Visualizing Ontologies – A Literature Survey

Saghafi, Arash

doi:10.1007/978-3-319-40985-6_16

Cited by 5 publications

(9 citation statements)

References 23 publications

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“…In Saghafi (), ontology visualization tools are classified into three groups: (a) graph‐based methods, which draw the ontology as a graph; (b) multimethod visualization techniques, which draw the ontology using blocks, lists, linked histograms, hierarchical connected circles, node‐link diagrams, hyperbolic or radial trees, tree maps, and so forth; and (c) Euler diagram‐based methods, which visualize the topological properties of ontologies. Onyx is a graph‐based ontology visualization tool that can be used to gain a general overview of ontologies.…”

Section: Discussionmentioning

confidence: 99%

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Onyx: A new Canvas‐based tool for visualizing biomedical and health ontologies

Öztürk

Açikgöz

2019

Expert Systems

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Ontologies provide formal, machine‐readable, and human‐interpretable representations of domain knowledge. Therefore, ontologies have come into question with the development of Semantic Web technologies. People who want to use ontologies need an understanding of the ontology, but this understanding is very difficult to attain if the ontology user lacks the background knowledge necessary to comprehend the ontology or if the ontology is very large. Thus, software tools that facilitate the understanding of ontologies are needed. Ontology visualization is an important research area because visualization can help in the development, exploration, verification, and comprehension of ontologies. This paper introduces the design of a new ontology visualization tool, which differs from traditional visualization tools by providing important metrics and analytics about ontology concepts and warning the ontology developer about potential ontology design errors. The tool, called Onyx, also has advantages in terms of speed and readability. Thus, Onyx offers a suitable environment for the representation of large ontologies, especially those used in biomedical and health information systems and those that contain many terms. It is clear that these additional functionalities will increase the value of traditional ontology visualization tools during ontology exploration and evaluation.

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Section: Discussionmentioning

confidence: 99%

“…In Saghafi (2016), ontology visualization tools are classified into three groups: (a) graph-based methods, which draw the ontology as a graph;…”

Section: Discussionmentioning

confidence: 99%

Onyx: A new Canvas‐based tool for visualizing biomedical and health ontologies

Öztürk

Açikgöz

2019

Expert Systems

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“…A comprehensive survey on ontology visualisation [38] categorises systems for visualising ontologies based on their visualisation types: indented list, node-link and tree, zoomable, space-filling, focus + context or distortion, and 3D information landscapes. A recent survey [55] proposes two categories: graph-based methods and multi-method visualisation techniques. The latest survey [17] provides a useful classification and comprehensive evaluation of available ontology visualisation tools.…”

Section: Ontology Visualisationmentioning

confidence: 99%

“…Visual tool support for the 1 https://bioportal.bioontology.org/ effective interrogation of these ontologies is essential to both ontology users and ontology developers. As a response to this important problem, many visualisation systems have been developed in recent decades [17,38,55].…”

Section: Introductionmentioning

confidence: 99%

“…Despite the importance of associations, most of the existing ontology visualisation tools focus on class hierarchy [17,38,55]. Although some tools, such as [14,37,40,44,65], do visualise ontology associations, they do not support the complex association tasks mentioned above, and users sometimes need to count the number of associations between multiple classes to perform such tasks.…”

Section: Introductionmentioning

confidence: 99%

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OntoPlot: A Novel Visualisation for Non-hierarchical Associations in Large Ontologies

Yang

Wybrow

et al. 2019

IEEE Trans. Visual. Comput. Graphics

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Fig. 1: OntoPlot interface. Classes with associations are highlighted in colour based on the key on the right-hand side. A panel on the left (not shown) selects different types of non-hierarchy associations found within the ontology (denoted by the OWL object properties involved). The panel on the right provides search and displays additional information for selected classes (not shown).Abstract-Ontologies are formal representations of concepts and complex relationships among them. They have been widely used to capture comprehensive domain knowledge in areas such as biology and medicine, where large and complex ontologies can contain hundreds of thousands of concepts. Especially due to the large size of ontologies, visualisation is useful for authoring, exploring and understanding their underlying data. Existing ontology visualisation tools generally focus on the hierarchical structure, giving much less emphasis to non-hierarchical associations. In this paper we present OntoPlot, a novel visualisation specifically designed to facilitate the exploration of all concept associations whilst still showing an ontology's large hierarchical structure. This hybrid visualisation combines icicle plots, visual compression techniques and interactivity, improving space-efficiency and reducing visual structural complexity. We conducted a user study with domain experts to evaluate the usability of OntoPlot, comparing it with the de facto ontology editor Protégé. The results confirm that OntoPlot attains our design goals for association-related tasks and is strongly favoured by domain experts.

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Ontology-driven detection of redundancy in short texts and its visualization

Lang

2022

International Conference on Computer Systems and Technologies 2022

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Visualizing Ontologies – A Literature Survey

Cited by 5 publications

References 23 publications

Onyx: A new Canvas‐based tool for visualizing biomedical and health ontologies

Onyx: A new Canvas‐based tool for visualizing biomedical and health ontologies

OntoPlot: A Novel Visualisation for Non-hierarchical Associations in Large Ontologies

Ontology-driven detection of redundancy in short texts and its visualization

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