Critical concepts Simple editing tools IN BRIEF Help:Basic membership properties Distributed Game – contribute through Instance (P31) vs subclass (P279) Yes/No/Skip micro-decisions Claim: Item – Property – Value Help:Sources Mix-n-Match – connect external identifiers Item Q number Adding references, use to Wikidata items Property P number "stated in" or "reference URL" Bulk editing item property value Displaying items Quickstatements – use tab-delimited Marie Curie field of work chemistry Reasonator and SQID – rich visual display of claims to edit Wikidata items Q7186 P101 Q2329 PetScan – powerful toolbox for Wikidata Graph Builder – show connectedness categories and Wikidata of items based on properties Wikidata item basics OpenRefine – open source tool for Label, description, aliases – friendly Querying cleaning messy data, reconciliation language-specific strings Query.wikidata.org – SPARQL interface. Explore Data donation - how and why to Statements – includes identifiers, sitelinks example queries and display options. CTRL-Space contribute, and guidelines for institutions at bottom of an item auto-expands item and property names to Q/P numbers. Other tools Qualifiers – adds details to claims (ie. TABernacle – inspect and edit Wikidata dates, distinctions, etc) VizQuery – simple query using rules without requiring coding interactively in table format Copyright - all content in Wikidata is Creative Commons CC0 () Spreadsheet Wikipedia Tools – query Wikipedia and Wikidata from Version 1.3 (2018-11) by Andrew Lih spreadsheet cells

label Item identifier (User:Fuzheado) (QID) licensed under External tools – comprehensive list of all Marie Curie (Q7186) CC BY SA 4.0 Wikidata tools [email protected] description French-Polish physicist and chemist – open source software Digital version: Maria Salomea Skłodowska | Maria Skłodowska-Curie bit.ly/wikidata-onepage extension to MediaWiki that runs Wikidata. Available as a Docker container aliases Statements to create a custom structured data repository statement award received Nobel Prize in Chemistry group Community and news point in time 1911 Wikidata:Project chat – property value discussion forum

qualifier + add reference Wikidata:Status updates – weekly summary newsletter + add Use edit and +add to modify