Help:Graph format
From semantic-mediawiki.org
Graph format is a format bringing together the MediaWiki Graphviz extension and Semantic MediaWiki. It allows Semantic MediaWiki' inline queries to display query results as graphs.
More about GraphViz can be found at the GraphViz page.
Contents |
Requisites
- Installed and running Semantic Mediawiki Extension, download from here
- Installed and running Mediawiki extension GraphViz, download from here
- please use the improved version from [1] including the local wiki URLs.
Install instructions
The graph format is part of the Semantic Result Formats. Installation instructions can be found there.
Note that it may be a bit troublesome to install the GraphViz extension due to its current bad maintenance. It would be great if someone cleaned that up.
Additional query parameters
| Parameter | Type | default | Notes |
| graphname | String | QueryResult | Names the graph |
| graphlabel | Yes or No | No | Labels the edges |
| graphcolor | Yes or No | No | Colors the edges |
| graphlink | Yes or No | No | Links nodes to their wiki pages |
| graphlegend | Yes or No | No | Displays a legend |
| rankdir | LR,RL,TB or BT | LR | Specifies the direction of the graph L=left,R=right,T=top,B=bottom |
| graphsize | pointf | none | Specifies the size of the graph |
Semantic query example
{{#ask: [[Category:Person]]
| ?has child | ?knows
| format=graph
| graphcolor=Yes
| graphlink=Yes
| graphname=PeopleKnows
| graphlegend=Yes
| graphlabel=No
| praphsize=10,10
| rankdir=TB
}}
To see an example in action go to semanticweb.org and a graph of all countries bordering each other.
This documentation page applies to all SMW versions from 1.3 to the most current version.
