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Dissertations / Theses on the topic 'Information Visualization (InfoVis)'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Sivertsson, Anton. "Overviewing and VR information visualizations : How interacting with, and perceiving an information visualization in VR affects our overview of the information visualization." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210554.

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Society generates more and more data every day, and with competent ways to visualize it, we can learn new things about the world we live in. While traditional visualizations try to stay clear of 3D graphs because they are hard for a user to process without proper depth cues, VR technology allows us to better perceive 3D structures, but what happens to our overview of the data when we perceive and interact with it in 3D? 6 participants were subject to a 3D VR visualization of customer data with filtering possibilities, where they were to perform a series of short tasks as well as a more open-en

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2

Forsberg, Erik. "Interacting with information visualizations in virtual reality : Motion tracked hand controller interaction for common filtering operations in a VR information visualization application." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210043.

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As we are heading into immersive virtual reality environments for different purposes - entertainment being the most prominent lately - we should consider how we design interactive information visualizations for VR. Is it wise to hold onto the same elements of interaction with which we are familiar from contemporary web-based interfaces? The study explores this question along with others, to explore ways to conduct familiar filtering operations known from web environments, in VR. An interactive information visualization application in VR was created to evaluate two web-inspired interaction meth

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3

Jansen, Yvonne. "Physical and tangible information visualization." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-00983501.

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Visualizations in the most general sense of external, physical representations of information are older than the invention of writing. Generally, external representations promote external cognition and visual thinking, and humans developed a rich set of skills for crafting and exploring them. Computers immensely increased the amount of data we can collect and process as well as diversified the ways we can represent it visually. Computer-supported visualization systems, studied in the field of information visualization (infovis), have become powerful and complex, and sophisticated interaction t

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4

Odqvist, Patrik. "Information Visualization of Assets under Management : A qualitative research study concerning decision support design for InfoVis dashboards in fund management." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280848.

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Information visualization dashboards are a widely used supportive tool in decision making. These tools can be difficult to create and utilize especially for the novice user. There is an extensive collection of company related data for decision making, resulting in a need of assistive tools. Prototypes were developed to research and identify design guidelines how to support fund managers in their decision making. This was carried out as a qualitative study involving 7 experts in fund management. The results provide insights and guidelines in decision supportive design for dashboards. The result

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5

Giannella, Júlia Rabetti. "Dispositivo infovis: interfaces entre visualização da informação, infografia e interatividade em sítios jornalísticos." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/27/27153/tde-13112014-111734/.

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A pesquisa busca alcançar novos aportes para estudos em infografia jornalística à medida que investiga qualidades, atividades profissionais e tecnologias envolvidas na produção de uma modalidade infográfica emergente, o infovis, contextualizada pelas potencialidades do meio digital e on-line, e sintonizada com práticas comunicacionais contemporâneas, que supera, em determinados aspectos, modelos infográficos anteriores. Com vistas a atingir nosso objetivo investigativo adotamos metodologia de pesquisa em duas etapas: 1) revisão conceitual de três referências teóricas fundamentais - visualizaçã

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6

Voigt, Martin. "Kontextsensitive Informationsvisualisierung mit kompositen Rich Internet Applications für Endnutzer." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-175889.

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Das stetig wachsende Datenaufkommen - die weltweite Datenmenge verdoppelt sich alle zwei Jahre - ist eine wesentliche Herausforderung für den Menschen in allen Bereichen des beruflichen und privaten Alltags. Um trotzdem relevante Informationen zu identifizieren und auch zu verstehen, nehmen Techniken und Anwendungen zur InfoVis einen immer größeren Stellenwert ein. Leider hat sich die Vision der "InfoVis for and by the masses" aufgrund des notwendigen Daten-, Visualisierungs- und Programmierwissens noch nicht durchgesetzt. Zudem sind heutige InfoVis-Softwareanbieter mit dem Problem konfrontier

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7

Cordeil, Maxime. "Exploration et exploitation de l’espace de conception des transitions animées en visualisation d’information." Thesis, Toulouse, ISAE, 2013. http://www.theses.fr/2013ESAE0044/document.

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Les visualisations de données permettent de transmettre de l’information aux utilisateurs. Pour explorer et comprendre les données, les utilisateurs sont amenés à interagir avec ces visualisations.Toutefois, l’interaction avec les visualisations modifie le visuel. Pour éviter des changements brusques et garder l’utilisateur focalisé sur les objets graphiques d’intérêt, des transitions visuelles sont nécessaires pour accompagner les modifications de la visualisation. Ces transitions visuelles peuvent être codées sous la forme d’animations, ou de techniques qui permettent de faire des correspond

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8

Hurter, Christophe. "Caractérisation de visualisations et exploration interactive de grandes quantités de données multidimensionnelles." Phd thesis, Université Paul Sabatier - Toulouse III, 2010. http://tel.archives-ouvertes.fr/tel-00610623.

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Un grand nombre d'activités utilise des outils informatisés s'appuyant sur des représentations graphiques interactives. En tant que vecteurs de transmission d'informations, ces visualisations visent à optimiser la bande passante entre le visuel et l'utilisateur. Pour créer des visualisations efficaces, les concepteurs utilisent des méthodes basées sur leur expertise et sur des tests utilisateurs. Ces méthodes altèrent le processus de design : elles sont chronophages et ne reposent pas sur des fondements théoriques précis qui pourraient éviter des erreurs de conception en amont. Afin de mieux é

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9

Polowinski, Jan. "Semi-Automatic Mapping of Structured Data to Visual Variables." Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-108497.

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While semantic web data is machine-understandable and well suited for advanced filtering, in its raw representation it is not conveniently understandable to humans. Therefore, visualization is needed. A core challenge when visualizing the structured but heterogeneous data turned out to be a flexible mapping to Visual Variables. This work deals with a highly flexible, semi-automatic solution with a maximum support of the visualization process, reducing the mapping possibilities to a useful subset. The basis for this is knowledge, concerning metrics and structure of the data on the one hand and

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10

Roa, Rodríguez Rodrigo. "Tiling heuristics and evaluation metrics for treemaps with a target node aspect ratio." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-211512.

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Treemaps are a popular space-filling visualization of hierarchical data that maps an attribute of a datum, or a data aggregate, to a proportional amount of area. Assuming a rectangular treemap consisting of nested rectangles (also called tiles), there are multiple possible valid tiling arrangements. A common criterion for optimization is aspect ratio. Nevertheless, treemaps usually consist of multiple rectangles, so the aspect ratios need be aggregated. The basic definition of aspect ratio (width divided by height) cannot be meaningfully aggregated. Given this, a definition of aspect ratio tha

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11

Grammel, Lars. "User interfaces supporting information visualization novices in visualization construction." Thesis, 2012. http://hdl.handle.net/1828/4359.

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The amount of data that is available to us is ever increasing, and thus is the potential to extract information from it. Information visualization, which leverages our perceptual system to enable us to perceive patterns, outliers, trends and anomalies in large amounts of data, is an important technique for exploratory data analysis. As part of a flexible visual data analysis process, the user needs to construct and parametrize visualizations, which is challenging for novice users. In this thesis, I explore how information visualization novices can be supported in visualization construc

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12

Moon, Sung Pil. "HamkeRun: Mobile infoVis app towards sustainable motivation in a context of running." Thesis, 2015. http://hdl.handle.net/1805/7924.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>According to the US Centers for Disease Control and Prevention, less than half of all adults in the US meet basic physical activity guidelines. Physical activity can help not just improve physical and mental health but also reduce the risk of heart disease and some cancers. Researchers and companies have tried to investigate the use of modern technologies to motivate people to increase and maintain physical activities. However, in spite of these efforts, there are criticisms. Those include low dietary effectiveness of the tools, lack

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13

Flemisch, Tamara. "Effects of Different Display Form Factors on InfoVis Applications: Exploring Selection Management and Brushing and Linking for Mobile Cross-Device Interaction." 2018. https://tud.qucosa.de/id/qucosa%3A70980.

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Diese Arbeit untersucht wie man mit mehreren, miteinander koordinierten Mobilgeräten Selektionen verwalten und Brushing und Linking unterstützen kann. Im Rahmen der Arbeit wird ein konzeptionelles Framework zur Selektionsverwaltung für mehrere Geräte angedacht und ein Konzept zur Selektionsverwaltung vorstellt, das Brushing und Linking für Mobilgeräte unterstützt. Des Weiteren werden Ziele für den Prototypen erörtert, die zur Umsetzung das Konzept beitragen. Mobile Geräte werden immer häufiger für Informationsvisualisierungen verwendet. Jedoch wurde bisher noch nicht untersucht, wie gängige I

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14

Voigt, Martin. "Kontextsensitive Informationsvisualisierung mit kompositen Rich Internet Applications für Endnutzer." Doctoral thesis, 2014. https://tud.qucosa.de/id/qucosa%3A28855.

Full text

Abstract:

Das stetig wachsende Datenaufkommen - die weltweite Datenmenge verdoppelt sich alle zwei Jahre - ist eine wesentliche Herausforderung für den Menschen in allen Bereichen des beruflichen und privaten Alltags. Um trotzdem relevante Informationen zu identifizieren und auch zu verstehen, nehmen Techniken und Anwendungen zur InfoVis einen immer größeren Stellenwert ein. Leider hat sich die Vision der "InfoVis for and by the masses" aufgrund des notwendigen Daten-, Visualisierungs- und Programmierwissens noch nicht durchgesetzt. Zudem sind heutige InfoVis-Softwareanbieter mit dem Problem konfrontier

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15

Polowinski, Jan. "Semi-Automatic Mapping of Structured Data to Visual Variables." Master's thesis, 2007. https://tud.qucosa.de/id/qucosa%3A26756.

Full text

Abstract:

While semantic web data is machine-understandable and well suited for advanced filtering, in its raw representation it is not conveniently understandable to humans. Therefore, visualization is needed. A core challenge when visualizing the structured but heterogeneous data turned out to be a flexible mapping to Visual Variables. This work deals with a highly flexible, semi-automatic solution with a maximum support of the visualization process, reducing the mapping possibilities to a useful subset. The basis for this is knowledge, concerning metrics and structure of the data on the one hand and

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16

Peres, Tiago Martins. "Visualização imersiva de big data com dispositivos móveis." Master's thesis, 2020. http://hdl.handle.net/10400.2/9872.

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A grande quantidade de dados armazenados atualmente não tem utilidade se não conseguirmos entender as relações e dependências entre os dados e construir modelos significativos. Para identificar novas tendências e padrões mais facilmente faz sentido que os mesmos sejam limpos, processados e apresentados de maneira amigável. Os ambientes imersivos virtuais oferecem grandes oportunidades em diversas áreas, mas existem poucos estudos sobre a sua utilidade como ferramenta de visualização de informação. Este trabalho assumiu que é possível a visualização de dados do tipo big data em ambiente

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17

Ribeiro, Luís Rafael Araújo. "Data analytics: abordagem para visualização da informação." Master's thesis, 2015. http://hdl.handle.net/1822/40314.

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Dissertação de mestrado integrado em Engenharia e Gestão de Sistemas de Informação<br>Na área de Data Analytics, existem poucas metodologias/abordagens reconhecidas para se obter uma correta visualização da informação. Antes de sermos capazes de visualizar toda a informação é necessário preparar e compreender os diferentes tipos de dados: recolher, caracterizar, corrigir e transformar, para que, quando utilizados pelos diferentes tipos de softwares que irão apresentar a informação, não surjam erros ou incoerências. A relevância deste aspeto é primordial visto que a adequação de uma técnic

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