• Events
  • Past: Wikidata - HackaLOD Online sessions ( replay in Dutch)
  • Upcoming: SPARQL queries live on Twitch and in French by Vigneron, April 20 at 18:00 CEST
  • Upcoming: Next Linked Data for Libraries LD4 Wikidata Affinity Group call: Alexandra Wong on experiences and workflows for linking archival collections to Wikidata. There will also be a recap of insights from the recent Canadian archivists’ panel on Wikidata by the University and College Archives Special Interest Section (UCASIS) of the Association of Canadian Archivists (ACA). Agenda, April 20
  • Upcoming: Wikipedia Weekley Network - Biodiversity edition: iNaturalist place ID YouTube, Facebook, April 23
  • Upcoming: LIVE Wikidata editing #41 - YouTube, Facebook, April 24
  • Upcoming: 25 April - WikidataDays Sessions II, an online editing session dedicated to democracy and political parties, coinciding with the celebration of Freedom Day.
  • Upcoming: Online Wikidata meetup in Swedish #59, April 25

• Press, articles, blog posts, videos
  • Blogs
    • Wikibase: the Software for Open Data projects
  • Videos
    • Structured Data on Commons explained, with Andrew Lih, John Cummings and Pharos ( Youtube)
    • Discovering history's notable people (audio). Using Wikidata and Wikipedia as the backbone, this project "construct[s] a new dataset of more than seven million notable individuals across recorded human history".
    • LIVE Wikidata editing #40 - YouTube, Facebook
    • Adding information through EntitySchemas to Wikidata Andra Waagmeester and Jose Labra
    • SPARQL query requests around lexicography mapping] by VIGNERON - YouTube
    • Fast Linking of Mathematical Wikidata Entities in Wikipedia Articles Using Annotation Recommendation - YouTube
    • Wiki2Prop: A Multimodal Approach for Predicting Wikidata Properties from Wikipedia - YouTube
    • Wikidata Lab XXVII: WikiProject Brazilian Laws - YouTube
    • Librarians and Wikidata. A short tour - YouTube

• Tool of the week
  • User:So9q/Gadget-CreateNewEntity.js is a userscript to add a "create new item" link in the dropdown menu for when you want to * add an item to a property, but the item does not exist. (recently modified to support lexemes).

• Other Noteworthy Stuff
  • Humaniki March Update: Public Launch of Alpha Release
  • Another history of Denelezh
  • Wikidata Lexeme Forms no longer automatically redirects you to login, so you can now use edit mode to view the forms of a lexeme in the “right” order. Here is an example.

• Did you know?
  • Newest properties:
    • General datatypes: pH value, introduced on, ALA-LC romanization for Ukrainian
    • External identifiers: Generals of World War II ID, La Réunion des Livres ID, Humanitāro zinātņu virtuālā enciklopēdija concept ID, Humanitāro zinātņu virtuālā enciklopēdija person ID, Encyclopedia of Jewish Women ID, Urban Archive ID, GCD publisher ID, Letecká badatelna accident ID, Proveana ID, KATOTTH ID, La Fenice Theatre in Venice person ID, Politiklexikon ID, Europalexikon ID, National Inventory of Dams ID, Wissens-Aggregator Mittelalter und Frühe Neuzeit ID, Indigenous Lands in Brazil ID, Virginia House of Delegates ID, CAOI person ID, Encyklopedie antropologie ID, Our Campaigns race ID, Olympedia affiliations ID, ANPI place numeric ID, National Provider Identifier, Dicionário Histórico-Biográfico Brasileiro ID, Brapci author ID, Wikiroute ID, Biographia Benedictina ID, Periodical ID in a database of the Ministry of Culture of the Czech Republic, National Database of Laws and Regulations ID, Russians of Latvia ID, Rekhta author ID, Washington Rare Plant Field Guide ID, DzygaMDB film ID
  • New property proposals to review:
    • General datatypes: translator name string, scope note, LIMA media artist ID, CofE archives ID, CofE archives name ID, CofE archives place ID, has artist file in, term in higher taxon, accessibility statement URL, Hotel des Causses
    • External identifiers: Dialnet thesis ID, IAU member ID, MileSplit ID, Australian Thesaurus of Education Descriptors ID, Malaysian school code, synonymer.se Swedish synonym ID, Prague City Gallery inventory number in Art for the City, Yukon Archives authority record ID, Cimiterium ID, Encyclopedia of Korean Culture ID, HERO-tunniste, Smithsonian Ark ID, Oregon Poetic Voices poet ID, J! Archive player ID, Gender Glossar ID, Beirut Arab University's Libraries Title ID, music austria ID, identifiant Localisation - Joconde du Service des musées de France, identifiant techniques - Joconde du Service des musées de France, identifiant utilisation - Joconde du Service des musées de France, identifiant représentation - Joconde du Service des musées de France, NC Highway Historical Marker Program ID
  • Query examples:
    • Artists on Spotify that lack a Spotify Artist ID (P1902) on Wikidata ( Source)
    • Timeline of the discovery of elements in the periodic table ( Source)
    • 19th-century depictions of sunflowers ( Source)
    • Czech art collections by size ( Source)
  • Newest WikiProjects: Cyprus

• Development
  • Finished work on the support for editing statements on Senses on Lexemes via the API ( phab:T199896)
  • Got all feature work done on the first version of the Query Builder. It is now awaiting security review.
  • Statements linking to deleted Lexemes now indicate this similar to statements linking to deleted Items ( phab:T277089)
  • Fixing a bug with misaligned grammatical features after an OOUI update ( phab:T278522)
  • Finished work on the small tools to get the number of constraints violations and ORES scores for a list of Items. Will publish soon.
  • Did interviews with a few people about how they work around lexicographical data
  • Selected focus languages for continued work on lexicographical data and Abstract Wikipedia together with Abstract Wikipedia team. The selected ones are Hausa, Igbo, Bengali, Malayalam and Dagbani. You can read more about it in the Abstract Wikipedia newsletter.
  • Gave input to WMF search platform team for a survey draft around the query service in order to better understand how to move forward with improvements

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.

• Monthly Tasks
  • 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!

• Discussions
  • Other: Scientific papers' labels in other languages than English
• Events
  • Upcoming: Wikidata/Wikibase office hour, 16:00 UTC on Wednesday 28th April 2021 (18:00 Berlin time), on the Wikidata Telegram channel.
  • Upcoming: The next Wikibase live session is 16:00 UTC on Thursday 29th April 2021 (18:00 Berlin time). Everyone is welcome to come and share out about your project or what you're working on around Wikibase.
  • Upcoming: OpenStreetMap TW x Wikidata Taiwan Taipei (Q1867) Meetup 2021-05-10
  • COSCUP 2021 CFP is now open
  • Upcoming: LIVE Wikidata editing #42 - YouTube, Facebook, May 1
  • Upcoming: Online Wikidata meetup in Swedish #60, May 2

• Press, articles, blog posts, videos
  • User:Lucas Werkmeister/P642 considered harmful
  • New extension: Wikibase EDTF by Professional.Wiki ( Demo video)
  • Videos
    • OpenStreetMap x Wikidata Meetup #27 - Wikidata Lexeme Teaching - LBRY, Odysee
    • (Workshop) Introduction to Wikidata by Lucie Aimée Kaffee
    • Graphic Possibilities Comics Wikidata Tutorial
    • SPARQL tutorial (in Portuguese)
    • An Introduction to Wikidata (in Malayalam)
    • Wikidata tutorials in Albanian ( 1, 2, 3, 4)
    • SPARQL #Wikidata back to basics (in French)
    • (Workshop) #1Lib1Ref​ on Wikidata
    • Adding an article to Wikidata by DOI (in Portuguese) - YouTube
    • LIVE Wikidata editing #41 - YouTube, Facebook
    • Working with Zotero on WiKidata (in Italian) - YouTube

• Tool of the week
  • User:So9q/AddNewLexemeMenu.js is a userscript that adds a section to the sidebar with links for creating new lexemes.

• Other Noteworthy Stuff
  • WMDE built two tools to help editors get a better understanding of the quality of Wikidata's data in a specific area of interest. Try them out and let us know what you think.
    • Item Quality Evaluator
    • Constraint Violation Checker
  • Collaborative translation of Cita is now available on translatewiki.net. Cita is a Wikidata addon that adds citations metadata support to Zotero, using cites work (P2860) information from Wikidata, and enabling users to easily contribute missing data. Cita is currently under development with a WikiCite grant from the Wikimedia Foundation, and presentation workshops will be held on May 27th (Spanish) and May 31st (English). More info and pre-registration here.
  • RaiseWikibase is a tool for speeding up multilingual knowledge graph construction with Wikibase. Among other features, it can be utilized to create a mini Wikibase instance with Wikidata properties in a few minutes.
  • SPARQL-Blockly is a tool to visualise and construct SPARQL queries as visual blocks ( Wikidata example)
  • Wikibase/FAQ is a living document of a list of frequently asked questions about Wikibase. Community members are welcome to contribute to it.
  • RIP Liz Marley
• Did you know?
  • Newest properties:
    • General datatypes: ALA-LC romanization for Ukrainian
    • External identifiers: ANPI place numeric ID, National Provider Identifier, Dicionário Histórico-Biográfico Brasileiro ID, Brapci author ID, Wikiroute ID, Biographia Benedictina ID, Periodical ID in a database of the Ministry of Culture of the Czech Republic, National Database of Laws and Regulations ID, Russians of Latvia ID, Rekhta author ID, Washington Rare Plant Field Guide ID, DzygaMDB film ID, Bioguiden movie theater ID, MovieMeter person ID, Biblioteca Digital Curt Nimuendajú ID, SonyLIV show ID, Gyldendals Teaterleksikon ID, IAU member ID, LIMA media artist ID, Singers.com ID, HistoryLink essay number, inventory number of a work of art in the Art for the City database, Cimiterium ID, Smithsonian Ark ID, Oregon Poetic Voices poet ID, Encyclopedia of Korean Culture ID, Malaysian school code, Trap Danmark ID, Finna ID, Berliner Bezirkslexikon: Mitte ID, Berliner Bezirkslexikon: Charlottenburg-Wilmersdorf ID, Berliner Bezirkslexikon: Friedrichshain-Kreuzberg ID, Catalogue of the General State Archives ID, CofE archives ID
  • New property proposals to review:
    • General datatypes: accessibility statement URL, symbol represents, main upper course, Political Graveyard geography ID, diel cycle, Taxon holotype location, Smithsonian trinomial prefix, Digital Atlas of Idaho taxon ID, hardware threading standard
    • External identifiers: music austria ID, identifiant Localisation - Joconde du Service des musées de France, identifiant utilisation - Joconde du Service des musées de France, identifiant représentation - Joconde du Service des musées de France, NC Highway Historical Marker Program ID, Forbes (Russia) profile ID, Indiana State Historical Marker Program ID, Digital DISCI ID, The Draft Review ID 2, Reallexikon zur Deutschen Kunstgeschichte ID, Enzyklopädie des europäischen Ostens ID, National Historical Museums of Sweden agent ID, IUCN Green List ID, Gardens of the Roman Empire ID, Historic Hawai‘i Foundation ID, UNITER Award person ID, ID právnické osoby vedené Ministerstvem kultury ČR, CEV Team-ID, Anime Filler List show id, CEV Coach-ID, memento.wien person ID, MyBIS ID, Ultime lettere di condannati a morte e di deportati della Resistenza italiana person ID, am.hayazg.info ID, The Criterion Collection film ID, Digital Library of Armenian Literature author ID, Kielitoimiston sanakirja ID, Gopo Award ID, Director Identification Number, TheTVDB character ID, JECFA number, Norges Fotballforbund klubb ID, representatives1821.gr ID, Parliament of Romania person ID, Apple TV movie ID
  • Query examples:
    • Timeline of road vehicles crashing into Montague Street Bridge, Melbourne, Victoria, Australia
    • Coal-fired power plants in Germany ( Source)
    • Average lifespan by profession (Select the desired columns and get labels) ( Source)
    • The number of natural disasters in various countries since 1970 ( Source)
    • Heads of states/governments whose cause of death was a military casualty ( Source)
    • List of French stations sorted by number of tracks ( Source)
    • Relationship of the different Corona viruses ( Source)
    • Map of about one third of the ancient trees in Bulgaria ( Source)
    • Lexemes without statements or senses by language
  • Newest database reports: Doctor Who companions

• Development
  • wbeditentity now supports editing statements on Senses ( phab:T199896)
  • We added syntax highlighting for viewing Entity Schema pages. There is not syntax highlighting for editing of Entity Schemas yet. ( phab:T238831)
  • Improved the way Lua deals with redirects ( phab:T238831)
  • Worked on making it possible to add a title to the top of a query visualization via a comment in the SPARQL code ( phab:T225883)
  • Discussed how to get persistent storage of constraint violations unstuck as this is a prerequisite to making it easier to analyze and query constraint violations ( phab:T214362)
  • Discussed a high-level plan for how to move forward with checking Wikidata's data against 3rd-party databases
  • Finished work on version 1 of the Query Builder. Not it is awaiting security review before we can deploy it.

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.

• Monthly Tasks
  • 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.
  • Take a list of cities in your country, add {{ Item documentation}} in the talk page and have fun looking at people born in this place ordered by number of sitelinks. You may have some surprises!
  • Help write the next summary!

• Events
  • Past: Wikidata+Wikibase office hour happened on April 28th. See notes here (English).
  • Upcoming: International Museum Day, May 3-18, including a Wikidata competition
  • Upcoming: Basics about SPARQL queries live on Twitch and in French by Vigneron, May 4 at 18:00 CEST
  • Upcoming: Scholia - Open Bibliometrics for Researchers webinar on Zoom, May 5 at 10h30 UTC (free, but registration needed)
  • Upcoming: LIVE Wikidata editing #42 - YouTube, Facebook, May 8
  • Upcoming: Online Wikidata meetup in Swedish #61, May 9
  • Upcoming: the next Wikidata bug triage hour will take place on May 17th on the topic of quality constraints
  • Upcoming: Wikimedia Hackathon, May 22-23. The call for proposals for the program is now open until May 9th for the main track (May 19th for the open rooms) More information

• Press, articles, blog posts, videos
  • Blogs
    • WBStack Infrastructure - current deployment and architecture of wbstack.com
  • Videos
    • Mix'n'match workshop in (Italian) - YouTube
    • SPARQL #Wikidata back to basics (in French) - YouTube
    • Wikidata Lab XXVIII: Metadata applications (a technical training on the process of metadata applications development) - YouTube
    • Upload workshop (in Dutch) - datacleaning, reconciliation, upload, embed metadata with exiftool & Upload images with Pattypan and link with Wikidata.
    • LIVE Wikidata editing #42 - YouTube, Facebook
    • Overview of all LIVE Wikidata editing episodes including topics and tools used to make search easier

• Tool of the week
  • Wikinegata is a platform for browsing interesting negations about Wikidata entities. ( Overview video)

• Other Noteworthy Stuff
  • Template:Item classification and Template:Item documentation now include more generic queries for classes: it include the number of subclasses, the number of instances, the number of instances by class, the list of instances and the list of most frequent properties for items of this class.
  • TP organization now includes generic queries for items of class school.
  • Over 3,000,000 usages of taxon name (P225)

• Did you know?
  • Newest properties:
    • General datatypes: field of usage, artist files at, accessibility statement URL, degrees day, Beirut Arab University's Libraries title ID
    • External identifiers: J! Archive player ID, CofE archives name ID, HERO ID, GLEI RAL, Archdiocese of Liverpool parish ID, Yukon Archives authority record ID, CofE archives place ID, NC Highway Historical Marker Program ID, National Historical Museums of Sweden agent ID, Australian Thesaurus of Education Descriptors ID, Enzyklopädie des europäischen Ostens ID, Reallexikon zur Deutschen Kunstgeschichte ID, Oregon Flora Image Project ID, Digital DISCI ID
  • New property proposals to review:
    • General datatypes: Clubhouse account, Danmarks Tekniske Kulturarv book ID, hat Gedenkort, Secondary Archive artist ID, date of probate
    • External identifiers: LMIC musician ID, DC Books store book ID, ctext data entity ID, SAIA authority ID, AdServio school ID, Apple Music label ID, MacArthur Fellows Program ID, Encyclopedia of China Online Database ID, DHLE, APA Dictionary of Psychology entry, Scholarpedia article ID, Biology Online Biology Dictionary entry, Biblioteca di Santa Sabina ID, Biblioteche della Custodia di Terra Santa a Gerusalemme ID, Universal equine life number, Auschwitz Prisoners Database ID, Nevada SHPO marker ID, Sigla ID, Bing Entity ID, light characteristic, Lexikon der österreichischen Provenienzforschung ID, Identificativo Polo bibliografico della Ricerca, LTit person ID
  • Query examples:
    • List number of albums (Q482994) by language (P407) in descending order ( Source)
    • Map of Scottish council areas ( Source)
    • Databases with a SPARQL endpoint, sorted by number of ids known by Wikidata ( Source)
    • List of actors and actresses who died during 2020 ( Source)
  • Newest database reports: new screenwriters

• Development
  • Entity Schemas now have syntax highlighting for viewing ( phab:T238831, example)
  • Reviewing a patch that will make it possible to use templates on d:MediaWiki:Wikibase-SortedProperties. This will for example make it possible to show labels automatically for each Property ID. Thanks, Luca! ( phab:T280787)
  • Evaluated the interviews and other research we did around improvements for lexicographical data
  • Worked on/fixed small remaining bugs in the Query Builder ( phab:T280505, phab:T279928, phab:T279945)
  • Continuing to work on evaluating and addressing scaling issues of the Query Service
  • Provided input to a research team working on a potential new and improved Property Suggester
  • Wikibase: we are completing the final tasks necessary to prepare the Wikibase Spring release and expect to publish new versions of the tarball and Docker images on or before May 15, 2021

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.

• Monthly Tasks
  • Add labels, in your own language(s), for the new properties listed above.
  • Comment on property proposals: all open proposals
  • Suggested and open tasks!
  • 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!