This is the Wikidata summary of the week before 2017-05-08.

• New request for comments: Updating References for External Data

• Registration is open for the Celtic Knot Conference 2017 (July 6th, Edinburgh)
• Pre-hackathon of the Wikimedia Hackathon, May 12th-14th in Prague
• Wikimedia Hackathon 2017, May 19th-21st in Vienna. On site or remotely, you can join the Wikidata documentation sprint

• Vote in the board election (see also Voter guides and rationales)
• Sitelinks for the new Doteli Wikipedia (dtywiki) can be added
• You can now track the number of identifier properties for an item
• We provide weekly a new type of database dumps: nt truthy dumps
• Wikipedia article-draft-generator developed by Pharos for Met Museum project
• Schema.org proposes to encourage the use of Wikidata as a common entity base for the target of the sameAs relation

• Newest properties: light sector, Wikidata SPARQL query equivalent, Canadian Coastguard Lighthouse ID, contributed to published work
• Query examples:
  • All places (with coordinates) that gave its name to something (source)
  • Paintings depicting monkeys (source)
  • Artworks with presumably depicted persons (source)
• Newest database reports: list of oldest lighthouses

• Worked more on support for lexicographical data (specifically support for lexicographic category and statements on forms)
• Dealt with issues after the deployment of automatic interwiki links for Wiktionary
• Worked on constraint violation user script based on your feedback (improving messages to make it more understandable, layout, etc)
• Add support for the following new language codes for monolingual text properties: brx, chn, cop, gez, quc, kjh, nr (will become available in a few days)

You can see all open tickets related to Wikidata here.

• Add labels, in your own language(s), for the new properties listed above.
• Comment on property proposals: all open proposals - proposals needing attention
• 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!