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OntoRail knowledge engine - user documentation

The present Wiki documents the contents of the User's Guide of the OntoRail knowledge engine.

OntoRail main functionalities

The OntoRail knowledge engine is offering four main functionalities:

• Import: import of ontologies into the OntoRail internal RDF knowledge graph,
• Browse: visualization, navigation and search in ontologies,
• Relate: establishment of relations between concepts across ontologies using a controlled vocabulary,
• Export: provide external access to the knowledge stored in the OntoRail knowledge graph.

OntoRail main panel

The interface of the OntoRail web application is divided in three parts:

1. a menu bar
2. a panel displaying the available source ontologies
3. a panel dedicated to creating and editing relations between concepts

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Menu Bar

The Menu Bar offers access to the following functionalities:

• User's Manual (this Wiki)
• Download of:
  • source ontologies
  • OntoRail relations and OntoRail vocabulary
• SPARQL endpoint
• User Login (some functionalities are limited to logged-in users)

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Source ontologies panel

The Source ontologies panels provides an overview of all sources visible to the user as well as access to a global search across ontologies.

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For each source, a details panel provides:

• a link to the official documentation of the source
• version info on the source
• a concise description of the source
• an overview of the contents of the source in terms of number of packages / classes, number of properties, ...
• an access to the Tree Browser widget to visualize the source in a hierarchical tree browser
• an access to the Graph View widget to visualize the source as a connected graph

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For further details on the functionalities offered by the OntoRail web application for browsing one or more sources, see Browse.

Relations panel

The Relations panel offers functionalities for:

• the creation
• the edition
• the deletion

of the links created with the OntoRail tool.

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For further details on the usage of the relations panel, see Relate.

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