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KnowledgeGraph

This extension provides the #knowledgegraph parser function to visualize the knowledge graph in Semantic MediaWiki with vis-network.js

Includes a KnowledgeGraph Designer through which interactively create/export graphs.

Requirements

Requirements for KnowledgeGraph 1.x:

  • PHP 7.4 or later
  • MediaWiki 1.39 or later
  • SemanticMediaWiki 4.x or later

Usage

Insert a parser function like

{{#knowledgegraph:
nodes=Page A, Page B
|properties=HasProperty1,HasProperty2
|depth=3
|graph-options=Mediawiki:KnowledgegraphGraphOptions
|property-options?HasProperty1=Mediawiki:KnowledgegraphNodeOptionsHasProperty1
|show-toolbar=false
|show-property-type=false
|width=100%
|height=400px
}}

Updating vis-network Library

This extension uses the vis-network JavaScript library for rendering network diagrams. The version is managed via npm and bundled into the extension using a post-install script.

How It Works

After running npm install, the following happens automatically:

  1. Copying Files
    The copy-files-from-to tool copies the minified vis-network files from node_modules to the resources/visNetwork/ directory:

    • vis-network.min.js
    • vis-network.min.js.map

  2. Injecting Comment
    A custom script (inject-nomin.js) prepends the line /*@nomin*/ to vis-network.min.js.
    This comment prevents MediaWiki's ResourceLoader from re-minifying the file.

To Update vis-network

  1. Open package.json and change the version under "vis-network"
    (e.g., "vis-network": "latest" or a specific version like "9.1.9").

  2. Run:

    npm install

Credits

https://github.com/OpenSemanticLab/mediawiki-extensions-InteractiveSemanticGraph