Wikidata

# Wikidata

Who / What

Wikidata is a **collaborative multilingual knowledge graph** hosted by the Wikimedia Foundation. It functions as an open-source repository of structured data, designed to support both Wikimedia projects (like Wikipedia) and external initiatives that require reliable, machine-readable information.

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Background & History

Wikidata was launched in 2012 as a response to the need for standardized, interlinked data across Wikimedia projects. Inspired by the success of Wikipedia but addressing its limitations with static content, Wikidata introduced a **semantic layer** where contributors could add structured facts (e.g., dates, locations) that could be queried programmatically. Initially developed in collaboration with volunteers and technical teams within the Wikimedia community, it evolved into a core project under the Wikimedia Foundation’s governance.

Key milestones include:

**2013**: Public beta release, allowing limited edits.

**2014**: Full launch with over 5 million items, enabling automated Wikipedia updates via Wikidata’s API.

**2018–Present**: Expansion into new languages (e.g., Chinese, Japanese) and integration with external datasets like DBpedia.

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Why Notable

Wikidata stands out as a **unique blend of crowdsourcing and technical innovation**, bridging the gap between human knowledge and machine processing. Its open data model under the [Creative Commons CC0](https://creativecommons.org/publicdomain/zero/1.0/) license ensures transparency, while its structured format enables applications in AI research, cultural heritage preservation, and scientific collaboration. Unlike Wikipedia’s encyclopedic focus, Wikidata prioritizes **reliability and interoperability**, making it a critical resource for projects requiring precise, verifiable data.

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In the News

As of 2024, Wikidata remains pivotal in addressing challenges like misinformation and data silos. Recent developments include:

**Partnerships**: Collaborations with institutions like the [European Commission](https://ec.europa.eu/) to enhance its coverage of European cultural heritage.

**Technological Advancements**: Integration with AI tools (e.g., for automated fact-checking) and expansion into niche domains (e.g., medicine, law).

**Growth**: Over 10 million items in 2023, with contributions from over 50,000 editors globally, underscoring its role as a global knowledge infrastructure.

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Key Facts

**Type**: Organization (nonprofit)

**Also known as**:

Wikimedia Knowledge Graph

Wikidata Project

**Founded / Born**: 2012 (Wikimedia Foundation headquarters, [Munich, Germany](https://en.wikipedia.org/wiki/Munich))

**Key dates**:

**2013**: Public beta release.

**2014**: Full launch with 5+ million items.

**2018**: Expansion to Chinese and Japanese languages.

**Geography**: Primarily hosted in **Germany** (Wikimedia Foundation HQ) but operates globally.

**Affiliation**:

Parent organization: Wikimedia Foundation ([wikimediafoundation.org](https://www.wikimediafoundation.org/)).

Industry/field: Open knowledge, digital humanities, semantic web.

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Links

[Wikipedia](https://en.wikipedia.org/wiki/Wikidata)

Sources

• 🔗 Wikipedia

Wikidata is a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation. It is a source of open data released under the Creative Commons CC0 public domain dedication. It is for the use of both Wikimedia and external projects.