Towards a knowledge graph for the House of Commons Library with Anya Somerville and Silver Oliver

A presentation at World IA Day London 2025 in March 2025 in London, UK by London World IA Day

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Talk Towards a knowledge graph for the House of Commons Library SILVER OLIVER — Head of Information Architecture at Data Language ANYA SOMERVILLE — Head of Indexing and Data Management at the House of Commons Library London 2025

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Towards a knowledge graph for the House of Commons Library

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The House of Commons Library

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Not (entirely) this kind of library

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Librarians Researchers

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Civil Service House of Commons Ministers Backbenchers and opposition Library

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The nature of requests Data on free school meals in my constituency. ● Likely impact of a tax policy? ● Housing vacancy in England and Wales? ●

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The House of Commons Library (a Wardley map)

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What is “the Thesaurus”?

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Why the Thesaurus? 1. Stable identifiers 2. Synonyms 3. Hierarchy and transitivity 4. Responding to change

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  1. Librarians!

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A single subject view of the Library

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Specialist Briefings Enquiry

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Enquiry Specialist Subject Briefings

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The approach Domain-driven design + information management = Knowledge graph

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Domain-driven design

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Alberto Brandolini

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Outcome •Making the mess more explicit and understood •Less patching data at the end of data journey •More meaningful work rather than fire fighting •More accountability and control in the same place •Less systems forking reference data(infrastructure is fit for purpose) •Less time and cost to build out features

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See Also • Weeknotes: https://ukparliament.github.io/ontologies/meta/weeknotes/ • Parliament models: https://ukparliament.github.io/ontologies/ • How we make websites: http://www.bbc.co.uk/blogs/radiolabs/2009/01/how_we_make_websi tes.shtml • Domain driven design for information professionals: https://datalanguage.com/blog