Wikidata:メインページ

ウィキデータへようこそ

56,248,010 件の項目を持つ、誰でも編集可能なフリーの知識ベース。

はじめに • 井戸端 • コミュニティ・ポータル • ヘルプ

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  ようこそ!

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others.

Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.

  参加しよう

Learn about Wikidata

• What is Wikidata? Read the Wikidata introduction.
• Explore Wikidata by looking at a featured showcase item for author Douglas Adams.
• Get started with Wikidata's SPARQL query service.

Contribute to Wikidata

• Learn to edit Wikidata: follow the tutorials.
• Work with other volunteers on a subject that interests you: join a WikiProject.
• Individuals and organisations can also donate data.

Meet the Wikidata community

• Visit the community portal or attend a Wikidata event.
• Create a user account.
• Talk and ask questions on the Project chat or via live IRC chat^connect.

Use data from Wikidata

• Learn how you can retrieve and use data from Wikidata.

More...

  ニュース

• 2019-04-07: The sixty-three millionth item, about a protein, is created.
• 2019-04-02: Wikidata records its 900,000,000 edit.
• 2019-03-21: Link support with Wikimania has been added (The discussion)
• 2019-03-15: Wikidata records its 883,173,631 edit, overtaking the English Wikipedia to become the most edited Wikimedia website.
• 2019-03-08: The sixty-two millionth item, about the ciliate species Dysteria derouxi, is created.

More news... (edit [in English])

  データについて

New to the wonderful world of data? Develop and improve your data literacy through content designed to get you up to speed and feeling comfortable with the fundamentals in no time.

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  Item: Earth (Q2)

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  Property: highest point (P610)

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  custom value: Mount Everest (Q513)

  最近のハイライト

• 2019 Sri Lanka bombings (Q63245644)
• Q63185561
• Jean (Q15988) (pictured)
• Olena Zelenska (Q59321885)
• Le Duc Anh (Q470920)
• PIER+HORIZON (Q63256631)
• Anders Holch Povlsen (Q19667535)

  発見

Innovative applications and contributions from the Wikidata community

Featured WikiProject:
WikiProject Names.

"What's in a name?" asked Shakespeare's Juliet.
The answer: a lot of rich data in need of structure and new properties. But thanks to growing user contributions and the work of a new WikiProject, Wikidata is getting better at supporting name-related data—and can tell you that Juliet also goes by Julika, and Giulia, and Hülya, and Liana, and Uljana...

More:

• Check out Wikidata:Tools for some of our best tools and gadgets for using and exploring Wikidata.
• Browse our press clippings and collection of published research about Wikidata

Know of an interesting project or research conducted using Wikidata? You can nominate content to be featured on the Main page here!

  連絡

• Wikidata mailing list
• Wikidata technical mailing list
• Discussion requests for specific topics
• Facebook, Quora, Twitter

• Leave a message at project chat
• Chat on Telegram or on IRC^connect
• Contact the developers
• Wikidata Community User Group
• Keep up-to-date: Weekly summaries

Wikidata is part of the non-profit, multilingual, free-content Wikimedia family.

 Wikipedia – Encyclopedia     Wiktionary – Dictionary and thesaurus     Wikibooks – Textbooks, manuals, and cookbooks     Wikinews – News     Wikiquote – Collection of quotations     Wikisource – Library     Wikiversity – Learning materials and activities     Wikivoyage – Travel guides    Wikispecies – Directory of species     Wikimedia Commons – Media repository     Incubator – New language versions     Meta-Wiki – Wikimedia project coordination     MediaWiki – Software documentation