Scientific Publications

2015
9.		Burkhardt, Dirk; Nazemi, Kawa; Ginters, Egils Best-Practice Piloting Based on an Integrated Social Media Analysis and Visualization for E-Participation Simulation in Cities Journal Article In: Procedia Computer Science. 2015 International Conference Virtual and Augmented Reality in Education, vol. 75, pp. 66 - 74, 2015, ISSN: 1877-0509. Abstract \| Links \| BibTeX \| Tags: e-Participation, Policy Making, Semantic Visualization, Simulation @article{Burkhardt2015c, title = {Best-Practice Piloting Based on an Integrated Social Media Analysis and Visualization for E-Participation Simulation in Cities}, author = {Dirk Burkhardt and Kawa Nazemi and Egils Ginters}, editor = {Eduardo González Mendívil and Pablo Guillermo Ramírez Flores and Jorge Martín Gutiérrez and Egils Ginters}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2015vare-ii.pdf, Paper as PDF}, doi = {10.1016/j.procs.2015.12.214}, issn = {1877-0509}, year = {2015}, date = {2015-11-19}, journal = {Procedia Computer Science. 2015 International Conference Virtual and Augmented Reality in Education}, volume = {75}, pages = {66 - 74}, abstract = {E-Participation and the engagement of citizens in politics are on the agenda in many countries. Therefore, a number of project and programs were initiated that aim at finding creative and effective solutions for involving citizens. One intended aspect is the provision of transparency that enables citizens to analyze socio-economical indicators and serves as basement for initial data storing for e-participation scenarios simulation. A beyond going step is to consider citizens’ opinions in the policy making process. Unfortunately this will only be possible; if a significant number of citizens know what concrete aspect should be realized. The growth and establishment of social media nowadays allow most people to discuss political ideas and critics virtually and anonymously achieving higher credibility of the data usable for policy making. However, the major barrier is the different topical languages, the representatives’ role and weak visualization of the results. This article dealt with a best-practice piloting approach for discussing and realizing innovative solutions with a variety of stakeholders from different domains. The core of this paper is how to deal and manage the different perspective on development process, to aim on designing a common set of requirements and development procedure. The methodology is practically and beneficial applied as social media integration solution in the EC FP7 FUPOL research project.}, keywords = {e-Participation, Policy Making, Semantic Visualization, Simulation}, pubstate = {published}, tppubtype = {article} } Close E-Participation and the engagement of citizens in politics are on the agenda in many countries. Therefore, a number of project and programs were initiated that aim at finding creative and effective solutions for involving citizens. One intended aspect is the provision of transparency that enables citizens to analyze socio-economical indicators and serves as basement for initial data storing for e-participation scenarios simulation. A beyond going step is to consider citizens’ opinions in the policy making process. Unfortunately this will only be possible; if a significant number of citizens know what concrete aspect should be realized. The growth and establishment of social media nowadays allow most people to discuss political ideas and critics virtually and anonymously achieving higher credibility of the data usable for policy making. However, the major barrier is the different topical languages, the representatives’ role and weak visualization of the results. This article dealt with a best-practice piloting approach for discussing and realizing innovative solutions with a variety of stakeholders from different domains. The core of this paper is how to deal and manage the different perspective on development process, to aim on designing a common set of requirements and development procedure. The methodology is practically and beneficial applied as social media integration solution in the EC FP7 FUPOL research project. Close Paper as PDF doi:10.1016/j.procs.2015.12.214 Close
8.		Nazemi, Kawa; Burkhardt, Dirk; Ginters, Egils; Kohlhammer, Jorn Semantics Visualization – Definition, Approaches and Challenges Journal Article In: Procedia Computer Science. 2015 International Conference Virtual and Augmented Reality in Education, vol. 75, pp. 75 - 83, 2015, ISSN: 1877-0509. Abstract \| Links \| BibTeX \| Tags: Semantic Visualization, Simulation, Virtualization, Visualization @article{NAZEMI201575, title = {Semantics Visualization – Definition, Approaches and Challenges}, author = {Kawa Nazemi and Dirk Burkhardt and Egils Ginters and Jorn Kohlhammer}, editor = {Eduardo González Mendívil and Pablo Guillermo Ramírez Flores and Jorge Martín Gutiérrez and Egils Ginters}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2015vare-i.pdf, Paper as PDF}, doi = {10.1016/j.procs.2015.12.216}, issn = {1877-0509}, year = {2015}, date = {2015-11-19}, journal = {Procedia Computer Science. 2015 International Conference Virtual and Augmented Reality in Education}, volume = {75}, pages = {75 - 83}, abstract = {The visualization of the simulation results must be done in conformity with beneficiaries perception and professional domain understanding. It means that right data must be identified before. Semantic technologies provide new ways for accessing data and acquiring knowledge. The underlying structures allow finding information easier, gathering meanings and associations of the data entities and associating the data to users’ knowledge. Even though the focus of the research in this area is more to provide “machine readable” data, human-centered systems benefit from the technologies too. Especially graphical representations of the semantically structured data play a key-role in today's research. The meaningful relations of data entities and the meaningful and labeled clustering of data in form of semantic concepts enable new ways to visualize data. With these new ways, various challenges are related with deploying semantics visualizations beyond analytical search and simulation. The goal is to give a common understanding of the term semantics as it is used in semantic web. This paper dealt with the general idea of semantics visualization. First a short introduction to semantic formalisms is given followed by a general definition. Subsequently approaches and techniques of existing semantics visualizations are presented, where-as a new classification is introduced to describe the techniques. The article concludes with future challenges in semantics visualization focusing on users, data and tasks.}, keywords = {Semantic Visualization, Simulation, Virtualization, Visualization}, pubstate = {published}, tppubtype = {article} } Close The visualization of the simulation results must be done in conformity with beneficiaries perception and professional domain understanding. It means that right data must be identified before. Semantic technologies provide new ways for accessing data and acquiring knowledge. The underlying structures allow finding information easier, gathering meanings and associations of the data entities and associating the data to users’ knowledge. Even though the focus of the research in this area is more to provide “machine readable” data, human-centered systems benefit from the technologies too. Especially graphical representations of the semantically structured data play a key-role in today's research. The meaningful relations of data entities and the meaningful and labeled clustering of data in form of semantic concepts enable new ways to visualize data. With these new ways, various challenges are related with deploying semantics visualizations beyond analytical search and simulation. The goal is to give a common understanding of the term semantics as it is used in semantic web. This paper dealt with the general idea of semantics visualization. First a short introduction to semantic formalisms is given followed by a general definition. Subsequently approaches and techniques of existing semantics visualizations are presented, where-as a new classification is introduced to describe the techniques. The article concludes with future challenges in semantics visualization focusing on users, data and tasks. Close Paper as PDF doi:10.1016/j.procs.2015.12.216 Close
2011
7.		Stab, Christian; Nazemi, Kawa; Breyer, Matthias; Burkhardt, Dirk; Kuijper, Arjan Interacting with Semantics and Time Proceedings Article In: Jacko, Julie A. (Ed.): Human-Computer Interaction. Users and Applications, pp. 520–529, Springer, Berlin, Heidelberg, Germany, 2011, ISBN: 978-3-642-21619-0. Abstract \| Links \| BibTeX \| Tags: Information Visualization, Semantic Search, Semantic Visualization, Time-Dependent Ontology, Timeline Visualization @inproceedings{Stab2011, title = {Interacting with Semantics and Time}, author = {Christian Stab and Kawa Nazemi and Matthias Breyer and Dirk Burkhardt and Arjan Kuijper}, editor = {Julie A. Jacko}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2011hcii-viii.pdf, Paper as PDF http://2011.hci.international/, Conference Site}, doi = {10.1007/978-3-642-21619-0_64}, isbn = {978-3-642-21619-0}, year = {2011}, date = {2011-07-09}, booktitle = {Human-Computer Interaction. Users and Applications}, volume = {6764}, pages = {520--529}, publisher = {Springer}, address = {Berlin, Heidelberg, Germany}, series = {Lecture Notes in Computer Science, vol 6764}, abstract = {Time appears in many different semantic information systems like historical databases, multimedia systems or social communities as a common attribute. Beside the temporal information, the resources in these domains are categorized in a domain-specific schema and interconnected by semantic relations. Nevertheless, the high potential of these systems is not yet exhausted completely. Even today most of these knowledge systems present time-dependent semantic knowledge in textual form, what makes it difficult for the average user to understand temporal structures and dependencies. For bridging this gap between human and computer and for simplifying the exploration of time-dependent semantic knowledge, we developed a new interactive timeline visualization called SemaTime. The new designed temporal navigation concept offers an intuitive way for exploring and filtering time-depended resources. Additionally SemaTime offers navigation and visual filtering methods on the conceptual layer of the domain and is able to depict semantic relations. In this paper we describe the conceptual design of SemaTime and illustrate its application potentials in semantic search environments.}, keywords = {Information Visualization, Semantic Search, Semantic Visualization, Time-Dependent Ontology, Timeline Visualization}, pubstate = {published}, tppubtype = {inproceedings} } Close Time appears in many different semantic information systems like historical databases, multimedia systems or social communities as a common attribute. Beside the temporal information, the resources in these domains are categorized in a domain-specific schema and interconnected by semantic relations. Nevertheless, the high potential of these systems is not yet exhausted completely. Even today most of these knowledge systems present time-dependent semantic knowledge in textual form, what makes it difficult for the average user to understand temporal structures and dependencies. For bridging this gap between human and computer and for simplifying the exploration of time-dependent semantic knowledge, we developed a new interactive timeline visualization called SemaTime. The new designed temporal navigation concept offers an intuitive way for exploring and filtering time-depended resources. Additionally SemaTime offers navigation and visual filtering methods on the conceptual layer of the domain and is able to depict semantic relations. In this paper we describe the conceptual design of SemaTime and illustrate its application potentials in semantic search environments. Close Paper as PDF Conference Site doi:10.1007/978-3-642-21619-0_64 Close
6.		Nazemi, Kawa; Breyer, Matthias; Forster, Jeanette; Burkhardt, Dirk; Kuijper, Arjan Interacting with Semantics: A User-Centered Visualization Adaptation Based on Semantics Data Proceedings Article In: Smith, Michael J.; Salvendy, Gavriel (Ed.): Human Interface and the Management of Information. Interacting with Information, pp. 239–248, Springer Berlin Heidelberg, Berlin, Heidelberg, 2011, ISBN: 978-3-642-21793-7. Abstract \| Links \| BibTeX \| Tags: Linked Open Data, Semantic Visualization, Semantic Web @inproceedings{Nazemi2011b, title = {Interacting with Semantics: A User-Centered Visualization Adaptation Based on Semantics Data}, author = {Kawa Nazemi and Matthias Breyer and Jeanette Forster and Dirk Burkhardt and Arjan Kuijper}, editor = {Michael J. Smith and Gavriel Salvendy}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2011hcii-vii.pdf, Paper as PDF http://2011.hci.international/, Conference Site}, doi = {10.1007/978-3-642-21793-7_28}, isbn = {978-3-642-21793-7}, year = {2011}, date = {2011-07-09}, booktitle = {Human Interface and the Management of Information. Interacting with Information}, volume = {6771}, pages = {239--248}, publisher = {Springer Berlin Heidelberg}, address = {Berlin, Heidelberg}, series = {Lecture Notes in Computer Science, vol 6771}, abstract = {Semantically annotated data gain more and more importance in future information acquiring processes. Especially the Linked Open Data (LOD) format has already experienced a great growth. However, the user-interfaces of web-applications mostly do not reflect the added value of semantics data. The following paper describes a new approach of user-centered data-adaptive semantics visualization, which makes use of the advantages of semantics data combined with an adaptive composition of information visualization techniques. It starts with a related work section, where existing LOD systems and information visualization techniques are described. After that, the new approach will bridge the gap between semantically annotated data (LOD) and information visualization and introduces a visualization system that adapts the composition of visualizations based on the underlying data structure. A case study of an example case will conclude this paper.}, keywords = {Linked Open Data, Semantic Visualization, Semantic Web}, pubstate = {published}, tppubtype = {inproceedings} } Close Semantically annotated data gain more and more importance in future information acquiring processes. Especially the Linked Open Data (LOD) format has already experienced a great growth. However, the user-interfaces of web-applications mostly do not reflect the added value of semantics data. The following paper describes a new approach of user-centered data-adaptive semantics visualization, which makes use of the advantages of semantics data combined with an adaptive composition of information visualization techniques. It starts with a related work section, where existing LOD systems and information visualization techniques are described. After that, the new approach will bridge the gap between semantically annotated data (LOD) and information visualization and introduces a visualization system that adapts the composition of visualizations based on the underlying data structure. A case study of an example case will conclude this paper. Close Paper as PDF Conference Site doi:10.1007/978-3-642-21793-7_28 Close
5.		Nazemi, Kawa; Burkhardt, Dirk; Breyer, Matthias; Kuijper, Arjan Modeling Users for Adaptive Semantics Visualizations Proceedings Article In: Stephanidis, Constantine (Ed.): Universal Access in Human-Computer Interaction. Users Diversity., pp. 88–97, Springer, Berlin, Heidelberg, Germany, 2011, ISBN: 978-3-642-21663-3. Abstract \| Links \| BibTeX \| Tags: Adaptive Visualization, Semantic Visualization, User Model @inproceedings{Nazemi2011c, title = {Modeling Users for Adaptive Semantics Visualizations}, author = {Kawa Nazemi and Dirk Burkhardt and Matthias Breyer and Arjan Kuijper}, editor = {Constantine Stephanidis}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2011hcii-v.pdf, Paper as PDF http://2011.hci.international/, Conference Site}, doi = {10.1007/978-3-642-21663-3_10}, isbn = {978-3-642-21663-3}, year = {2011}, date = {2011-07-09}, booktitle = {Universal Access in Human-Computer Interaction. Users Diversity.}, volume = {6766}, pages = {88--97}, publisher = {Springer}, address = {Berlin, Heidelberg, Germany}, series = {Lecture Notes in Computer Science, vol 6766}, abstract = {The automatic adaptation of information visualization systems to the requirements of users plays a key-role in today's research. Different approaches from both disciplines try to face this phenomenon. The modeling of user is an essential part of a user-centered adaptation of visualization. In this paper we introduce a new approach for modeling users especially for semantic visualization systems. The approach consists of a three dimensional model, where semantic data, user and visualization are set in relation in different abstraction layer.}, keywords = {Adaptive Visualization, Semantic Visualization, User Model}, pubstate = {published}, tppubtype = {inproceedings} } Close The automatic adaptation of information visualization systems to the requirements of users plays a key-role in today's research. Different approaches from both disciplines try to face this phenomenon. The modeling of user is an essential part of a user-centered adaptation of visualization. In this paper we introduce a new approach for modeling users especially for semantic visualization systems. The approach consists of a three dimensional model, where semantic data, user and visualization are set in relation in different abstraction layer. Close Paper as PDF Conference Site doi:10.1007/978-3-642-21663-3_10 Close
4.		Burkhardt, Dirk; Breyer, Matthias; Nazemi, Kawa; Kuijper, Arjan Search Intention Analysis for User-Centered Adaptive Visualizations Proceedings Article In: Stephanidis, Constantine (Ed.): Universal Access in Human-Computer Interaction. Design for All and eInclusion, pp. 317–326, Springer, Berlin, Heidelberg, Germany, 2011, ISBN: 978-3-642-21672-5. Abstract \| Links \| BibTeX \| Tags: Adaptive Visualization, Search Result Visualization, Semantic Visualization, Semantic Web, User Intention Analysis, User-Centered Interaction @inproceedings{10.1007/978-3-642-21672-5_35, title = {Search Intention Analysis for User-Centered Adaptive Visualizations}, author = {Dirk Burkhardt and Matthias Breyer and Kawa Nazemi and Arjan Kuijper}, editor = {Constantine Stephanidis}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2011hcii-ii.pdf, Paper as PDF http://2011.hci.international/, Conference Site}, doi = {10.1007/978-3-642-21672-5_35}, isbn = {978-3-642-21672-5}, year = {2011}, date = {2011-07-09}, booktitle = {Universal Access in Human-Computer Interaction. Design for All and eInclusion}, volume = {6765}, pages = {317--326}, publisher = {Springer}, address = {Berlin, Heidelberg, Germany}, series = {Lecture Notes in Computer Science, vol 6765}, abstract = {Searching information on web turned to a matter of course in the last years. The visualization and filtering of the results of such search queries plays a key-role in different disciplines and is still today under research. In this paper a new approach for classifying the search intention of users’ is presented. The approach uses existing and easy parameters for a differentiation between explorative and targeted search. The results of the classification are used for a differentiated presentation based on graphical visualization techniques.}, keywords = {Adaptive Visualization, Search Result Visualization, Semantic Visualization, Semantic Web, User Intention Analysis, User-Centered Interaction}, pubstate = {published}, tppubtype = {inproceedings} } Close Searching information on web turned to a matter of course in the last years. The visualization and filtering of the results of such search queries plays a key-role in different disciplines and is still today under research. In this paper a new approach for classifying the search intention of users’ is presented. The approach uses existing and easy parameters for a differentiation between explorative and targeted search. The results of the classification are used for a differentiated presentation based on graphical visualization techniques. Close Paper as PDF Conference Site doi:10.1007/978-3-642-21672-5_35 Close
2010
3.		Nazemi, Kawa; Burkhardt, Dirk; Breyer, Matthias; Stab, Christian; Fellner, Dieter W. Semantic Visualization Cockpit : Adaptable Composition of Semantics-Visualization Techniques for Knowledge-Exploration Proceedings Article In: Auer, Michael; Schreurs, Jeanne (Ed.): Proceedings of Interactive Computer Aided Learning (ICL 2010), pp. 163–173, International Association of Online Engineering (IAOE) Kassel University Press, Kassel, Germany, 2010, ISBN: 978-3-89958-541-4. Abstract \| Links \| BibTeX \| Tags: Explorative Learning, Intelligent User Interfaces, Semantic Visualization, Semantic Web @inproceedings{Nazemi2010c, title = {Semantic Visualization Cockpit : Adaptable Composition of Semantics-Visualization Techniques for Knowledge-Exploration}, author = {Kawa Nazemi and Dirk Burkhardt and Matthias Breyer and Christian Stab and Dieter W. Fellner}, editor = {Michael Auer and Jeanne Schreurs}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2010icl.pdf, Paper as PDF http://www.icl-conference.org/icl2010/, Conference Site}, isbn = {978-3-89958-541-4}, year = {2010}, date = {2010-09-15}, booktitle = {Proceedings of Interactive Computer Aided Learning (ICL 2010)}, pages = {163--173}, publisher = {Kassel University Press}, address = {Kassel, Germany}, organization = {International Association of Online Engineering (IAOE)}, series = {13th International Conference Interactive Computer Aided Learning (ICL)}, abstract = {Semantic-Web and ontology-based information processing systems are established technologies and techniques, in more than only research areas and institutions. Different worldwide projects and enterprise companies identified already the added value of semantic technologies and work on different sub-topics for gathering and conveying knowledge. As the process of gathering and structuring semantic information plays a key role in the most developed applications, the process of transferring and adopting knowledge to and by humans is neglected, although the complex structure of knowledge-design opens many research-questions. The following paper describes a new approach for visualizing semantic information as a composition of different adaptable ontology-visualization techniques. We start with a categorized description of existing ontology visualization techniques and show potential gaps. After that the new approach will be described and its added value to existing systems. A case study within the greatest German program for semantic information processing will show the usage of the system in real scenarios.}, keywords = {Explorative Learning, Intelligent User Interfaces, Semantic Visualization, Semantic Web}, pubstate = {published}, tppubtype = {inproceedings} } Close Semantic-Web and ontology-based information processing systems are established technologies and techniques, in more than only research areas and institutions. Different worldwide projects and enterprise companies identified already the added value of semantic technologies and work on different sub-topics for gathering and conveying knowledge. As the process of gathering and structuring semantic information plays a key role in the most developed applications, the process of transferring and adopting knowledge to and by humans is neglected, although the complex structure of knowledge-design opens many research-questions. The following paper describes a new approach for visualizing semantic information as a composition of different adaptable ontology-visualization techniques. We start with a categorized description of existing ontology visualization techniques and show potential gaps. After that the new approach will be described and its added value to existing systems. A case study within the greatest German program for semantic information processing will show the usage of the system in real scenarios. Close Paper as PDF Conference Site Close
2.		Nazemi, Kawa; Breyer, Matthias; Burkhardt, Dirk; Fellner, Dieter W. Visualization Cockpit: Orchestration of Multiple Visualizations for Knowledge-Exploration Journal Article In: International Journal of Advanced Corporate Learning (iJAC), vol. 3, no. 4, pp. 26–34, 2010, ISSN: 1867-5565. Abstract \| Links \| BibTeX \| Tags: Exploratory Learning, Intelligent User Interfaces, Semantic Visualization, Semantic Web @article{Nazemi2010d, title = {Visualization Cockpit: Orchestration of Multiple Visualizations for Knowledge-Exploration}, author = {Kawa Nazemi and Matthias Breyer and Dirk Burkhardt and Dieter W. Fellner}, editor = {David Guralnick}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2010ijac.pdf, Paper as PDF http://online-journals.org/i-jac/article/view/1473, DigLib Site}, doi = {10.3991/ijac.v3i4.1473}, issn = {1867-5565}, year = {2010}, date = {2010-09-01}, journal = {International Journal of Advanced Corporate Learning (iJAC)}, volume = {3}, number = {4}, pages = {26--34}, abstract = {Semantic-Web technologies and ontology-based information processing systems are established techniques, in more than only research areas and institutions. Different worldwide projects and enterprise companies identified already the added value of semantic technologies, so they work on different sub-topics for gathering and conveying knowledge. As the process of gathering and structuring semantic information plays a key role in the most developed applications, the process of transferring and adopting knowledge to and by humans is neglected, although the complex structure of knowledge-design opens many research-questions. The customization of the presentation itself and the interaction techniques with these presentation artifacts is a key question for gainful and effective work with semantic information. The following paper describes a new approach for visualizing semantic information as a composition of different adaptable ontology-visualization techniques. We start with a categorized description of existing ontology visualization techniques and show potential gaps.}, keywords = {Exploratory Learning, Intelligent User Interfaces, Semantic Visualization, Semantic Web}, pubstate = {published}, tppubtype = {article} } Close Semantic-Web technologies and ontology-based information processing systems are established techniques, in more than only research areas and institutions. Different worldwide projects and enterprise companies identified already the added value of semantic technologies, so they work on different sub-topics for gathering and conveying knowledge. As the process of gathering and structuring semantic information plays a key role in the most developed applications, the process of transferring and adopting knowledge to and by humans is neglected, although the complex structure of knowledge-design opens many research-questions. The customization of the presentation itself and the interaction techniques with these presentation artifacts is a key question for gainful and effective work with semantic information. The following paper describes a new approach for visualizing semantic information as a composition of different adaptable ontology-visualization techniques. We start with a categorized description of existing ontology visualization techniques and show potential gaps. Close Paper as PDF DigLib Site doi:10.3991/ijac.v3i4.1473 Close
1.		Burkhardt, Dirk; Stab, Christian; Nazemi, Kawa; Breyer, Matthias; Fellner, Dieter W. Approaches for 3D-Visualizations and Knowledge Worlds for Exploratory Learning Proceedings Article In: Proceedings of the International Conference on Education and New Learning Technologies (EDULEARN 2010), pp. 6427-6437, IATED, Barcelona, Spain, 2010, ISSN: 2340-1117. Abstract \| Links \| BibTeX \| Tags: 3D Learning Environments, Explorative Learning, Semantic Visualization, Web-based Learning, Web-based Visualization @inproceedings{Burkhardt2010b, title = {Approaches for 3D-Visualizations and Knowledge Worlds for Exploratory Learning}, author = {Dirk Burkhardt and Christian Stab and Kawa Nazemi and Matthias Breyer and Dieter W. Fellner}, url = {https://dirk.burkhardt.xyz/wp-content/uploads/2018/11/2010edulearn-i.pdf, Paper as PDF http://library.iated.org/view/BURKHARDT2010APP, DigLib Site}, doi = {10.5281/zenodo.3455879}, issn = {2340-1117}, year = {2010}, date = {2010-07-01}, booktitle = {Proceedings of the International Conference on Education and New Learning Technologies (EDULEARN 2010)}, pages = {6427-6437}, publisher = {IATED}, address = {Barcelona, Spain}, series = {2nd International Conference on Education and New Learning Technologies}, abstract = {Graphical knowledge representations open promising perspectives to support the explorative learning on web. 2D-visualization are recently evaluated as gainful knowledge exploration systems, whereas 3D-visualization systems did not find their way into web-based explorative learning. 3D-visualizations or “Knowledge Worlds” comprise a high degree of authenticity, because the used metaphors are known by the users from the real world. But different challenges like the usage of 3D-Knowledge World without losing the learning context and the focused learning goals are rarely investigated and considered. New technologies provide the opportunity to introduce 3D-visualizations and environments on web to support a web-based explorative learning. Therefore it is necessary to investigate the prospects of 3D-visualization for transferring and adopting knowledge on web. The following paper describes different approaches to use 3D-visualization and Knowledge Worlds for conveying knowledge on web-based systems using web-based contents. First of all a short summary of existing approaches will be given, which try to convey knowledge by using 3D-metaphors. A survey of developed 3D-visualizations for knowledge exploration within semantically annotated content will show new ways and opportunities to explore and convey knowledge. Whereas only pure graphic-based systems will be described, which are developed in the context of a German research project. In contrast to 3D-visualization the so called 3D-Knowledge Worlds will be presented and described with their potential for constructivist and exploratory learning approaches. The paper will conclude with a summary of existing techniques in contrast to the developed ones to show the community the potential of the state-of-the-art systems in a kind of survey.}, keywords = {3D Learning Environments, Explorative Learning, Semantic Visualization, Web-based Learning, Web-based Visualization}, pubstate = {published}, tppubtype = {inproceedings} } Close Graphical knowledge representations open promising perspectives to support the explorative learning on web. 2D-visualization are recently evaluated as gainful knowledge exploration systems, whereas 3D-visualization systems did not find their way into web-based explorative learning. 3D-visualizations or “Knowledge Worlds” comprise a high degree of authenticity, because the used metaphors are known by the users from the real world. But different challenges like the usage of 3D-Knowledge World without losing the learning context and the focused learning goals are rarely investigated and considered. New technologies provide the opportunity to introduce 3D-visualizations and environments on web to support a web-based explorative learning. Therefore it is necessary to investigate the prospects of 3D-visualization for transferring and adopting knowledge on web. The following paper describes different approaches to use 3D-visualization and Knowledge Worlds for conveying knowledge on web-based systems using web-based contents. First of all a short summary of existing approaches will be given, which try to convey knowledge by using 3D-metaphors. A survey of developed 3D-visualizations for knowledge exploration within semantically annotated content will show new ways and opportunities to explore and convey knowledge. Whereas only pure graphic-based systems will be described, which are developed in the context of a German research project. In contrast to 3D-visualization the so called 3D-Knowledge Worlds will be presented and described with their potential for constructivist and exploratory learning approaches. The paper will conclude with a summary of existing techniques in contrast to the developed ones to show the community the potential of the state-of-the-art systems in a kind of survey. Close Paper as PDF DigLib Site doi:10.5281/zenodo.3455879 Close