• Discussions:
  • New request for comments: Handle genealogical information, Sort identifiers

• Press, articles, blog posts
  • Data Roundtripping: a new frontier for GLAM-Wiki collaborations, by Sandra Fauconnier
  • Leveraging open data at the National Library of Wales, by Jason Evans
  • Context-aware Entity Linking with Attentive Neural Networks on Wikidata Knowledge Graph, Isaiah Onando Mulang et al. (on Arxiv)
  • Celebrating FactGrid’s Q100000: Conrad Alexandre Gérard
  • Descartes, social networks and popular culture: An excursion into digital scholarship
  • How to select your Christmas movie using SPARQL and Wikidata

• Tool of the week
  • The revised version of the very powerful PetScan offers to edit or create items based on Wikipedia categories, search, SPARQL, links with filters by label or properties

• Other Noteworthy Stuff
  • New tool: Dwynwen, adapted from Crotos, provides users with a search interface designed specifically for artworks and other visual digital content from Commons, using Wikidata.
  • MichaelSchoenitzer is looking for co-maintainers for the tool MachtSinn and the Lexeme Python library
  • We now have Q80000000
  • Wikimedia Deutschland is looking for a UX designer to work on Wikidata and Wikibase as well as a technical writer

• Did you know?
  • Newest properties:
    • General datatypes: litter size, legislative committee
    • External identifiers: Fossilworks ID for journal article, Wikispore ID, TLFi ID, The Encyclopedia of Oklahoma History and Culture ID, Littré ID, PlanetMath ID, GUI number
  • New property proposals to review:
    • General datatypes: filename in archive, Microworld ID, Position with respect to the noun, network bands, Viewpoint heading, egg incubation period, author's wikimedia username, unit of measurement, type of age limit, attested as, provides data, recipient, external type, Amino community ID, used in phrase, type of external page
    • External identifiers: Australian National Maritime Museum ID, Australian National Maritime Museum person ID, The Video Games Museum system ID, Vikidia article, National Aviation Hall of Fame person ID, RationalWiki ID, The Video Games Museum game ID, CEEB K-12 school code, D-MSX ID, Nomenclature for Museum Cataloging, VGMPF ID, Games Database system ID, ICD-11 ID (foundation), AdoroCinema, Games Database game ID, Games Database developer ID, LFE player ID, PersonalData.IO ID, Games Database publisher ID, The Digital Local Culture Encyclopedia of Korea ID, textove.com, textove.com Song ID, kino-teatr.ru person ID, dovidka.com.ua person ID, Russian PFL player ID, Ten-Bruggencatenummer, J-GLOBAL ID, The Good Old Days ID, AuthenticusID, Ciência ID, ExoticA ID, Decine21 person ID, Identifier for a resource held by the Smithsonian Institution, Macintosh Garden game ID, UCUM code, PragerU presenter ID, Ukrainica ID, Macintosh Repository ID, LaunchBox Games Database platform ID
  • Query examples:
    • Map showing objects named after a person represented in Europeana
    • Locations where paintings were made ( source)
    • Swedish citizens who died in 1949 and whose works will enter the public domain on 1 January 2020 with profession and image, ordered by number of Wikimedia articles ( source)
    • Oldest subways ( source)
    • Popes who were children of other popes ( source)
    • Colorful flags ( source)

• Development
  • Worked on better error dialogues for the Wikidata Bridge
  • Investigated and fixed labels for some Properties not being shown ( phabricator:T237984)
  • Continued working on the new database tables that replace wb_terms
  • Expanded documentation for 3rd party Wikibase installs
  • Continued working on making sure components in different areas of Wikibase can easily be shared to make development easier ( phabricator:T240329)
  • Enjoying the holidays. Hope so are you :)

• 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!

• Events
  • New: you can Wikidata-related events in the calendar of Wikimedia Space
  • Upcoming: next Wikidata office hour, January 22nd, 18:00 (UTC+1), on the Wikidata Telegram channel
  • Upcoming: Wikidata workshop in Grenoble, France, January 16th

• Tool of the week
  • Resolver allows you to quickly find an item based on a property+value string pair. It is especially useful for checking whether an external identifier such as a VIAF ID (P214) or Getty AAT ID (P1014) is already in use in Wikidata.

• Did you know?
  • Newest properties:
    • General datatypes: copyright status as a creator, serving temperature, egg incubation period, member of military unit
    • External identifiers: ZX81 Collection publisher ID, ZX81 Collection ID, DAF ID, Computer Emuzone game ID, console music history ID, Czech cohesion region ID, Czech territorial region ID, deviantArt person ID, EEPS ID, garaph.info game ID, garaph.info group ID, IDFA film ID, Lithuanian Football Encyclopedia player ID, Microworld ID, Mille Anni di Scienza in Italia ID, Movie Walker person ID, Natural Product Atlas ID, NES Cart Database ID, NIPS Proceedings author ID, Nomenclature for Museum Cataloging, Nonfiction ID, portable music history ID, Prague territorial district ID, Projekt Gutenberg-DE ID, PS photographer ID, ScreenScraper company ID, ScreenScraper game ID, ScreenScraper platform ID, SPIE profile ID, The Video Games Museum system ID, Tubi movie ID, Tubi series ID, VBProfiles person ID, Archives Portal Europe ID, DES ID, Bob ID, Australian National Maritime Museum object ID, Australian National Maritime Museum person ID, PersonalData.IO ID, Atlas Obscura identifier, The Digital Local Culture Encyclopedia of Korea ID, The Good Old Days ID, RationalWiki ID, SSNE person ID, AdoroCinema film ID, Museum of Modern Art exhibition ID
  • New property proposals to review:
    • General datatypes: literary form, HASC, Stairway To Hell ID, number of reviews or ratings, armament used, equipment used
    • External identifiers: bauhaus.community, LaunchBox Games Database game ID, OpenBibArt ID, LaunchBox Games Database developer ID, Saregama artist ID, openSUSE package, LaunchBox Games Database publisher ID, Orthodox Wiki ID, Wien Geschichte Wiki ID, What is the Apple IIGS? ID, BookBrainz work ID, NMVW id, David Wojnarowicz Knowledge Base ID, FandangoNow ID, CPCWiki ID, Sarvavijnanakosam ID, Punjabipedia ID, Open Churches ID, Apple IIGS France ID
  • Query examples:
    • Horses sorted by age of death ( source)
    • Affiliates of the USA organization Peace Action ( source)
    • 100 random paintings related to Haarlem ( source)
    • Timeline of adaptations of Little Women and actresses who played Jo's character ( source)
    • Indian people whose work is entering public domain in 2020 ( source)

• 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!

• Events
  • Registration for the Wikimedia Hackathon in Tirana (May 9-11) opened
  • Upcoming: Next Linked Data for Libraries LD4 Wikidata Affinity Group call: getting started in Wikidata, labels, and aliases, 14 January. Agenda

• Press, articles, blog posts
  • Report of Wiki Techstorm 2019 by Jsamwrites
  • Aberdeen Plaques – Part Two: Visualisations, calculations, and analysis using wikidata by Ian Watt
  • Overview of Wikidata gadgets and user scripts - slides from LD4 Wikidata Affinity Group Meetings
  • Wikipedia Rolls Out Our Research on Providing Semantic Information for Mathematical Formulae - this feature uses Wikidata

• Tool of the week
  • Tabernacle creates a tabular view of a set of data items from a SPARQL query, PagePile list, or manual list of items. You can select which languages and properties to display. The tool lets you drag-and-drop statements from one item to another, and manually add or edit statements without leaving the page. Tabernacle is great for harmonizing a set of related items or identifying items that need their labels and descriptions translated.

• Other Noteworthy Stuff
  • You can test a new feature highlighting mismatched references
  • The next Weekly Summary (January 20) will be the issue #400. Please help us collecting interesting Wikidata-related facts around the number 400!

• Did you know?
  • Newest properties:
    • General datatypes: exonerated of, Commons category for ship name, heading, filename in archive
    • External identifiers: Russian PFL player ID, J-GLOBAL ID, LaunchBox Games Database developer ID, LaunchBox Games Database game ID, Époques ID, openSUSE package, Ten-Bruggencatenummer, DLE RAE ID, NTIS accession number, PubAg ID, Games Database developer ID
  • New property proposals to review:
    • General datatypes: Beta Masaheft ID, ordered by, university of the third age, period of lactation, position, grape variety, merged into, distribution map of taxon
    • External identifiers: Ogólnopolska Baza Kolejowa - stacja ID, Livelib.ru person ID, ScummVM wiki ID, Instituto Moreira Salles ID, Arcade PCB database game ID, Cambridge Encyclopedia of Anthropology ID, eu-football team ID, Museen in OÖ ID, Voetbal International player ID, Museums in Salzburg (AT) ID, C64.COM ID, Museen in Burgenland (AT) ID, FlashScore.com team ID, Soccerdonna team ID, c64games.de ID, Museums in Austria Code, Canmore thesaurus ID, The Cutting Room Floor ID, NPDRIM record ID, EFIS person ID, coinop.org game ID, EFIS film ID, EFIS filmmaker ID, EFIS film festival ID, WeChangEd ID, marterl.at ID
  • Query examples:
    • Locations depicted on album covers
    • Forts and heritage-scheduled sections of the Antonine Wall in Scotland ( source)
    • Number of Lexemes including recordings from Lingua Libre by language ( source)

• Development
  • More work on finishing the migration of wb_terms table
  • Don’t check constraints on “Wikidata property example for media” statements ( phab:T227865)
  • Warn users that they're not nogged-in before performing restore or undo ( phab:T234430, thanks to Matěj Suchánek)
  • Remove edit link from Special:NewPages if page is not directly editable ( phab:T240561, thanks to Matěj Suchánek)
  • Introduce MwEraParser and improve i18n of dates BCE ( phab:T140541, thanks to Matěj Suchánek)
  • Bridge: show error dialog if the user isn't allowed to edit Wikidata ( phab:T235154)
  • Bridge: ask the user if the change is a fix or an update ( phab:T237333)
  • Enabled tainted references on test.wikidata.org

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!

• Events
  • Past: Wikidata OpenRefine Workshop in Prague (Q1085)
  • Upcoming: next Wikidata office hour, January 22nd, at 17:00 UTC (18:00 UTC+1), on the Wikidata Telegram channel. Topics: presenting the roadmap for 2020 and some news from the development team

• Tool of the week
  • The Wikidata Card Game Generator generates printable cards based on a topic (eg chemical elements) and some statements of the item.

• Other Noteworthy Stuff
  • New gadget added to Preferences, "Show UnpatrolledEdits" (see discussion): it shows if the last edit to the item has not been patrolled
  • Pywikibot deprecates Python 2 support. Any scripts running via Python 2 should be migrated soon, see more at [7]
  • The next Weekly Summary (January 27) will be the issue #400. Please help us collecting interesting Wikidata-related facts around the number 400!

• Did you know?
  • Newest properties:
    • General datatypes: none
    • External identifiers: National September 11 Memorial ID, BeWeb person ID, BeWeb entity ID, BeWeb family ID, Apple IIGS France ID, bauhaus.community ID, CEEB K-12 school code, D-MSX ID, Decine21 person ID, dovidka.com.ua person ID, Games Database publisher ID, Games Database system ID, ICD-11 (foundation), kino-teatr.ru person ID, LaunchBox Games Database platform ID, LaunchBox Games Database publisher ID, Macintosh Garden game ID, Macintosh Repository ID, Open Churches ID, OpenBibArt ID, textove.com artist ID, textove.com song ID, Electronic library Ukrainica ID, article in French Vikidia, OrthodoxWiki ID (English), Punjabipedia ID, Sarvavijnanakosam ID, article in Italian Vikidia, BookBrainz work ID, CPCWiki ID, UCUM code, VGMPF ID, article in Spanish Vikidia, What is the Apple IIGS? ID, article in English Vikidia, LiverTox ID, NMVW id, article in Basque Vikidia, Authenticus ID, Instituto Moreira Salles ID, Livelib.ru person ID, Nederlands Fotomuseum photographer ID, Polish Nationwide Railway Database - station ID, Saregama artist ID, ScummVM wiki ID, article in Armenian Vikidia, Vienna History Wiki ID, article in German Vikidia, Joconde object type ID, MarketScreener business leaders ID, Beta maṣāḥǝft ID, DigitaltMuseum ID, Frick Art Reference Library artist file ID, Panoptikum podcast episode ID, Joconde location ID, Identifier for a resource held by the Smithsonian Institution
  • New property proposals to review:
    • General datatypes: local to a language context, category for files created with program, Used with verb, Commons postcards category, Indonesian intangible cultural heritage, IP address or range, Commons map category V2, necessary property for class, 8-bits ID
    • External identifiers: CoBiS author ID, The Cover Project game ID, Analysis & Policy Observatory node ID, Analysis & Policy Observatory term ID, Swedish School Registry ID, Eurogamer ID, VR GameCritic ID, GameStar ID, Media Art Database ID, IGCD game ID, GameTDB game ID, identifier HAL for article, Diccionari del cinema a Catalunya ID, VGMRips composer ID, Historical Marker Database ID
  • Query examples:
    • Contributors to Jacob Heyblocqs vriendenboek and their occupations ( source)
    • Number of Co-Authors by Country using ORCID to identify the "searched author" ( source)

• Development
  • More work on wb_terms table migration: information about property terms is no longer updated and removed from wb_terms table.
  • Add "wikibase-statementsection-identifiers i18n message key to Wikibase ( phab:T240356)
  • Stop using $wgUser in Wikibase ( phab:T241947)
  • Document possible configuration options for Wikibase Repository and Wikibase Client installations ( phab:T165973)
  • Document Wikibase Usage Aspects ( phab:T236772)
  • Document Wikibase tables ( phab:T124603)
  • Wikidata Bridge: add the RadioButton to the component library ( phab:T239799)
  • Showing error dialogs if users can’t edit on the repo wiki ( phab:T235154)
  • Tainted references: work on keeping the warning visible when users cancel an edit

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!

• Welcome to the 400th Weekly Summary! Here are some interesting Wikidata facts or queries collected by the community and related to the number 400:
  • Item #400 is Jenna Jameson; Property #400 is platform (software), and Lexeme #400 is " vierhonderd" - Dutch for "four hundred". The QID for the natural number 400 is Q1535396. The QID for the year 400 is Q25621.
  • The page ID 400 is Ludwig van Beethoven; the Wikidata page version ID 400 was a version of printer.
  • The Greek philosopher Hypatia, one of the first women scientists, became head of the Neo-Platonist school at Alexandria, in 400 AD. We include her here in tribute to those working to reduce Wikidata's gender gap.
  • Wikimedia Commons has 627 images taken with the Canon PowerShot A400 - you can see one on baritone saxophone.
  • Map of things at an altitude of 400 m.
  • Map of places with a population of 400 ± 5 (yellow) graduating to 400 ± 0 (red).
  • From this query, Wikidata knows of 21 theatres, 15 cinemas, 11 sports venues, 11 event venues, and 9 ships having a maximum capacity of 400.
  • Image grid of taxa with a highest observed lifespan of at least 400 years.
  • Image grid of items with a mass of 400 kilograms and image grid of items with a mass of 400 grams.
  • List of 400m distance sports events.
  • 400 Ducrosa is a main-belt asteroid named after J. Ducros.
  • List of items with an external ID equal to 400.
  • Last but not least, 400 dahlias for Léa, Lydia and the other contributors to this list!

• Events
  • Past: Wikidata office hour on Telegram, January 22nd. Notes of the meeting
  • Upcoming: WikiTuesday / Wikidata Talks Meetup in Istambul, Turkey, January 28th
  • Upcoming: online meeting dedicated to organizers of Wikidata's 8th birthday, January 29th

• Tool of the week
  • Duplicate Item copies the current item (without descriptions or sitelinks) to a new item. This tool is useful for splitting items and for making sets of similar items. Recommended for experienced users.

• Other Noteworthy Stuff
  • New development roadmap for Wikidata and Wikibase for 2020
  • OpenRefine usage survey 2020
  • Wikidata has an entry in Google's new data search tool

• Did you know?
  • Newest properties:
    • General datatypes: attested as, category for files created with program, period of lactation, aperture
    • External identifiers: C64.COM ID, c64games.de ID, eu-football.info team ID, museum in Salzburg (AT) ID, fyyd podcast episode ID, Upper Austria Museum ID, WorldCat Identities ID, word in DEJ of RAE ID, HAL article ID
  • New property proposals to review:
    • General datatypes: LiverTox Likelihood Score, dean, stated age in source, US Bureau of Prisons Register Number, located in the constituency, motherboard, WMF short URL, Recognition, recognized by, not recognized by, jurisdiction status, supported metadata, expansion, historic first, number of pins, number of pin positions, catalogue raisonné, Dose, value group number, external georeferencer URL, axis, Voting system, image revision-id, region within image, georeferencing data, based on tabular data, Number of active electronic terminals, associated with, translated title, position in sequence, Attribution text, food energy, madhhab, Maximum number of playable characters, Main deity, electron configuration, capital social, gained territory from, key col of, religion or world view, CMF identifier, masculine form, feminine form, menu items, food composition, IP address or range, featured in, lighting, general law, territorial entity ranking context, references, mentions named entity, hardiness
    • External identifiers: NASA active astronaut ID, VGMRips company ID, DSSTOX compound identifier, Roglo person ID, VGMRips system ID, Museu de Memes ID, Nobel API ID, VideoGamer.com game ID, Canmore object-type ID, Canmore maritime-type ID, GameRevolution game ID, TrueAchievements game ID, PARADISEC Catalog, ELAR ID, ChemSynthesis ID, Whaling History ID, ft.dk politician identifier, Ciência ID, 7digital United Kingdom artist ID, Ident.Nr., GoodRx, part number, Faculté des sciences de Nancy ID, MIC, UEFA referee ID, name-suggestion-index identifier, TrueAchievements series ID, Bollywood Hungama ID 2, Gamekult game ID
  • Query examples:
    • The results of the Australian Triple J Hottest 100, 2019 music voting poll were published on 25 January 2019. See the results with associated music videos to watch.
    • Map of destinations from Wuhan Tianhe International Airport
    • 50 philosophers for which DBpedia and Wikidata state different date of birth ( source)

• Development
  • More work on wb_terms migration
  • Units support for quantity datatype ( phab:T239474)
  • Fix the link to rawgraphs.io from WDQS ( phab:T222257)
  • More work on showing messages related to permissions on the Wikidata Bridge
  • Tainted references: fix minor alignment issues ( phab:T243269, phab:T242212)
  • Add a "remove warning" button to confirm a correct reference ( phab:T234789)
  • Preparing the ground for a unified component library for the Wikidata UI

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!