Discussions

• Open request for bureaucrat: Wüstenspringmaus

Events

• Upcoming events:
  • Wikidata and Research Conference June 5-6, 2025 at the University of Florence.
  • The 5th Wikidata Workshop taking place November 2-3, 2025 during the 25th International Semantic Web Conference hosted in Nara, Japan. Call for Papers is open until 23:59 AoE, August 2. This year, the program tracks are 1. Novel Work and 2. Previously Published Work. Submission template and guidelines are available here and you can submit your topic here.
  • The Wikidata and Sister Projects online conference approaches: May 29 - July 1, 2025. Have you registered yet?

Press, articles, blog posts, videos

• Blogs
  • How to Build a Production-Ready Knowledge Graph(with Code): A Practical Guide By Amit Yadav
  • Who are the Cardinal Electors of 2025 papal conclave? A typical question for Wikidata? by Christian Erlinger (Q67173261)
• Papers
  • Proceedings of the Association for Computing Machinery on Web Conference 2025. By Guodong et. al., (2025)
  • Passage: Ensuring Completeness and Responsiveness of Public SPARQL Endpoints with SPARQL Continuation Queries By Thi Hoang et. al., (2025)

Tool of the week

• quarry.wmcloud.org is a public querying interface for Wiki Replicas, a set of live replica SQL databases of public Wikimedia Wikis. Quarry is designed to make running queries against Wiki Replicas easy. Quarry can also be used to query public databases stored in ToolsDB.

Other Noteworthy Stuff

• Scholia is running a user survey until the end of May .
• Researchers from the University of Regina in Canada invite you to participate in the Open Data Community Survey 2025. Read more!

Newest properties and property proposals to review

• Newest General datatypes:
  • BEACON file URL (URL of an online service's BEACON file, a data interchange format for large numbers of uniform links.)
  • research projects that contributed to this data set (research projects that have contributed to or otherwise created an item)
  • ‎terminal speaker (the last person able to speak the language fluently)
  • ‎nomenclatural type of (taxon item of which this item is the taxonomic type (name-bearing type), e.g. the family for which this genus is the type, the genus for which this species is the type, the taxon for which this type specimen is the type, ect...)
  • interior designer (person responsible for the interior design of a notable building or structure)
  • ‎kigo of (season which denotes the sense in haiku in Japanese)
• Newest External identifiers: Homosaurus ID (V4), Helden van het Verzet person ID, Our Campaigns container ID, Catálogo Histórico de Tese e Dissertações da Área de História ID, Congress.gov committee ID, Congressional Medal of Honor Society recipient ID, Israeli Governmental Data Repository ID, Deutsche Genbank Obst (‎DGO) ID, DVIDS photo ID, FirstCycling race ID, FirstCycling team season ID, Hmong Studies Citations ID, Cartofaf organization ID, Calindex author ID, Diocese of Lyon Museum person ID, BnF dictionary ID, Dezède person ID, Meta-Doctrinal ID, Ordre national du Québec ID, ‎Internet Game Database genre ID, Shazoo tag ID, ‎OGDB genre ID, Tax Identification Number (Colombia), ‎National Gallery (London) PID, Kunstkamera ID, Zurich Kantonsrat and Regierungsrat member ID, ‎WSGF taxonomy term ID, World Higher Education Database ID, ‎VD 16 ID, United Nations Terminology Database ID, Trafikplatssignatur, Top50 system ID, IndExs exsiccata ID, Markstammdatenregister ID, Ech-Chaab tag ID, ‎SearchCulture.gr ID, RaiPlay Sound program ID, RaiPlay Sound playlist ID, Modern China Biographical Database ID, Know Your Meme slug, LEMAV ID, PerformArt ID, Chilean NPO number, TermTerm UUID, Steam Deck HQ game ID, ‎SeqCode Registry ID, School ID Schleswig-Holstein, Rodovid family ID, Repertorium kleine politieke partijen 1918-1967 (Party), Captain Coaster park ID, Scilit scholar ID, The Rural Settlement of Roman Britain ID, PCPartPicker product ID, goal.com football match ID, The Soka Gakkai Dictionary of Buddhism ID, Cultural Heritage Online (Japan) special ID, Eurobasket.com club ID, europlayers.com club ID, badmintoncn.com star ID, ‎Danskefilmstemmer.dk work or dubbing ID
• New General datatypes property proposals to review:
  • defined for (the subject takes the object as parameter (or parameter tuple))
  • The Long Distance Walkers Association (External Identifier (URL slug) for a hiking route on The Long Distance Walkers Association website (United Kingdom only))
• New External identifier property proposals to review: IEC CDD for electronics, GOG Dreamlist ID, IEC CDD units, Urban Dictionary ID (2), RCI number, Portable Antiquities Scheme image ID, myCast person ID, Personality Database category ID, parliament.uk bill ID, Bierista beer ID, Encyclopedia of the Serbian National Theatre ID

You can comment on all open property proposals!

Did you know?

• Query examples:
  • All national parties that are members of a European party and whose country is a member of the European Union (source)
  • Related works from co-citation analysis (source)
• Newest WikiProjects : WikiProject Saint Mary's College (IN) aims to improve the coverage of Saint Mary's and the scholarly works being created at Saint Mary's.
• Showcase Lexemes: Córdoba (L642328) - Spanish noun (kór-do-ba) that can mean "a city in Spain", "a city in Argentina", or "a Mexican city"

Development

• Bug: We fixed an issue where newly created Properties became inaccessible after adding a statement with a Property linking to an Item or Lexeme. The fix will go live on Wednesday. (phab:T374230)
• Search: We continued implementing the new search that will make it easier to search for Properties and Lexemes in the UI (phab:T321543)

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.

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!

Discussions

• Closed request for permissions/Bot: Mr Robot - No consensus reached.

Events

• Past events: Wikimedia Hackathon in Istanbul
• Upcoming events:
  • Volunteer Supporters Network/Wikidata for beginners May 16, 2025
  • Wikidata and Sister Projects May 29 - June 1, 2025. register here
  • Wikidata and Research Conference June 5-6, 2025 at the University of Florence.
  • Call for Proposals:Wikidata Taiwan x OpenStreetMap Taiwam @ COSCUP 2025,Submission Deadline: May 10, 2025 (AoE).
  • WikidataCon 2025 Oct 31 - Nov 2, 2025. Register here

• Ongoing event: Coordinate Me 2025 May 1 - May 31, 2025

Press, articles, blog posts, videos

• Blogs
  • WikidataCon 2025 - programme track categories are ready - time to start thinking about session proposals!
  • checking OSM IDs between OSM and Wikidata By Michaël
  • WikiFlix, a new free streaming platform goes live
• Papers
  • How to Develop a Privacy-First Entity Recognition System By Papadopoulou et. al., (2025)
  • Detecting and Masking Personal Data in Text By Papadopoulou et. al., (2025)
  • EA2N: Evidence-Based AMR Attention Network for Fake News Detection By Gupta et. al., (2025)

Tool of the week

• OpenStreetMap: OpenStreetMap, is a project that creates and distributes free geographic data for the world. It was started because most maps you think of as free actually have legal or technical restrictions on their use, holding back people from using them in creative, productive, or unexpected ways .

Other Noteworthy Stuff

• Ever played Redactle? Lucas put together a Wikidata version of it. Can you guess the Item? Still needs a bit of work but you can try it out now.
• EditGroups has a new maintainer

Newest properties and property proposals to review

• Newest properties:
  • General datatypes:
    • organization unit code (organization unit code of the organization unit/part/(sub)division item)
    • likes of fictional character (particular likes which applies to this fictional character as (usually) stated in their official profile or biography)
    • dislikes of fictional character (particular dislikes which applies to this fictional character as stated in their official profile or biography)
    • number of render output units (number of render output units in a graphics processing unit)
    • RAM capacity (amount of volatile random-access memory (RAM) modules used by this device)
    • species protection status (Links species, habitat or biotope type with the regulation international or national that protects this species)
    • Nation Ranking (primary) (main/general ranking for a cycling tournament season)
    • Nation Ranking (secondary) (youth/U23 ranking for this cycling tournament season)
  • External identifiers: badmintoncn.com star ID, ‎Danskefilmstemmer.dk work or dubbing ID, geraldika.ru symbol ID, ‎JSIC code, The Oxford Dictionary of Music entry ID, Dark Ride Database ride ID, Dark Ride Database park ID, Dark Ride Database manufacturer ID, ‎Databáze her platform ID, Mourisco Catalogue work ID, Radiomuseum vacuum tube/transistor ID, ‎CAMRA pub ID, MobyGames attribute ID, MetalTabs.com track ID, Moure's Catalog ID, PromoDJ track ID, Euronews topic ID, Audiomack artist ID, Audiomack album ID, Europe PMC preprint ID, ‎SMB-digital asset ID, Audiomack song ID, Encyclopaedia of Islam (glossary and index of terms) ID, Qur'an Wiki article ID, Itch.io tag ID, Corago singer ID, ‎MoNA spectrum ID, La Croix author ID, ‎Billie Jean King Cup player ID 2024, ‎TeamUSA.com athlete ID, ‎Snopes ID, A Dictionary of Media and Communication entry ID, Black Sea Cultural Inventory ID, ‎PyPI organization name, The Concise Oxford Dictionary of Archaeology entry ID, ‎PlayStation Museum product ID, Urban Dictionary ID, ‎GOG Dreamlist ID, RCI number, ‎Portable Antiquities Scheme image ID, Orthodox World ID, ‎Coasterpedia ID, Ethnologue language family ID, ‎factordb ID, SCImago Institutions Rankings ID, UniRank ID, Bibliometrics of Ukrainian science person ID
• New property proposals to review:
  • General datatypes:
    • Context Window (The maximum length of an input token in the language model.)
    • contains nutrient (Food contains nutrient)
    • underlying data (this mathematical structure has these data as part)
    • échelle de Beaufort (empirical measure describing wind speed based on observed conditions)
  • External identifiers: vlaamsekunstcollectie.be ID, Mobility Database ID, Patrimonio Galego ID, Substack username, Private Enterprise Number, ComputerLanguage.com definition, otzovik.com review ID, Repertorium kleine politieke partijen 1918-1967 (Persoon)

You can comment on all open property proposals!

Did you know ?

• Newest WikiProjects :
  • Nonprofit Organisations: Ukraine
  • Stockholm Archilepago Trail
• Newest database reports : Descriptions with QID - These Item descriptions contain a QID or Item ID.
• Showcase Items: Hans van Mierlo (Q288771) - Dutch politician (1931–2010)
• Showcase Lexemes: Tribe (L28956) - English noun (trīb) that can mean "a social division in traditional society", "a political subdivision", or "a genre of Techno Music":

Development

• Wikidata Query Service: The search platform team finished the remaining work for the graph split and it is going live this week.
• We took part in the Wikimedia Hackathon in Istanbul
• Wikipedia and co: We continued working on improving how Wikidata edits are shown on the watchlist on Wikipedia and co. We are focusing on showing labels instead of IDs for the entities (Items, Properties, ...) linked in the edit summaries (phab:T388685)
• UI: We continued doing small fixes for dark mode support in the UI (phab:T385039)
• Wikibase REST API: We are continuing the work on the search endpoint (phab:T383126)

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.

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Govdirectory weekly focus country: Philippines
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!

Events

• Upcoming:
  • Kaxabu Wikidata Workshop May 17 at Puli DOC, Nantou
  • Seediq Wikidata Lexeme Workshop May 18 at Puli DOC, Nantou
• Past: Wikimedia Hackathon happened on May 4. Check out the closing showcase that included some Wikidata-related projects: Etherpad (Hackaton 2025)

Press, articles, blog posts, videos

• Blogs
  • GLAM and Wikidata: The "GLAMorous Wikidata" Campaign: In March 2025, Wikimedia Serbia launched a local thematic campaign called GLAMurous Wikidata, focused on improving data about cultural and heritage institutions on Wikidata.
  • Project "Open Topstukken" ("Open Collection Highlights") - Maastricht University and Radboud University: The "Open Topstukken" project is a collaboration between Maastricht University and Radboud University to digitize and publish rare books and manuscripts, with metadata from their Omeka S systems automatically transferred to Wikidata by Wikidata specialists.
  • Wikidata and Research: The programme for the “Wikidata and Research” conference is now available online. Scheduled for 5–6 June 2025 at the University of Florence, this event is convened by a volunteer Scientific Committee in collaboration with Wikimedia Italia and the University of Florence.
• Papers
  • Capacitating Librarians with Wikidata Literacy for Managing Wikipedia Information Resources: Implications to Libraries By Oyighan et. al., (2025)
  • Social Biases in Knowledge Representations of Wikidata separates Global North from Global South By Das et. al., (2025)
  • Automatic Curriculum Cohesion Analysis Based on Knowledge Graphs By Gacek & Adrian (2025).
• Videos
  • African Wiki Women Wikidata training for the gender equality campaign
  • Using Listeria tool to create Wikidata lists from Wikidata
  • Using the Mix'n'match tool to match external datasets to Wikidata items.
  • Connecting the World’s Knowledge with Abstract Wikipedia By Denny Vrandečić

Tool of the week

• Wdactle game -- is a Wikidata version of Redactle! It's a game where you are shown a Wikidata Item with all labels and words redacted and have to figure out what it is. Guessing a word reveals all the places where it is used. Built by Luca Werkmeister during the Wikimedia Hackathon 2025.

Other Noteworthy Stuff

• ⚠️ Wikidata Query Service graph split: As you know Wikidata Query Service was no longer able to handle the complete set of data Wikidata has. To address this the graph in Wikidata Query Service has now been split into a main graph (that continues to be at query.wikidata.org) and a scholarly graph (that is at query-scholarly.wikidata.org). For more details please see Wikidata:SPARQL query service/WDQS graph split.
• Join the Wikidata:Impact stories global campiagn. We're celebrating the amazing Wikidata community - editors, developers, librarians, and creators - and inviting you to share how Wikidata is used. Your story can inspire others and grow the community. Submit yours or nominate a cool project by June 6.

Newest properties and property proposals to review

• Newest General datatypes:
  • ‎third-gender population (number of third-gender people inhabiting the place)
• Newest External identifiers: Encyclopedia of the Serbian National Theatre ID, vlaamsekunstcollectie.be ID, Patrimonio Galego ID, ‎Substack handle, Sport Express football match ID, R-Sport match ID
• New General datatypes property proposals to review:
  • related video (less fitting video, used only because a better alternative is not available. If an appropriate video of the item is available, use P10 instead. Value should not be a generic placeholder.)
  • cosplay of (character(s) that are cosplayed in this image or video)
• New External identifier property proposals to review: RFI station ID (timetables), registration number of japanese invoice system, Jesuit Online Necrology ID, Geographicus-cartographer, Harper's tag, Database of Czech Librarians ID, Open Location Code, CABR-identifier, Onsland-identifier, National Library of Spain Alma ID (BNE v2.0), PC98 Images game ID, Stadtwiki Meißen ID, Rhein-Neckar-Wiki-ID

You can comment on all open property proposals!

Did you know?

• Query examples:
  • All you want to know about The Blue Coats (Q1030833)
  • Birthplace of Colombians in the Public Domain
• Showcase Items: Soir d'été sur la plage de Skagen – l'artiste et sa femme (Q18386245) - painting by Peder Severin Krøyer from 1899
• Showcase Lexemes: Projektion (L494436) - German noun (pro-yek-tsi̯oːn) that can mean "projection", "image display", or "defence mechanism in Psychoanalysis"

Development

• mul language code: We are fixing an issue where Items can't be found by their mul language label or alias (phab:T392058)
• Wikibase REST API: We are working on phrase matching for the simple search (phab:T389011)
• Dark mode: We fixed a color contrast bug with the entity selector when making new statements (phab:T393641)
• Ontology: We’re working on an updated, more complete version of the wikibase.owl ontology file (phab:T371752)

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.

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Govdirectory weekly focus country: Italy
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!

Discussions

• Open request for adminship: THEbotIT 2 - New functional aspect to automatic creation of items describing lexicographical articles of Paulys Realencyclopädie der classischen Altertumswissenschaft (RE). The described topics of an RE article should also link back to the article.

Events

• Upcoming events:
  • On Thursday, 22 May 2025, from 10:00 to 12:00 (CEST), digiS Berlin will offer an online workshop titled "Wikidata for GLAMs." The event is free, open to all, and conducted in German. More information and registration is here.
  • (Italian) Introduction to Wikidata and Wikimedia projects - LM43 May 29, 2025 12:00 PM to 2:00 PM
  • The Wikidata and Sister Projects online event is nearly here! Four days of sessions on the use of Wikidata in the Wikimedia Projects, join us from May 29 - June 1. Register here. See the Program schedule.

Press, articles, blog posts, videos

• Blogs
  • Diff Blog: Spotlight on Wikidata in the WikiLearn newsletter: WikiLearn's May 2025 update highlights how its online courses, including Wikidata 101, are effectively helping Wikimedians develop key skills, reduce edit reversion rates, and foster engagement across multiple language communities.
  • The Meaning Behind Our Place Names - The Open Etymology Map uses Wikidata-linked etymology tags in OpenStreetMap to reveal the origins of place names, offering an interactive way to explore the historical and linguistic roots of streets, towns, and landmarks
• Papers
  • Preprint: Scholia Chemistry: access to chemistry in Wikidata - This study explores Wikidata's role in chemistry, highlighting how thousands of new chemicals were added, how new properties and database links enhance chemical representation, and how Scholia
  • Making an Under-Resourced Language Available on the Wikidata Knowledge Graph: Quechua Language By Huaman et. al., (2025) - This study integrates Quechua lexical data into Wikidata, adding 1,591 lexemes along with senses, forms, and pronunciation audio, demonstrating how Wikidata can support under-resourced languages in AI-driven Knowledge Graphs to promote linguistic diversity and inclusivity.
  • Knowledge-Based Aerospace Engineering - A Systematic Literature Review By Wittenborg et al., (2025) - This study systematically reviews Knowledge-Based Aerospace Engineering, analyzing over 1,000 articles, constructing a knowledge graph mapped to Wikidata, and demonstrating how structured, semantic-based approaches can enhance aerospace design, collaboration, and sustainable aviation
• Videos
  • (Italian) Introduction to Wikidata for archives
  • (Sweden) Stockholm Archipelago Trail OSM Wikidata SDC By Magnus Salgo
  • (German) Instructional video on SPARQL queries in Wikidata By OER4SDI

Tool of the week

• Wikidata-Taxonomy is a Command-line tool and library to extract taxonomies from Wikidata.

Other Noteworthy Stuff

• We are improving and expanding our Help and documentation pages, please tell us what you think: Parser Functions

Newest properties and property proposals to review

• Newest General datatypes
  • third-gender population (number of third-gender people inhabiting the place)
  • context window (maximum length of an input token in the language model)
  • ‎most populous urban area (city or town with the largest population in this area (country, state, county, continent, etc.))
• Newest External identifiers: Encyclopedia of the Serbian National Theatre ID, vlaamsekunstcollectie.be ID, Patrimonio Galego ID, ‎Substack handle, Sport Express football match ID, R-Sport match ID, ‎ComputerLanguage.com definition, Repertorium kleine politieke partijen 1918-1967 (Person), ‎RFI station ID (timetables), Geographicus cartographer ID
• New General datatypes property proposals to review:
  • related video (less fitting video, used only because a better alternative is not available. If an appropriate video of the item is available, use P10 instead. Value should not be a generic placeholder.)
  • cosplay of (character(s) that are cosplayed in this image or video)
  • breed belongs to taxon (taxon to which members of this breed (or these breeds) belong)
  • Reason for no value (qualifier property to be used with statements having the object "no value", given to provide a reason for "no value")
  • over (base field of this vector space, base ring of this module, pair of base rings for this bimodule, base monoidal category of this enriched category, etc.)
  • has WikiProject (WikiProject which has this topic as its main subject)
  • mixing engineer (person responsible for mixing the different sonic elements of a piece of recorded music into a final version of a track)
  • normally caused by (item that normally causes this effect, but that is not necessarily the cause here)
  • criminal motive (verified reasoning behind a crime)
• New External identifier property proposals to review: registration number of japanese invoice system, Jesuit Online Necrology ID, Harper's tag, Database of Czech Librarians ID, Open Location Code, CABR-identifier, Onsland-identifier, National Library of Spain Alma ID (BNE v2.0), PC98 Images game ID, Stadtwiki Meißen ID, Rhein-Neckar-Wiki-ID, R-Sport team ID, WürzburgWiki ID, AW-Wiki ID, Wetzipedia ID, OberpfalzWiki article ID, Tüik village id, viberate.com Artist Id, African Music Library Band ID, Delfi.lv theme ID, ESPN soccer team ID, 15min.lt theme ID, trove.scot ID, Identifiant d'une personne sur PRET19, Židovski biografski leksikon ID, IMDb Interest ID

You can comment on all open property proposals!

Did you know?

• Query examples:
  • Map of pubs in Scotland (source)
  • Data about all 60 members of the European Association for Quality Assurance in Higher Education (source)
• Newest WikiProjects: WikiProject_zelph - WikiProject zelph focuses on integrating a semantic network system with Wikidata to enhance data quality.
• Showcase Items: The Jungle Book (Q16857406) - 2016 film directed by Jon Favreau
• Showcase Lexemes: pukka (L339628) - English adjective (puh-kuh) that can mean "genuine", "highest class", or "complete"

Development

• UI: We are putting the finishing touches on the new search box that will make it easier to search for Properties, Lexemes and EntitySchemas as well (phab:T321543)
• Dark mode: We fixed the last known issues and are getting ready to roll it out
• Mobile statement editing: We are refining prototypes for testing and started technical investigations
• Wikibase REST API: We are continuing the work on simple search, focusing on phrase matching now (phab:T389011)
• Query Service: We are working on a small experiment to show a notification for simple queries that are better run on other APIs (phab:T391264)

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.

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!

Discussions

• New requests for permissions/Bot: William Avery Bot 12 - Task(s): Add PubMed publication ID(P698) to items that lack it, but have DOI(P356), which allows it to be looked up using the PubMed API.
• Talk: Wikidata Identifiers (No value for missing Ids): about how to indicate that a certain entity is absent in a given database

Events

• Upcoming events:
  • Wikidata and Sister Projects
    During 4 half-days of sessions showcasing and showing how Wikidata supports and is integrated to the other Wikimedia projects
    From Thursday, May 29 from 16:00 UTC to Sunday, June 1 13:30 UTC.
    Registration link - Program - Questions? (Talk page)

Press, articles, blog posts, videos

• Blogs
  • Taiwan Street-view Expedition (Huwei and Tuku, Yunlin, Taiwan) - joint OSM and Wikidata activity
• Papers
  • (Italian) Termini, dati e collegamenti: ‘conversazioni’ tra il Thesaurus del Nuovo soggettario e Wikidata: This study is about the history of the cooperation between the Thesaurus del Nuovo soggettario (the main thesaurus used by Italian libraries for subject indexing) and Wikimedia projects, initially Wikipedia and now mainly Wikidata
  • WikiDBGraph: Large-Scale Database Graph of Wikidata for Collaborative Learning By Wu et al., (2025) — This study introduces WikiDBGraph, a network of 100,000 linked databases from Wikidata, using 17 million connections to improve AI learning and reveal challenges in handling interconnected data.
  • Filling in the Blanks? A Systematic Review and Theoretical Conceptualisation for Measuring WikiData Content Gaps By Ripoll et al., (2025) – The paper systematically reviews content gaps in Wikidata, proposing a typology of missing data and a framework to measure these gaps, highlighting their impact on knowledge quality and completeness.
  • AI in Data Management and Analysis By Haber et al., (2025) – This paper explores how AI streamlines academic data tasks like cleaning and analysis, whike tools like Google DataPrep, Airtable and Wikidata help researchers, but human oversight is key to maintaining accuracy and ethics in research.
• Videos
  • Using PetScan to create lists from Wikipedia and Wikidata By Tamsin Braisher (Dr Thneed).
  • (Spanish) Connecting Collections: Wikidata as a Bridge between Museums and Communities By Museo de los Museos and Carla Toro.

Tool of the week

• Wikidata Toolkit The Wikidata Toolkit is an open-source Java library for using data from Wikidata and other Wikibase sites. Its main goal is to make it easy for external developers to take advantage of this data in their own applications.

Other Noteworthy Stuff

• A discussion on Meta about a very delicate issue for the development of Abstract Wikipedia is now open: where to store the abstract content that will be developed through functions from Wikifunctions and data from Wikidata. Some of the hypothesis involve Wikidata. You can read the various hypothesis and have your say at Abstract Wikipedia/Location of Abstract Content.

Newest properties and property proposals to review

• Newest properties:
  • General datatypes: none
  • External identifiers: Geographicus cartographer ID, ‎Wikibase of Czech Librarians ID, Jesuit Online Necrology ID, Ons Land ID, ‎VejinBooks author ID, ‎PC98 Images game ID, Rhein-Neckar-Wiki ID, CvLAC ID, ‎Stadtwiki Meißen ID, ‎WürzburgWiki ID, Wetzipedia ID, AW-Wiki ID, ‎Tüik village ID
• New property proposals to review:
  • General datatypes:
    • LSF rating (Indonesia film classification administered by the Indonesian Film Censorship Board)
    • image of cosplay (cosplay that depicts this character or person)
    • Classificazione Guizzi degli strumenti musicali (Guizzi's classification system of musical instruments)
    • name translation (translation into native language)
  • External identifiers: Concertzender ID, MCW-PL article ID, Polska Biblioteka Muzyczna PBM, norsk soldatregister person ID, Databank verkiezingsuitslagen, TNT Sports soccer team ID, NHK Archives Portal Broadcasting History ID, Lithuanian lake ID, Sierra Wiki article ID, Fondazione Ragghianti Fototeca image ID, archive creator archieven.nl

You can comment on all open property proposals!

Did you know?

• Query examples: Exemplars of the Magna Carta (source)
• Newest WikiProjects: Revitalizing UK History- A wikiproject with the aim of enriching UK historical figures.
• Showcase Items:The BFG (Q19689203) - 2016 film by Steven Spielberg
• Showcase Lexemes: trucco (L580449) - Italian noun (ˈtruk.ko) meaning "deceptive ploy", "makeup", or "strategic maneuver"

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Govdirectory weekly focus country:
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!

Discussions

• New requests for permissions/Bot: Wikidata Translation Bot - task/s: Automate translation of Item Labels and Descriptions across supported languages and submit them using the official Wikidata API.
• New request for comments: Mass-editing policy
• Closed request for comments:
  • Rename PeakFinder ID (P3770) - Property was renamed.
  • Domain name as data - property domain name (P13337) was created.

Events

• Upcoming events:
  • New Linked Data for Libraries LD4 Wikidata Affinity Group project series! We have our next LD4 Wikidata Affinity Group event series on the Wikidata Graph Split project. Our first event will include guests from the Wikidata Search team to discuss the recent graph split project. Join us Tuesday, June 3, 2025 at 9am PT/ 12pm ET/ 16:00 UTC / 6pm CEST (Time zone converter). Please see our project page for more information and Zoom links.
  • OpenStreetMap X Wikidata Meetup #77 June 9 Time: 19:30-21:00 UTC+8 at Mozilla Community Space Taipei (Q61752245)
  • Revitalizing UK History #June 7 Time 16:00 UTC Revitalizing UK History
• Just missed it?
  • Wikidata and Sister Projects: full day videos and presentation slides are being made available on the program page.
  • Coordinate Me 2025, the contest to add geographic coordinates (P625) for countries with low representation has ended. Who will be declared winner?

Press, articles, blog posts, videos

• Blogs
  • Wikidata promotes Sister Projects through interwiki links SLUB Open Science Lab writer Jens Bemme has put together a comprehensive article covering the recent online event and many examples of Wikidata being used.
• Papers
  • MAKIEVAL: A Multilingual Automatic Wikidata-based Framework for Cultural Awareness Evaluation for LLMs By Zhao et al., (2025) - This paper presents MAKIEVAL, a framework for evaluating cultural awareness in LLMs across languages, showing that models exhibit stronger cultural awareness when prompted in English.
  • Conversational Lexicography: Querying Lexicographic Data on Knowledge Graphs with SPARQL through Natural Language By Sennrich & Ahmadi (2025) - This paper develops a natural language interface for retrieving lexicographic data from Wikidata, creating a taxonomy and dataset, and evaluating language models, with GPT-3.5-Turbo showing the best generalization despite scalability challenges.
  • UAQFact: Evaluating Factual Knowledge Utilization of LLMs on Unanswerable Questions By Tan et al., (2025) - This paper introduces UAQFact, a bilingual dataset for evaluating LLMs on unanswerable questions, showing that models struggle to fully utilize stored factual knowledge even with external support.
• Videos
  • Listful Thinking:Using Wikidata to support editing workflows By Dr Thneed
  • (French) Using Wikidata to gain visibility on the internet? By Nelly Darbois
  • How to create a SPARQL Query to search Wikidata Item Description By vlogize
  • (Spanish) Wikimedia Commons and Wikidata tutorial for the subject of Virreinal Art By Luis Alvaz
  • Wikidata and Sister Projects (YouTube Playlist) - full daily recordings from the Wikidata and Sister Projects event.

Tool of the week

• Wikidata Qrank is a ranking signal for Wikidata entities. It gets computed by aggregating page view statistics for Wikipedia, Wikitravel, Wikibooks, Wikispecies and other Wikimedia projects. For example, according to the QRank signal, the fictional character Pippi Longstocking ranks lower than Harry Potter, but still much higher than the obscure Äffle & Pferdle.

Other Noteworthy Stuff

• Should I watch this? - Enter a film title or IMDb ID to get a recommendation, uses data from Wikidata.
• Job Openings - want to help shape the future of Wikidata or Wikibase?
  • Software Engineer (Wikidata)
  • Staff Engineer (Wikidata)
  • UX Designer (Wikibase Cloud)

Newest properties and property proposals to review

• Newest properties:
  • General datatypes:
    • ‎reason for no value (qualifier property to be used with statements having the object "no value", given to provide a reason for "no value")
    • cosplay of (characters that are cosplayed in this image or video)
  • External identifiers: espn.com soccer team ID, ‎Yale LUX ID, Židovski biografski leksikon ID, verkiezingsuitslagen database ID, Norwegian soldier register 1940 ID, Polish Music Library PBM ID, ‎MCW-PL article ID
• New property proposals to review:
  • General datatypes:
    • UK Mutual Registration Number (identifier for an organisation in the UK's Mutuals Public Register)
  • External identifiers: Scilit organization ID, paleo.ru person ID, identifiant Assemblée nationale du Québec non-élu, ThinkyGames genre ID, Letopis of MSU person ID, MAI person ID, istina.msu.ru journal ID, MultimediaWiki page ID, Submarine Cable Map ID, Nederlands Film Festival person ID, CTS URN, Scientific heritage of Russia person ID, Virtual necropolis of Ukrainian emigration person ID, Russian Cycling Federation person ID, The Memories of the Gulag and Their Authors person ID, Yandex Books author ID, Theatre museums of Russia person ID, Reabilitovani istoriyeyu person ID, CARLA ID, Boosty author ID

You can comment on all open property proposals!

Did you know?

• Query examples:
  • All lexemes in Minangkabau (sorted chronologically by their entry time)
  • Film Directors who are still alive
• Schema examples:
• Newest WikiProjects: WikiProject WordNet
• WikiProject Highlights:
• Newest database reports:list of the most linked category page items
• Showcase Items: Captain America: Civil War (Q18407657) - 22016 film by Anthony and Joe Russo
• Showcase Lexemes: (L1250690) spegnere (L1250690) - Italian verb "switch off" or "to die"

Development

• Vector 2022 skin: We enabled dark mode for Items, Properties and Lexemes on Wikidata (phab:T389330)
• Mobile statement editing: We are continuing with the technical investigation.
• Diffs: We merged a volunteer patch by Matěj Suchánek to format quantity diffs a bit more sensibly (phab:T394585)
• Search in the UI: We enabled the new search on https://test.wikidata.org and https://wikidata.beta.wmflabs.org. It lets you easily search in other entity types as well now, not just Items. Please give it a try.
• Wikibase REST API: We are continuing the work on integrating simple search, specifically phrase matching (phab:T389011)
• Query Service: We are working on an experiment to add a small dialog to inform people about alternative access methods for very simple queries that don't require SPARQL (phab:T391261)

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.

Weekly Tasks

• Add labels, in your own language(s), for the new properties listed above.
• Contribute to the showcase Item and Lexeme above.
• Govdirectory weekly focus country:
• Summarize your WikiProject's ongoing activities in one or two sentences.
• 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!