This is the Wikidata summary of the week before 2019-05-27.

• Past: Wikidata Labs XV in Brazil, with an introduction to lexicographical data (slides)
• Past:Workshop for experienced editors of nl.wiktionary to explore the possibilities of lexicographical data.

• Using contemporary constraints to ensure data consistency. David Abián, Jorge Bernad, Raquel Trillo LadoPublished in SAC 2019. DOI:10.1145/3297280.3297509 (Paywalled)
• Published in WWW 2019
  • Fast Interval Joins for Temporal SPARQL Queries. Melisachew Wudage Chekol, Giuseppe Pirrò, Heiner Stuckenschmidt. DOI:10.1145/3308560.3314997
  • QAnswer: A Question Answering prototype bridging the gap between a considerable part of the LOD cloud and end-users. Ronan Cummins, et al. DOI:10.1145/3308558.3314124
  • Implicit Bias in Crowdsourced Knowledge Graphs. Gianluca Demartini. DOI:10.1145/3308560.3317307
  • Learning to Map Wikidata Entities To Predefined Topics. Preeti Bhargava, et al. DOI:10.1145/3308560.3316749
• Citation.js: Wikidata Update, by Lars Willighagen
• Wikidata: Open Linked Data for Library Publishing, by Mairelys Lemus-Rojas et al.

• The US Library of Congress are integrating Wikidata QIDs into their authority files (blog post)

• Newestproperties:
  • General datatypes: none
  • External identifiers:Buddhist Author Authority Database ID,HAL structure ID,Mod DB video game ID,Finnish Trade Register ID,IMTL.org ID,Danskefilmstemmer.dk person ID,OBO Gazetteer ID,LGBTFansDB character ID,ProofWiki ID,ROR ID
• Newproperty proposals to review:
  • General datatypes:title qualifiers,goodwill ambassador of,UPA transcription,hospital beds,Courage ID,bibliography url
  • External identifiers:Messes.info Catholic parish ID,The DRAGON Archive id,racing-reference track ID,racing-reference race ID,Digital Prosopography of the Roman Republic (DPRR) ID,MSX Games World ID,Coco Game List ID,Dictionary of Irish Biography ID,Ask.fm ID,National Film Board of Canada director identifier
• Query examples:
  • European countries that have a street named after them in Rennes
  • Map of meteor impact craters (source)
  • Bubble chart of all instances of color which have an sRGB color hex triplet (source)
  • Number of riots per country (source)
  • Country having the most female politicians (source)

• Deploy the EntitySchema extension on test.wikidata.org and beta.wikidata.org
• Remove the remaining beta feature config for constraint-suggestions (phab:T220609)
• Introduce baserevid for conflict checking in Lexeme (phab:T217245)
• Fix a bug making impossible to get Lexeme Forms and Senses via the API (phab:T223995)
• Add Wikidata query service lag to Wikidata maxlag (phab:T221774)
• Allow accessing Wikibase entities from multiple Wikibase databases (phab:T214557)
• More work to get termbox ready for deployment
• Add a login warning on mobile termbox editing (phab:T221831)

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

• 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 aShowcase item.
• Helptranslate or proofread the interface and documentation pages, in your own language!
• Help merge identical items across Wikimedia projects.
• Helpwrite the next summary!

• Wikidata status updates