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

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

Towards a knowledge graph for the House of Commons Library

The House of Commons Library

Not (entirely) this kind of library

Librarians Researchers

Civil Service House of Commons Ministers Backbenchers and opposition Library

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

The House of Commons Library (a Wardley map)

What is “the Thesaurus”?

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

Librarians!

A single subject view of the Library

Specialist Briefings Enquiry

Enquiry Specialist Subject Briefings

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

Domain-driven design

Alberto Brandolini

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

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