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This document holds the installation and configuration instructions for the Semantic Result Formats (SRF) extension.

Installation

The recommended way to install Semantic Result Formats is using Composer with MediaWiki's built-in support for Composer.

Note that the required extension Semantic MediaWiki must be installed first according to the installation instructions provided.

Step 1

Change to the base directory of your MediaWiki installation. If you do not have a "composer.local.json" file yet, create one and add the following content to it:

{
	"require": {
		"mediawiki/semantic-result-formats": "~3.1"
	}
}

If you already have a "composer.local.json" file add the following line to the end of the "require" section in your file:

"mediawiki/semantic-result-formats": "~3.1"

Remember to add a comma to the end of the preceding line in this section.

Step 2

Run the following command in your shell:

php composer.phar update --no-dev

Note if you have Git installed on your system add the --prefer-source flag to the above command.

Step 3

Add the following line to the end of your "LocalSettings.php" file:

wfLoadExtension( 'SemanticResultFormats' );

Configuration

A default set of formats is enabled. These are the formats that satisfy the following criteria:

  • they do not require further software to be installed (besides Semantic MediaWiki),
  • they do not transmit any data to external websites, not even by making client browsers request any static external resources (such as an externally hosted image file),
  • they are considered reasonably stable and secure.

Currently, these default formats are:

'icalendar', 'vcard', 'bibtex', 'calendar', 'eventcalendar', 'eventline', 'timeline', 'outline', 'gallery', 'jqplotchart', 'jqplotseries', 'sum', 'average', 'min', 'max', 'median', 'product', 'tagcloud', 'valuerank', 'array', 'tree', 'ultree', 'oltree', 'd3chart', 'latest', 'earliest', 'filtered', 'slideshow', 'timeseries', 'sparkline', 'listwidget', 'pagewidget', 'dygraphs', 'media', 'datatables'

To add more formats to this list, you can add lines like:

$srfgFormats[] = 'googlebar';

... or you can override the set of formats entirely, with a call like:

$srfgFormats = [ 'calendar', 'timeline' ];

There are some formats that you may not want to include because they may not follow certain policies within your wiki; the formats 'googlebar' and 'googlepie', for instance, send data to external web services for rendering, which may be considered a data leak.

Notes on specific formats:

  • array: requires the MediaWiki Arrays extension to work.
  • gantt: requires the MediaWiki Mermaid extension to work.
  • googlebar: sends data to Google for rendering. It also requires access to the Google servers in order to render.
  • googlepie: sends data to Google for rendering. It also requires access to the Google servers in order to render.
  • graph: requires the MediaWiki GraphViz extension to work.
  • hash: requires the MediaWiki HashTables extensions to work.
  • process: requires the MediaWiki GraphViz extension to work.
  • spreadsheet: requires the phpspreadsheet library from phpoffice to work.