[Google AI Overview at the query, signed out and incognito (operator defaults of 2026-10-01 and 2026-10-14). The paste is the Overview expanded (the 'AI Mode Conversation' view).] The 'You said' line carries the query twice, run together, and is given once here. Inline links are Google redirect URLs, kept as pasted. [QUERENT] Wikidata [SYSTEM] [Wikidata](https://www.google.com/goto?url=CAESaAHrOzAVHaUYxkzMVoJBHmwTCw5GcntAQJQdZUXsjq5VTfl5KzQ4c6sWr7TgFHDnXxM-OjhjTj4L3NiUAztbqB_x2-APjQUAxZ2CS3RT5zBxwpIUSkVQ8pcGKeG4yW2g_z8IyNAeSFgE) is a free, open, and collaborative multilingual knowledge graph hosted by the Wikimedia Foundation. It serves as a central storage hub for structured data used by Wikipedia, Wikimedia sister projects, and external applications. [[1], [2]] Key Features * Open License: All data is released under a Creative Commons CC0 public domain dedication, meaning anyone can use, copy, and modify it freely. [[1], [2]] * Items and Identifiers: Each entity gets a unique "Q-number" identifier (such as `Q42` for Douglas Adams), while properties use "P-numbers" (such as `P69` for "educated at"). [[1], [2]] * Statements and Triples: Information is stored as subject-predicate-object statements (claims) that link entities to values, often backed by references to external sources. [[1], [2]] * Multilingual: Labels, descriptions, and aliases exist across hundreds of languages so content can be managed and viewed globally. [[1], [2], [3]] * SPARQL Query Service: Users can extract and analyze data or build visual graphs using the [