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[Utility & Helpers](/categories/utility) 4. / 5. professional-wiki/semantic-wikibase ActiveMediawiki-extension[Utility & Helpers](/categories/utility) professional-wiki/semantic-wikibase =================================== MediaWiki extension that makes Wikibase data available in Semantic MediaWiki 0.1.0(5y ago)183686[3 issues](https://github.com/ProfessionalWiki/SemanticWikibase/issues)[3 PRs](https://github.com/ProfessionalWiki/SemanticWikibase/pulls)GPL-2.0-or-laterPHPPHP >=7.4CI failing Since Aug 22Pushed 1mo ago5 watchersCompare [ Source](https://github.com/ProfessionalWiki/SemanticWikibase)[ Packagist](https://packagist.org/packages/professional-wiki/semantic-wikibase)[ Docs](https://github.com/ProfessionalWiki/SemanticWikibase)[ GitHub Sponsors](https://github.com/JeroenDeDauw)[ Patreon](https://www.patreon.com/jeroendedauw)[ RSS](/packages/professional-wiki-semantic-wikibase/feed)WikiDiscussions master Synced 3w ago READMEChangelog (1)Dependencies (3)Versions (3)Used By (0) Semantic Wikibase ================= [](#semantic-wikibase) MediaWiki extension that makes [Wikibase](https://wikibase.consulting/what-is-wikibase/) data available in [Semantic MediaWiki](https://www.semantic-mediawiki.org). Semantic Wikibase was created by [Wikibase developers](https://professional.wiki/en/wikibase-software-development) at [Professional Wiki](https://professional.wiki/)with help from [Frans AL van der Horst](https://www.linkedin.com/in/frans-a-l-van-der-horst-95a3836/). Demo ---- [](#demo) [![](.github/youtube.png "Play video")](https://www.youtube.com/watch?v=ovZl_ZoGkc0) Platform requirements --------------------- [](#platform-requirements) - [PHP](https://www.php.net) 7.4 or later - [MediaWiki](https://www.mediawiki.org) 1.35.x - [Semantic MediaWiki](https://www.semantic-mediawiki.org) 3.2.x - [Wikibase Repository](https://www.mediawiki.org/wiki/Extension:Wikibase_Repository) branch: REL1\_35 Installation ------------ [](#installation) First install MediaWiki, Semantic MediaWiki and Wikibase Repository. The recommended way to install Semantic Wikibase is using [Composer](https://getcomposer.org) with [MediaWiki's built-in support for Composer](https://professional.wiki/en/articles/installing-mediawiki-extensions-with-composer). On the commandline, go to your wikis root directory. Then run these two commands: ``` COMPOSER=composer.local.json composer require --no-update professional-wiki/semantic-wikibase:* composer update professional-wiki/semantic-wikibase --no-dev -o ``` Then enable the extension by adding the following to the bottom of your wikis `LocalSettings.php` file: ``` wfLoadExtension( 'SemanticWikibase' ); ``` You can verify the extension was enabled successfully by opening your wikis Special:Version page in your browser. As a final step you need to configure the property namespaces. See the configuration section. Translated data --------------- [](#translated-data) Data part of [Wikibase Items and properties](https://www.mediawiki.org/wiki/Wikibase/DataModel) gets translated to Semantic MediaWiki property value pairs. ### Labels, descriptions, IDs, etc [](#labels-descriptions-ids-etc) Translated data in the form `Wikibase datamodel element => SMW property name (SMW property type)` - EntityId => Wikibase ID (Text) - Labels => Wikibase label (Monolingual text) - Descriptions => Wikibase description (Monolingual text) - Aliases => Wikibase alias (Monolingual text) ### Statements [](#statements) When a [statement](https://www.mediawiki.org/wiki/Wikibase/DataModel#Statements) is translated, only the value of the "main snak" is stored in SMW. The [SMW property](https://www.semantic-mediawiki.org/wiki/Help:Properties_and_types) name is the ID of the Wikibase property, for instance P42. The label of the Wikibase property gets added as alias. This means both `[[P42::+]]` and `[[Capital city::+]]` are valid in SMW queries. Deprecated statements are never translated. Normal statements are not translated if there are preferred statements. The SMW property type is based on the [Wikibase property type](https://www.mediawiki.org/wiki/Wikibase/DataModel#Datatypes_and_their_Values). Only statements with a supported property type are translated. Supported property types ------------------------ [](#supported-property-types) Wikibase name (en) SMW name (en) Wikibase id SMW id **Commons media file** Text commonsMedia \_txt **External identifier** External identifier external-id \_eid **Geographic coordinates** Geographic coordinates globe-coordinate \_geo **Item** Page wikibase-item \_wpg **Monolingual text** Monolingual text monolingualtext \_mlt\_rec **Point in time** Date time \_dat **Property** Page wikibase-property \_wpg **Quantity** Subobject (Page + Record) quantity \_wpg + \_rec **String** Text string \_txt **URL** URL url \_uri Currently not supported types: - Entity Schema (entity-schema) - Geographic shape (geo-shape) - Tabular Data (tabular-data) Configuration ------------- [](#configuration) You can configure Semantic Wikibase via [LocalSettings.php](https://www.mediawiki.org/wiki/Manual:LocalSettings.php). ### Property namespaces [](#property-namespaces) This is the only required configuration for setting up Semantic Wikibase. Wikibase and Semantic MediaWiki both add a Property namespace called "Property". This results in a conflict which can be resolved by renaming either the Wikibase property namespace or the Semantic MediaWiki property namespace. Renaming the Wikibase property namespace: ``` $wgExtraNamespaces[WB_NS_PROPERTY] = 'WikibaseProperty'; $wgExtraNamespaces[WB_NS_PROPERTY_TALK] = 'WikibaseProperty_talk'; ``` Renaming the SMW property namespace: ``` $wgExtensionFunctions[] = function() { $GLOBALS['wgExtraNamespaces'][SMW_NS_PROPERTY] = 'SemanticProperty'; $GLOBALS['wgExtraNamespaces'][SMW_NS_PROPERTY_TALK] = 'SemanticProperty_talk'; }; ``` You can choose what to rename these namespaces to. They do not need to be `WikibaseProperty` and/or `SemanticProperty`. As long as they are not the same, Semantic Wikibase will work. You will likely need to set these extra permissions to avoid getting errors when creating new items or properties: ``` $wgGroupPermissions['user']['item-create'] = true; $wgGroupPermissions['user']['property-create'] = true; ``` ### Property label language [](#property-label-language) The language used for translation of property labels defaults to the wiki language (`$wgLanguageCode`). This means that if your wiki language is English, and you have a property P1 with Dutch label "lokatie" and English label "location", the name of the property in Semantic MediaWiki will be "location". You can specify a language different from your wiki language should be used. This is done with the `$wgSemanticWikibaseLanguage` setting. With the below example, the label for P1 would be "lokatie": ``` $wgSemanticWikibaseLanguage = 'nl'; ``` ### Disabling translation for an entity type / namespace [](#disabling-translation-for-an-entity-type--namespace) ``` $smwgNamespacesWithSemanticLinks[WB_NS_ITEM] = false; $smwgNamespacesWithSemanticLinks[WB_NS_PROPERTY] = false; ``` Enhancement ideas ----------------- [](#enhancement-ideas) Data translation: - Ability to whitelist or blacklist entities from being translated - Ability to whitelist or blacklist statements from being translated - Translation of qualifiers, references, statement rank and other non-main-snak data - Support for Entities other than Items and Properties - Translation of Item sitelinks Properties: - Detection and possibly prevention of property name conflicts between Wikibase and SMW - (Multilingual) descriptions of Wikibase properties on SMW property pages - Grouping of Wikibase properties on Special:Browse [Professional.Wiki](https://professional.wiki) provides commercial [MediaWiki development](https://professional.wiki/en/mediawiki-development), [Wikibase development](https://professional.wiki/en/wikibase-software-development), and [managed wiki hosting](https://professional.wiki/en/hosting). Release notes ------------- [](#release-notes) ### Version 0.1 [](#version-01) Released on September 3, 2020 - [Initial release with support for main snaks and most data types](https://professional.wiki/en/news/semantic-wikibase-released) ### Health Score 37 — LowBetter than 81% of packages Maintenance55 Moderate activity, may be stable Popularity23 Limited adoption so far Community18 Small or concentrated contributor base Maturity46 Maturing project, gaining track record Bus Factor1 Top contributor holds 95.2% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Unknown Total 1 Last Release 2140d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/451bd4039d530fed8f9c3da91bfa519233a397d2182cdfdcad700f6cfea19b7f?d=identicon)[Jeroen De Dauw](/maintainers/Jeroen%20De%20Dauw) ![](https://avatars.githubusercontent.com/u/1104078?v=4)[Karsten Hoffmeyer](/maintainers/kghbln)[@kghbln](https://github.com/kghbln) --- Top Contributors [![JeroenDeDauw](https://avatars.githubusercontent.com/u/146040?v=4)](https://github.com/JeroenDeDauw "JeroenDeDauw (100 commits)")[![kghbln](https://avatars.githubusercontent.com/u/1104078?v=4)](https://github.com/kghbln "kghbln (3 commits)")[![alistair3149](https://avatars.githubusercontent.com/u/9260542?v=4)](https://github.com/alistair3149 "alistair3149 (1 commits)")[![kizule](https://avatars.githubusercontent.com/u/28963303?v=4)](https://github.com/kizule "kizule (1 commits)") --- Tags mediawikimediawiki-extensionopendatasemantic-mediawikisemantic-websmwwikiwikibasewikibase-extensionwikidatamediawikiwikiSemantic Webstructured-datawikidatawikibaseSMWSemantic MediaWiki ### Code Quality Static AnalysisPHPStan, Psalm Type Coverage Yes ### Embed Badge ![Health badge](/badges/professional-wiki-semantic-wikibase/health.svg) ``` [![Health](https://phpackages.com/badges/professional-wiki-semantic-wikibase/health.svg)](https://phpackages.com/packages/professional-wiki-semantic-wikibase) ``` ### Alternatives [professional-wiki/wikibase-local-media Adds the local media data type to Wikibase 128.8k](/packages/professional-wiki-wikibase-local-media)[mediawiki/semantic-media-wiki An extension to MediaWiki that lets you store and query structured data within wiki pages 622381.2k34](/packages/mediawiki-semantic-media-wiki)[helsingborg-stad/municipio A bootstrap theme for creating municipality sites. 4028.5k10](/packages/helsingborg-stad-municipio)[mediawiki/maps Adds various mapping features to MediaWiki 84152.3k3](/packages/mediawiki-maps)[mediawiki/semantic-result-formats Provides additional result formats for queries using Semantic MediaWiki 56188.7k1](/packages/mediawiki-semantic-result-formats)[mediawiki/semantic-extra-special-properties Provides extra special properties for Semantic MediaWiki 3079.9k1](/packages/mediawiki-semantic-extra-special-properties) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)