This is the Wikidata summary of the week before 2021-12-20.

• New request for comments:
  • Creating new Wikidata items for all Commons categories
• Other:
  • SPARQL query service (SDC) mandatory authentication considered harmful

• Upcoming:
  • The next Wikibase live session is 16:00 GMT on Thursday 30th December 2021 (17:00 Berlin time). This month we will have a guest presentation by the team at The Semantic Lab at Pratt Institute. They will present how they are using Linked Open Data (LOD) in their projects with the help of Wikibase. All are welcome!
  • Next Wikidata Bug Triage Hour: January 13th at 17:00 UTC. Open discussion, bring your favorite Phabricator task.
• Ongoing:
  • Weekly Lexemes Challenge #21, Celebration
• Past:
  • EduWiki Live on the theme of Wikidata and Curriculum Digitization. (replay)
  • Wikidata workshop (in Italian) (replay)
  • Semantic Web in Libraries: SWIB21 (replay)
    • From string to thing: Wikidata based query expansion
    • Representing the Luxembourg Shared Authority File based on CIDOC-CRM in Wikibase

• Blogs
  • Wikidata user and project talk page connection graph
  • Images from Wellcome Collection pass 1.5 billion views on Wikipedia
  • Integrating the PM20 companies archive: part 3 of the data donation to Wikidata
  • Parliamentary debates are made more transparent and accessible with Wikidata
  • A parliamentary document says more than a thousand words (in Swedish)
  • The Longest Serving MP in Sweden
  • "With artificial intelligence, common sense is uncommon. "To help overcome this challenge, researchers use several sources of commonplace knowledge like Wikidata to obtain a “reasoned” AI response."
• Papers
  • A botanical demonstration of the potential of linking data using unique identifiers for people
  • Survey on English Entity Linking on Wikidata
• Videos
  • Tutorial for Wikidata Mix'n'Match tool for database pairing (in Czech) - YouTube
  • SPARQL queries on Wikidata - basic level (in Italian) - YouTube
  • Presentation about the Wikidata community (in Italian) - YouTube
  • Wikidata Advanced Course (in German) by OpenGLAM Switzerland - YouTube
    • Introduction
    • Concept of Linked Open Data
    • SPARQL-Queries
    • Automatic data import
  • Querying Wikidata: Museums, Volcanoes (in French) - YouTube
  • Wikidata Fundamentals (in French) by CAPACOA - YouTube
    • Triplets, licenses
    • Item, references and qualifiers, history tab
    • Creation of a user account. Creation of a new items
  • Wikidata Workshop: The basics by CAPACOA - YouTube
    • Wikimedia Foundation licenses, item, semantic triples
    • User creation
    • Searching and editing an item
  • Vector Search through Wikidata with Weaviate - YouTube
  • Creating items on Wikidata using OpenRefine (without sound — subtitles only) - YouTube

• NoclaimsBot adds the first statements on items without claims based on templates used on the linked Wikipedia article.

• The 500th Wikidata weekly summary is 2 issues away. We are putting together interesting things related to the number 500 to include in that issue. Do you know any Wikidata facts or queries or anything cool related to 500? Please add them to Wikidata:Status updates/Next#Welcome to the 500th Weekly Summary!
• Wikimedia Commons Query Service (WCQS), currently in beta, will soon be in production with a planned General Availability date of 1 Feb 2022. See the Upcoming General Availability release discussion page for more details.
• Seth started an essay to summarize the multiple data-related projects going on between Wikimedia Projects at the moment: User:Lectrician1/The grand mess of data on Wikimedia.
• When creating new Wikidata statements in QuickStatements, you can now create multiple “reference groups” by using “!Sxx” instead of “Sxx” syntax to start a new reference group.
• Wikimedia Deutschland is running a survey to evaluate Wikibase Installation and Updating experience for users. Please answer a few questions so we can continue to identify areas of improvement for users. Survey links
  • Wikibase Installation Survey
  • Wikibase Software Updating Survey
• Open positions at Wikimedia Deutschland in the Wikidata/Wikibase teams
  • Engineering Director
  • Full-Stack Developer

• Newest properties:
  • General datatypes: iTunes genre
  • External identifiers: Pandora album ID, Indonesian College Code, Institute of History of Ukraine ID, Academy of Athens authority ID, ThENC@ ID, CDAEM person ID, Famitsu game ID, EPA Facility Registry Service ID, Levels.fyi company ID, U-PAD author ID, CAMPUS author ID, Original Esperanto Literature author ID, iTunes genre ID, Rutube channel ID, Nasha Versia ID
• New property proposals to review:
  • General datatypes: Category for work of subject, Honorary citizens category of entity, Kanobu numeric ID, cadastral district, official shop URL, website, documented files
  • External identifiers: street number in Austria, EU Whoiswho ID, Dicionario da Real Academia Galega, Österreichische Schulkennzahl, iCSO ID, Bloomsbury Fashion Central ID, Lur Encyclopedia ID, Zürich Herbaria collector ID, KSH code (historical), Encyclopedia of Krasnoyarsk Krai ID, WikiStrinda ID, Bokselskap.no ID, Film.ru film ID, Film.ru actor ID, Artland artist ID, Artland gallery ID, ILAB ID, UNESCO ICH ID, Maritimt Magasin skips ID
• Query examples:
  • Shijian (SJ 实践) experimental satellites (source)
  • Age of living Hawthorn FC players (source)
  • People died on their 50th birthday (Source)
  • Relationship between London School of Economics doctoral advisors and students (source)
  • Map of twinned towns (or partners) of municipalities of Puy-de-Dôme (source)
  • Map of the places named in reference the horse (source)
  • Map of bridges in Kaliningrad (source)
  • Latvian citizens by occupation (source)
  • Wikidata items which are the most linked by lexemes using the property “item for this sense” (source)
  • Actors in Christmas movies: by frequency, with film titles and sample film item (source)
  • Filming locations of Christmas movies, with film titles and sample film item (source)
  • Recent Christmas movies lacking filming location (source)

• Due to the winter holidays, the development team is taking a break and no deployment is happening for Wikidata at the moment. Happy holidays, everyone :)

You can see all open tickets related to Wikidata here. If you want to help, you can also have a look at the tasks needing a volunteer.

• Add labels, in your own language(s), for the new properties listed above.
• Comment on property proposals: all open proposals
• Contribute to a Showcase item.
• Help translate or proofread the interface and documentation pages, in your own language!
• Help merge identical items across Wikimedia projects.
• Help write the next summary!