "Adeel Khamisa", "William Wright" ]	[]	[]	[]
VAST	2,008	Grand challenge award: Data integration visualization and collaboration in the VAST 2008 Challenge	10.1109/VAST.2008.4677384	The VAST 2008 Challenge consisted of four heterogeneous synthetic data sets each organized into separate mini-challenges. The Grand Challenge required integrating the raw data from these four data sets as well as integrating results and findings from team members working on specific mini-challenges. Modeling the proble...	false	false	[ "Donald A. Pellegrino", "Chi-Chun Pan", "Anthony C. Robinson", "Michael Stryker", "Junyan Luo", "Chris E. Weaver", "Prasenjit Mitra", "Chaomei Chen", "Ian Turton", "Alan M. MacEachren" ]	[]	[]	[]
VAST	2,008	Grand challenge award: Interactive visual analytics palantir: The future of analysis	10.1109/VAST.2008.4677386	Palantir is a world-class analytic platform used worldwide by governmental and financial analysts. This paper provides an introduction to the platform contextualized by its application to the 2008 IEEE VAST contest. In this challenge, we explored a notional dataset about a fabricated religious movement, Catalanopsilas ...	false	false	[ "Jason Payne", "Jake Solomon", "Ravi Sankar", "Bob McGrew" ]	[]	[]	[]
VAST	2,008	Interactive poster - SocialRank: An ego- and time-centric workflow for relationship identification	10.1109/VAST.2008.4677375	From instant messaging and email to wikis and blogs, millions of individuals are generating content that reflects their relationships with others in the world, both online and offline. Since communication artifacts are recordings of life events, we can gain insights into the social attributes and structures of the peop...	false	false	[ "Jaime Montemayor", "Christopher P. Diehl", "Michael J. Pekala", "David Patrone" ]	[]	[]	[]
VAST	2,008	Interactive poster: Visual analytic techniques for CO₂ emissions and concentrations in the United States	10.1109/VAST.2008.4677372	Climate change has emerged as one of the grand global challenges facing humanity. The dominant anthropogenic greenhouse gas that seems to be contributing to the climate change problem, carbon dioxide (CO2), has a complex cycle through the atmosphere, oceans and biosphere. The combustion of fossil fuels (power productio...	false	false	[ "Nathan Andrysco", "Bedrich Benes", "Kevin R. Gurney" ]	[]	[]	[]
VAST	2,008	Interactive poster: Visual data mining of unevenly-spaced event sequences	10.1109/VAST.2008.4677379	We present a process for the exploration and analysis of large databases of events. A typical database is characterized by the sequential actions of a number of individual entities. These entities can be compared by their similarities in sequence and changes in sequence over time. The correlation of two sequences can p...	false	false	[ "Alex Godwin", "Remco Chang", "Robert Kosara", "William Ribarsky" ]	[]	[]	[]
VAST	2,008	Maintaining interactivity while exploring massive time series	10.1109/VAST.2008.4677357	The speed of data retrieval qualitatively affects how analysts visually explore and analyze their data. To ensure smooth interactions in massive time series datasets, one needs to address the challenges of computing <i>ad</i> <i>hoc</i> queries, distributing query load, and hiding system latency...	false	false	[ "Sye-Min Chan", "Ling Xiao", "John Gerth", "Pat Hanrahan" ]	[]	[]	[]
VAST	2,008	Migrant boat mini challenge award: Analysis summary a geo-temporal analysis of the migrant boat dataset	10.1109/VAST.2008.4677394	The SPADAC team used various visual analytics tools and methods to find geo-temporal patterns of migration from a Caribbean island from 2005-2007. In this paper, we describe the tools and methods used in the analysis. These methods included generating temporal variograms, dendrograms, and proportionally weighted migrat...	false	false	[ "Benjamin Holland", "Lisa Kuchy", "Jason Dalton" ]	[]	[]	[]
VAST	2,008	Migrant boat mini challenge award: Simple and effective integrated display geo-temporal analysis of migrant boats	10.1109/VAST.2008.4677387	We provide a description of the tools and techniques used in our analysis of the VAST 2008 Challenge dealing with mass movement of persons departing Isla Del Sue.no on boats for the United States during 2005-2007. We used visual analytics to explore migration patterns, characterize the choice and evolution of landing s...	false	false	[ "Ranko Miklin", "Tomislav Lipic", "Zoltan Konyha", "Mario Beric", "Wolfgang Freiler", "Kresimir Matkovic", "Denis Gracanin" ]	[]	[]	[]
VAST	2,008	Model-driven Visual Analytics	10.1109/VAST.2008.4677352	We describe a visual analytics (VA) infrastructure, rooted on techniques in machine learning and logic-based deductive reasoning that will assist analysts to make sense of large, complex data sets by facilitating the generation and validation of models representing relationships in the data. We use logic programming (L...	false	false	[ "Supriya Garg", "Julia Eunju Nam", "I. V. Ramakrishnan", "Klaus Mueller 0001" ]	[]	[]	[]
VAST	2,008	Multidimensional visual analysis using cross-filtered views	10.1109/VAST.2008.4677370	Analysis of multidimensional data often requires careful examination of relationships across dimensions. Coordinated multiple view approaches have become commonplace in visual analysis tools because they directly support expression of complex multidimensional queries using simple interactions. However, generating such ...	false	false	[ "Chris E. Weaver" ]	[]	[]	[]
VAST	2,008	Multivariate visual explanation for high dimensional datasets	10.1109/VAST.2008.4677368	Understanding multivariate relationships is an important task in multivariate data analysis. Unfortunately, existing multivariate visualization systems lose effectiveness when analyzing relationships among variables that span more than a few dimensions. We present a novel multivariate visual explanation approach that h...	false	false	[ "Scott Barlowe", "Tianyi Zhang", "Yujie Liu", "Jing Yang 0001", "Donald J. Jacobs" ]	[]	[]	[]
VAST	2,008	Narratives: A visualization to track narrative events as they develop	10.1109/VAST.2008.4677364	Analyzing unstructured text streams can be challenging. One popular approach is to isolate specific themes in the text, and to visualize the connections between them. Some existing systems, like ThemeRiver, provide a temporal view of changes in themes; other systems, like In-Spire, use clustering techniques to help an ...	false	false	[ "Danyel Fisher", "Aaron Hoff", "George G. Robertson", "Matthew Hurst" ]	[]	[]	[]
VAST	2,008	Spatio-temporal aggregation for visual analysis of movements	10.1109/VAST.2008.4677356	Data about movements of various objects are collected in growing amounts by means of current tracking technologies. Traditional approaches to visualization and interactive exploration of movement data cannot cope with data of such sizes. In this research paper we investigate the ways of using aggregation for visual ana...	false	false	[ "Gennady L. Andrienko", "Natalia V. Andrienko" ]	[]	[]	[]
VAST	2,008	Supporting exploration awareness for visual analytics	10.1109/VAST.2008.4677378	While exploring data using information visualization, analysts try to make sense of the data, build cases, and present them to others. However, if the exploration is long or done in multiple sessions, it can be hard for analysts to remember all interesting visualizations and the relationships among them they have seen....	false	false	[ "Yedendra Babu Shrinivasan", "Jarke J. van Wijk" ]	[]	[]	[]
VAST	2,008	The Scalable Reasoning System: Lightweight visualization for distributed analytics	10.1109/VAST.2008.4677366	A central challenge in visual analytics is the creation of accessible, widely distributable analysis applications that bring the benefits of visual discovery to as broad a user base as possible. Moreover, to support the role of visualization in the knowledge creation process, it is advantageous to allow users to descri...	false	false	[ "William A. Pike", "Joe Bruce", "Bob Baddeley", "Daniel M. Best", "Lyndsey Franklin", "Richard May 0001", "Douglas M. Rice", "Roderick M. Riensche", "Katarina Younkin" ]	[]	[]	[]
VAST	2,008	Understanding syndromic hotspots - a visual analytics approach	10.1109/VAST.2008.4677354	When analyzing syndromic surveillance data, health care officials look for areas with unusually high cases of syndromes. Unfortunately, many outbreaks are difficult to detect because their signal is obscured by the statistical noise. Consequently, many detection algorithms have a high false positive rate. While many fa...	false	false	[ "Ross Maciejewski", "Stephen Rudolph", "Ryan Hafen", "Ahmad M. Abusalah", "Mohamed Yakout", "Mourad Ouzzani", "William S. Cleveland", "Shaun J. Grannis", "Michael Wade", "David S. Ebert" ]	[]	[]	[]
VAST	2,008	Using SocialAction to uncover structure in social networks over time	10.1109/VAST.2008.4677392	I describe how SocialAction was used to find insights in an evolving social structure VAST Challenge 2008psilas Mini-Challenge 3. This analysis and SocialAction were given the award, ldquoCell Phone Mini Challenge Award: Time Visualizations of Cell Phone Activityrdquo.	false	false	[ "Adam Perer" ]	[]	[]	[]
VAST	2,008	Using visual analytics to maintain situation awareness in astrophysics	10.1109/VAST.2008.4677353	We present a novel collaborative visual analytics application for cognitively overloaded users in the astrophysics domain. The system was developed for scientists needing to analyze heterogeneous, complex data under time pressure, and then make predictions and time-critical decisions rapidly and correctly under a const...	false	false	[ "Cecilia R. Aragon", "Sarah S. Poon", "Gregory S. Aldering", "Rollin C. Thomas", "Robert Quimby" ]	[]	[]	[]
VAST	2,008	VAST 2008 Challenge: Introducing mini-challenges	10.1109/VAST.2008.4677383	Visual analytics experts realize that one effective way to push the field forward and to develop metrics for measuring the performance of various visual analytics components is to hold an annual competition. The VAST 2008 Challenge is the third year that such a competition was held in conjunction with the IEEE Visual A...	false	false	[ "Georges G. Grinstein", "Catherine Plaisant", "Sharon J. Laskowski", "Teresa O'Connell", "Jean Scholtz", "Mark A. Whiting" ]	[]	[]	[]
VAST	2,008	Visual analysis for mutual fund performance	10.1109/VAST.2008.4677376	Mutual funds are one of the most important investment instruments available. However, choosing among mutual funds is not an easy task because they vary in many different dimensions, such as asset size, turnover and fee structure, and these characteristics may affect fund returns. It is thus important to understand the ...	false	false	[ "Ye Zhao 0003", "Jamal Alsakran", "Xinlei Zhao" ]	[]	[]	[]
VAST	2,008	Visual analysis of seismic simulation data	10.1109/VAST.2008.4677381	Seismic simulations use finite element methods to describe ground motion. The results of such numerical simulations are often difficult to interpret for decision makers. We describe a terrain rendering engine that uses photorealistic metaphors to represent typical terrain properties without representing an actual terra...	false	false	[ "Florian Jürgen Gerhardt", "Jörg Meyer 0002" ]	[]	[]	[]
VAST	2,008	Visual analytics for complex concepts using a human cognition model	10.1109/VAST.2008.4677361	As the information being visualized and the process of understanding that information both become increasingly complex, it is necessary to develop new visualization approaches that facilitate the flow of human reasoning. In this paper, we endeavor to push visualization design a step beyond current user models by discus...	false	false	[ "Tera Marie Green", "William Ribarsky", "Brian D. Fisher" ]	[]	[]	[]
VAST	2,008	Visual cluster analysis of trajectory data with interactive Kohonen Maps	10.1109/VAST.2008.4677350	Visual-interactive cluster analysis provides valuable tools for effectively analyzing large and complex data sets. Due to desirable properties and an inherent predisposition for visualization, the Kohonen Feature Map (or self-organizing map, or SOM) algorithm is among the most popular and widely used visual clustering ...	false	false	[ "Tobias Schreck", "Jürgen Bernard", "Tatiana von Landesberger", "Jörn Kohlhammer" ]	[]	[]	[]
VAST	2,008	Visual evaluation of text features for document summarization and analysis	10.1109/VAST.2008.4677359	Thanks to the Web-related and other advanced technologies, textual information is increasingly being stored in digital form and posted online. Automatic methods to analyze such textual information are becoming inevitable. Many of those methods are based on quantitative text features. Analysts face the challenge to choo...	false	false	[ "Daniela Oelke", "Peter Bak", "Daniel A. Keim", "Mark Last", "Guy Danon" ]	[]	[]	[]
VAST	2,008	Visual mining of multimedia data for social and behavioral studies	10.1109/VAST.2008.4677369	With advances in computing techniques, a large amount of high-resolution high-quality multimedia data (video and audio, etc.) has been collected in research laboratories in various scientific disciplines, particularly in social and behavioral studies. How to automatically and effectively discover new knowledge from ric...	false	false	[ "Chen Yu 0001", "Yiwen Zhong", "Thomas G. Smith", "Ikhyun Park", "Weixia Huang" ]	[]	[]	[]
InfoVis	2,008	A Framework of Interaction Costs in Information Visualization	10.1109/TVCG.2008.109	Interaction cost is an important but poorly understood factor in visualization design. We propose a framework of interaction costs inspired by Normanpsilas Seven Stages of Action to facilitate study. From 484 papers, we collected 61 interaction-related usability problems reported in 32 user studies and placed them into...	false	false	[ "Heidi Lam" ]	[ "HM" ]	[]	[]
InfoVis	2,008	Balloon Focus: a Seamless Multi-Focus+Context Method for Treemaps	10.1109/TVCG.2008.114	The treemap is one of the most popular methods for visualizing hierarchical data. When a treemap contains a large number of items, inspecting or comparing a few selected items in a greater level of detail becomes very challenging. In this paper, we present a seamless multi-focus and context technique, called Balloon Fo...	false	false	[ "Ying Tu", "Han-Wei Shen" ]	[]	[]	[]
InfoVis	2,008	Cerebral: Visualizing Multiple Experimental Conditions on a Graph with Biological Context	10.1109/TVCG.2008.117	Systems biologists use interaction graphs to model the behavior of biological systems at the molecular level. In an iterative process, such biologists observe the reactions of living cells under various experimental conditions, view the results in the context of the interaction graph, and then propose changes to the gr...	false	false	[ "Aaron Barsky", "Tamara Munzner", "Jennifer L. Gardy", "Robert Kincaid" ]	[]	[]	[]
InfoVis	2,008	Distributed Cognition as a Theoretical Framework for Information Visualization	10.1109/TVCG.2008.121	Even though information visualization (InfoVis) research has matured in recent years, it is generally acknowledged that the field still lacks supporting, encompassing theories. In this paper, we argue that the distributed cognition framework can be used to substantiate the theoretical foundation of InfoVis. We highligh...	false	false	[ "Zhicheng Liu", "Nancy J. Nersessian", "John T. Stasko" ]	[]	[]	[]
InfoVis	2,008	Effectiveness of Animation in Trend Visualization	10.1109/TVCG.2008.125	Animation has been used to show trends in multi-dimensional data. This technique has recently gained new prominence for presentations, most notably with Gapminder Trendalyzer. In Trendalyzer, animation together with interesting data and an engaging presenter helps the audience understand the results of an analysis of t...	false	false	[ "George G. Robertson", "Roland Fernandez", "Danyel Fisher", "Bongshin Lee", "John T. Stasko" ]	[ "TT" ]	[]	[]
InfoVis	2,008	EMDialog: Bringing Information Visualization into the Museum	10.1109/TVCG.2008.127	Digital information displays are becoming more common in public spaces such as museums, galleries, and libraries. However, the public nature of these locations requires special considerations concerning the design of information visualization in terms of visual representations and interaction techniques. We discuss the...	false	false	[ "Uta Hinrichs", "Holly Schmidt", "Sheelagh Carpendale" ]	[]	[]	[]
InfoVis	2,008	Evaluating the Use of Data Transformation for Information Visualization	10.1109/TVCG.2008.129	Data transformation, the process of preparing raw data for effective visualization, is one of the key challenges in information visualization. Although researchers have developed many data transformation techniques, there is little empirical study of the general impact of data transformation on visualization. Without s...	false	false	[ "Zhen Wen", "Michelle X. Zhou" ]	[]	[]	[]
InfoVis	2,008	Exploration of Networks using overview+detail with Constraint-based cooperative layout	10.1109/TVCG.2008.130	A standard approach to large network visualization is to provide an overview of the network and a detailed view of a small component of the graph centred around a focal node. The user explores the network by changing the focal node in the detailed view or by changing the level of detail of a node or cluster. For scalab...	false	false	[ "Tim Dwyer", "Kim Marriott", "Falk Schreiber", "Peter J. Stuckey", "Michael Woodward", "Michael Wybrow" ]	[]	[]	[]
InfoVis	2,008	Geometry-Based Edge Clustering for Graph Visualization	10.1109/TVCG.2008.135	Graphs have been widely used to model relationships among data. For large graphs, excessive edge crossings make the display visually cluttered and thus difficult to explore. In this paper, we propose a novel geometry-based edge-clustering framework that can group edges into bundles to reduce the overall edge crossings....	false	false	[ "Weiwei Cui", "Hong Zhou 0004", "Huamin Qu", "Pak Chung Wong", "Xiaoming Li 0001" ]	[]	[]	[]
InfoVis	2,008	Graphical Histories for Visualization: Supporting Analysis, Communication, and Evaluation	10.1109/TVCG.2008.137	Interactive history tools, ranging from basic undo and redo to branching timelines of user actions, facilitate iterative forms of interaction. In this paper, we investigate the design of history mechanisms for information visualization. We present a design space analysis of both architectural and interface issues, iden...	false	false	[ "Jeffrey Heer", "Jock D. Mackinlay", "Chris Stolte", "Maneesh Agrawala" ]	[]	[]	[]
InfoVis	2,008	HiPP: A Novel Hierarchical Point Placement Strategy and its Application to the Exploration of Document Collections	10.1109/TVCG.2008.138	Point placement strategies aim at mapping data points represented in higher dimensions to bi-dimensional spaces and are frequently used to visualize relationships amongst data instances. They have been valuable tools for analysis and exploration of data sets of various kinds. Many conventional techniques, however, do n...	false	false	[ "Fernando Vieira Paulovich", "Rosane Minghim" ]	[]	[]	[]
InfoVis	2,008	Improving the Readability of Clustered Social Networks using Node Duplication	10.1109/TVCG.2008.141	Exploring communities is an important task in social network analysis. Such communities are currently identified using clustering methods to group actors. This approach often leads to actors belonging to one and only one cluster, whereas in real life a person can belong to several communities. As a solution we propose ...	false	false	[ "Nathalie Henry Riche", "Anastasia Bezerianos", "Jean-Daniel Fekete" ]	[]	[]	[]
InfoVis	2,008	Interactive Visual Analysis of Set-Typed Data	10.1109/TVCG.2008.144	While it is quite typical to deal with attributes of different data types in the visualization of heterogeneous and multivariate datasets, most existing techniques still focus on the most usual data types such as numerical attributes or strings. In this paper we present a new approach to the interactive visual explorat...	false	false	[ "Wolfgang Freiler", "Kresimir Matkovic", "Helwig Hauser" ]	[]	[]	[]
InfoVis	2,008	Multi-Focused Geospatial Analysis Using Probes	10.1109/TVCG.2008.149	Traditional geospatial information visualizations often present views that restrict the user to a single perspective. When zoomed out, local trends and anomalies become suppressed and lost; when zoomed in for local inspection, spatial awareness and comparison between regions become limited. In our model, coordinated vi...	false	false	[ "Thomas Butkiewicz", "Wenwen Dou", "Zachary Wartell", "William Ribarsky", "Remco Chang" ]	[]	[]	[]
InfoVis	2,008	On the Visualization of Social and other Scale-Free Networks	10.1109/TVCG.2008.151	This paper proposes novel methods for visualizing specifically the large power-law graphs that arise in sociology and the sciences. In such cases a large portion of edges can be shown to be less important and removed while preserving component connectedness and other features (e.g. cliques) to more clearly reveal the n...	false	false	[ "Yuntao Jia", "Jared Hoberock", "Michael Garland", "John C. Hart" ]	[]	[]	[]
InfoVis	2,008	Particle-based labeling: Fast point-feature labeling without obscuring other visual features	10.1109/TVCG.2008.152	In many information visualization techniques, labels are an essential part to communicate the visualized data. To preserve the expressiveness of the visual representation, a placed label should neither occlude other labels nor visual representatives (e.g., icons, lines) that communicate crucial information. Optimal, no...	false	false	[ "Martin Luboschik", "Heidrun Schumann", "Hilko Cords" ]	[]	[]	[]
InfoVis	2,008	Perceptual Organization in User-Generated Graph Layouts	10.1109/TVCG.2008.155	Many graph layout algorithms optimize visual characteristics to achieve useful representations. Implicitly, their goal is to create visual representations that are more intuitive to human observers. In this paper, we asked users to explicitly manipulate nodes in a network diagram to create layouts that they felt best c...	false	false	[ "Frank van Ham", "Bernice E. Rogowitz" ]	[]	[]	[]
InfoVis	2,008	Rapid Graph Layout Using Space filling Curves	10.1109/TVCG.2008.158	Network data frequently arises in a wide variety of fields, and node-link diagrams are a very natural and intuitive representation of such data. In order for a node-link diagram to be effective, the nodes must be arranged well on the screen. While many graph layout algorithms exist for this purpose, they often have lim...	false	false	[ "Chris Muelder", "Kwan-Liu Ma" ]	[]	[]	[]
InfoVis	2,008	Rolling the Dice: Multidimensional Visual Exploration using Scatterplot Matrix Navigation	10.1109/TVCG.2008.153	Scatterplots remain one of the most popular and widely-used visual representations for multidimensional data due to their simplicity, familiarity and visual clarity, even if they lack some of the flexibility and visual expressiveness of newer multidimensional visualization techniques. This paper presents new interactiv...	false	false	[ "Niklas Elmqvist", "Pierre Dragicevic", "Jean-Daniel Fekete" ]	[ "BP" ]	[]	[]
InfoVis	2,008	Spatially Ordered Treemaps	10.1109/TVCG.2008.165	Existing treemap layout algorithms suffer to some extent from poor or inconsistent mappings between data order and visual ordering in their representation, reducing their cognitive plausibility. While attempts have been made to quantify this mismatch, and algorithms proposed to minimize inconsistency, solutions provide...	false	false	[ "Jo Wood", "Jason Dykes" ]	[]	[]	[]
InfoVis	2,008	Stacked Graphs - Geometry & Aesthetics	10.1109/TVCG.2008.166	In February 2008, the New York Times published an unusual chart of box office revenues for 7500 movies over 21 years. The chart was based on a similar visualization, developed by the first author, that displayed trends in music listening. This paper describes the design decisions and algorithms behind these graphics, a...	false	false	[ "Lee Byron", "Martin Wattenberg" ]	[ "HM" ]	[]	[]
InfoVis	2,008	The Shaping of Information by Visual Metaphors	10.1109/TVCG.2008.171	The nature of an information visualization can be considered to lie in the visual metaphors it uses to structure information. The process of understanding a visualization therefore involves an interaction between these external visual metaphors and the user's internal knowledge representations. To investigate this clai...	false	false	[ "Caroline Ziemkiewicz", "Robert Kosara" ]	[ "HM" ]	[]	[]
InfoVis	2,008	The Word Tree, an Interactive Visual Concordance	10.1109/TVCG.2008.172	We introduce the Word Tree, a new visualization and information-retrieval technique aimed at text documents. A Word Tree is a graphical version of the traditional "keyword-in-context" method, and enables rapid querying and exploration of bodies of text. In this paper we describe the design of the technique, along with ...	false	false	[ "Martin Wattenberg", "Fernanda B. Viégas" ]	[]	[]	[]
InfoVis	2,008	VisGets: Coordinated Visualizations for Web-based Information Exploration and Discovery	10.1109/TVCG.2008.175	In common Web-based search interfaces, it can be difficult to formulate queries that simultaneously combine temporal, spatial, and topical data filters. We investigate how coordinated visualizations can enhance search and exploration of information on the World Wide Web by easing the formulation of these types of queri...	false	false	[ "Marian Dörk", "Sheelagh Carpendale", "Christopher Collins 0001", "Carey L. Williamson" ]	[]	[]	[]

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