Data model explorer

Explore the formal OWL 2 ontology (v1.1.0) that describes how FindMeds UK organises and links data from 7 sources: 49 classes, 242 properties, and 42 named individuals with full provenance annotations.

OWL 2 RDF/XML1,646 triples176/176 (100%) coverage

Class hierarchy

Medicinal product

Core pharmaceutical

subclass of Pharmaceutical entity

fmuk:MedicinalProduct

A generic medicine at the VMP (Virtual Medicinal Product) level from NHS dm+d. Each record represents a unique combination of active ingredient(s), strength, and dose form.

Real-world meaning

A generic medicine at the Virtual Medicinal Product (VMP) level in the NHS Dictionary of medicines and devices (dm+d). A VMP represents a unique combination of active ingredient(s), strength, and pharmaceutical form — for example "Paracetamol 500mg tablets". This is the level at which UK prescribers write generic prescriptions.

Data provenance

TRUD Items 24/25 (NHS dm+d). Parsed by scripts/import-medicines.ts. Enriched by scripts/enrich-medicines.ts (BNF/ATC codes, DDD, legal category, formulation flags, Drug Tariff prices). Licence: OGL v3.0.

Correspondence method

Central entity linked via: (1) SNOMED CT code as primary key; (2) Active ingredient names matched to DrugBank; (3) VTM name for BNF/NICE matching; (4) ATC codes for Wikidata matching; (5) CAS/UNII/InChIKey for chemical cross-referencing.

Example

Paracetamol 500mg tablets (SNOMED: 322236009, BNF: 04070100, ATC: N02BE01, legal category: GSL, DDD: 3000mg)

Record count

~24,000 VMP records

Update schedule

Weekly full sync every Sunday 3 AM. TRUD dm+d releases monthly (~8th).

Hierarchy

Parent: fmuk:PharmaceuticalEntity(Pharmaceutical entity)

Outgoing relationships (15)

has branded versionBrandedMedicinalProduct

inverse: isBrandedVersionOf

has shortage warningShortageWarning

functional

has related medicineRelatedMedicine

has ingredient mappingIngredientMapping

has Wikidata mappingWikidataMapping

has NICE guidanceNICEGuidance

has dose formDoseForm

functional

has route of administrationRouteOfAdministration

functional

has legal categoryLegalCategory

functional

has controlled drug scheduleControlledDrugSchedule

functional

has BNF classificationBNFClassification

has ATC classificationATCClassification

belongs to primary care clusterPrimaryCareCluster

has trade familyTradeFamilyGroup

has dose form groupDoseFormGroup

Incoming relationships (5)

BrandedMedicinalProductis branded version ofMedicinal product

MappingRecordmaps to medicineMedicinal product

ShortageWarninghas alternative medicineMedicinal product

SearchResultmatches medicineMedicinal product

(any)medicine referenceMedicinal product

Namespace declarations (8)

Prefix	URI	Purpose
owl:	http://www.w3.org/2002/07/owl#	OWL 2 Web Ontology Language
rdf:	http://www.w3.org/1999/02/22-rdf-syntax-ns#	Resource Description Framework
rdfs:	http://www.w3.org/2000/01/rdf-schema#	RDF Schema
xsd:	http://www.w3.org/2001/XMLSchema#	XML Schema Datatypes
dc:	http://purl.org/dc/elements/1.1/	Dublin Core Elements
dct:	http://purl.org/dc/terms/	Dublin Core Terms
skos:	http://www.w3.org/2004/02/skos/core#	SKOS (reserved for future alignment)
fmuk:	https://www.findmeds.uk/ontology#	FindMeds UK namespace

Methodology and validation

Built using a middle-out approach: bottom-up extraction from the Prisma schema and TypeScript interfaces combined with top-down pharmaceutical domain knowledge. Validated against 8 dimensions including XML well-formedness, RDF parsing, label/range coverage, and full Prisma cross-referencing.

About our data