Katja Einsfeld's research while affiliated with RPTU - Rheinland-Pfälzische Technische Universität Kaiserslautern Landau and other places
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Publications (11)
The design and the operation of urban drainage systems and wastewater treatment plants (WWTP) have become increasingly complex. This complexity is due to increased requirements concerning process technology, technical, environmental, economical, and occupational safety aspects. The plant operator has access not only to some timeworn filers and meas...
One important intention of human-centered information visualization is to represent huge amounts of abstract data in a visual representation that allows even users from foreign application domains to interact with the visualization, to understand the underlying data, and finally, to gain new, application-related knowledge. The visualization will he...
Within the research project KOMPLETT an advanced sanitation scheme for separated grey-and blackwater is developed in order to close domestic water and material cycle.In the second project phase two pilot plants were operated treating separated grey-and blackwater flow in order to achieve optimum water qualities for reuse.Both plants discharge efflu...
In order to make use of domain knowledge and thus to create less abstract visualizations of the available information, we propose to integrate information visualization techniques in 3D visualizations of the application subject. We describe a framework that is build on an ontology, an hierarchical visualization toolkit, and a modular concept of mod...
Today, there are many systems with large amounts of com-plex data sets. Visualizing these systems in a way that en-lightens the user and provides a profound understanding of the respective information space is one of the big information visualization research challenges. Keim [10] states that it is no longer possible to display an overview of these...
![Figure 5: a) Process ontology in Protégé[10] b) ConeView of Process in...](profile/Achim-Ebert/publication/4261010/figure/fig5/AS:279977703559202@1443763295001/a-Process-ontology-in-Protege10-b-ConeView-of-Process-in-HANNAH-As-explained-in_Q320.jpg)
In this paper we describe an adaptable multi-purpose 3D user interface for complex heterogeneous information. The framework allows to create visualization instruments by hierarchically combining small visualization widgets. We integrate well known 3D visualization tools in our system and also present new metaphors like the RotaryDiagram. Due to the...
Current sanitation concepts of decentralised wastewater treatment and reuse raise the issue of monitoring and maintenance of such systems. To guarantee high quality of the recycled water, systems with high requirements concerning process technology are essential. With increasing numbers of decentralised treatment systems spread over far distances i...
Although information visualization claims to provide the means to induce mental models of any kind of data, the visualization of semantic information is still an open field of research. Existing approaches either concentrate on the visualization of documents without additional metadata or produce unintuitive expert graphics. This paper seeks to fil...
The efficient operation of complex industrial processes requires the organization of large amounts of heterogeneous data. We explain that both, these data characteristics as well as the need for context sensitive information interfaces, require the design of visualizations with multiple dynamic perspectives on the data. The benefits of animated 3D...
![Fig. 2. The Web Forager Card et al. [2] present some metaphors for the...](profile/Achim-Ebert/publication/228572013/figure/fig9/AS:668418231500818@1536374733673/The-Web-Forager-Card-et-al-2-present-some-metaphors-for-the-visualization-of_Q320.jpg)
With the aim of replacing the 20-year-old 2-D desktop metaphor with a more natural, intuitive to use, and immersive 3-D interface, we de-veloped a prototype application that allows the dynamic exploration of document collections. Document metadata and relations between doc-uments are visualized with the help of information visualization tech-niques...
Citations
... Due to the fact that "getting lost in space" is a potential problem of 3D applications and that the mental load needed for navigating the viewpoint through the scene could be used for more important tasks we proposed the Thought Wizard navigation metaphor [12]: The user relaxes at a fixed point in 3D spaces and uses simple gestures to move the needed information around him. Until now, our system supports navigation techniques like changing the visualization mode or perspective, changing the zoom level, or moving another process element to the focus position in Cone-View. ...
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... Collaborative visualization has been applied in many areas, especially in relation to networks, scientific research, command and control, and mission planning (Bernholdt et al., 2005;Ebert & Einsfeld, 2009;Tollinger et al., 2004;Viegas et al., 2007). For instance, Many Eyes™ allows users to upload, visually share, and discuss data, in addition to providing a variety of tools for annotation, feedback, and collation (Viegas et al., 2007). ...
... Encontramos também mapas de conhecimento sendo utilizados como ferramentas para alinhamento estratégico dentro de organizações e indústrias (TIWANA, 1999). E podem representar as visões dos participantes e suas relações mútuas com outras visões, bem como ilustrar as dependências dos caminhos de aprendizagem e servir como base para a implementação de programas de gestão do conhecimento (DANG, et a.l, 2011;EINSFELD, et al., 2009;IVANOV e CYR, 2006). O terceiro conceito análogo pesquisado é dos Mapas Conceituais apresentado por Novak e Gowin (1988). ...
Reference: Atualizar o Trabalho: reflexões preliminares
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... A process ontology would include, for example, denitrification, disinfection, and odor removal. A few computer-based ontologies have been developed for wastewater systems [26], [27], [28], though these focus primarily on the technical aspects or operation and maintenance of a plant. These ontologies are not adequate by themselves for municipalities facing the challenge of renewing, extending or retrofitting their systems, as they do not include social, economic and environmental aspects. ...
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... Visualization techniques have been widely applied in the AEC/FM industry, including the use of nD representations of the physical artefacts and modelled facilities. Color-coding is used to cluster the information using either the layers, 3D models or domain-specific documents (Einsfeld et al., 2008;Roh et al., 2011). Similar visualization techniques are also used in FM such as color-coding to identify the maintenance and usage status. ...
... However, an acceptance rate of this approach by end users is not very high [1]. [4] and [5] deal with the development of a flexible visualisation framework for an industrial process control. The utilisation of the classical schema representation for HMI as a foundation for an automatic generation of the 3-D user interface (UI) was proposed in [6]. ...
... Aside from the large display space they also made use of the 3D view to show additional information above the 2D screen. Einsfeld et al. [28] also presented a semantic information visualization of documents in a 3D interface, which visualizes documents, meta-data and semantic relations between documents. Dengel et al. [21] extended this work through interaction techniques for searching and navigating large document sets with a stereoscopic monitor and a data glove. ...
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