Aromatic hydrocarbon

Ontology mapping

Primary identifier: CHEBI:33658
Ontology label: arene

Evidence (3)

LEXICAL_MATCH via kgm-metatraits

Imported from kgm-metatraits via source-preset. source_id=kgm.metatraits.special:aromatic_hydrocarbon;

DATABASE_MATCH via MIM curation (#322)

mapping_quality EXACT_MATCH -> BROAD_MATCH. CHEBI:33848 carries no structural definition, so it is a class rather than an individual, and the record's label 'Aromatic hydrocarbon' does not equal the term label 'polycyclic arene'. EXACT_MATCH therefore asserted an identity the pair does not have. Re-graded because the record is BROADER than the term: benzene is an aromatic hydrocarbon and is not a polycyclic arene, so narrowMatch would be backwards.

MANUAL_CURATION via MIM curation (SSSOM delivery review)

Regrounded CHEBI:33848 (kgmicrobe.compound:aromatic_hydrocarbon) -> CHEBI:33658 'arene'. CHEBI:33658 is defined as 'Any monocyclic or polycyclic aromatic hydrocarbon', which is exactly what this record names; CHEBI:33848 'polycyclic arene' is a proper subset of it. The old shape asserted skos:broadMatch — the corpus's only one — and kg-microbe's consolidator reads narrowMatch and broadMatch identically as 'the MIM subject is NARROWER than the object', so it published this record as a CHILD of polycyclic arene: backwards, and chemically false. The record's own history carried both readings, the regrade calling it broader and the mint that followed calling it narrower. Grounding at the term that actually denotes it makes the mapping symmetric and true, which removes the disagreement rather than arguing about direction, and retires a registry mint the record never needed — a mint gives identity to a record NARROWER than every available term. Not a #322 class overstatement: both sides are the same class.

Occurrence statistics

Total occurrences: 0
Distinct media: 0

Curation history

Timestamp	Curator	Action	New status	Changes
2026-04-30T20:14:01.918670+00:00	audit_import_ingredients[kgm-metatraits]	CREATED_FROM_INGREDIENT_IMPORT	MAPPED	Imported from kgm-metatraits via source-preset. source_id=kgm.metatraits.special:aromatic_hydrocarbon;
2026-05-01T07:35:32.260225+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-02T03:12:12.584332+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-08-13T00:00:00+00:00	regrade_class_overstatements	REGRADED_CLASS_OVERSTATEMENT		mapping_quality EXACT_MATCH -> BROAD_MATCH (#322); the record is BROADER than the term: benzene is an aromatic hydrocarbon and is not a polycyclic arene, so narrowMatch would be backwards.
2026-08-13T00:00:00+00:00	mint_registry_for_narrow_records	MINTED_REGISTRY_IDENTIFIER		identifier CHEBI:33848 -> kgmicrobe.compound:aromatic_hydrocarbon. The record is narrower than CHEBI:33848 (source-, form- or scope-qualified), and §3 forbids expressing a more specific thing by sharing a broader term's identifier. Minted per step 3. (#322) Required by SSSOM Rule B1 once the mapping was re-graded to narrow/broad.
2026-08-18T00:00:00+00:00	reground_aromatic_hydrocarbon	REGROUNDED_TO_DENOTING_TERM		Regrounded CHEBI:33848 (kgmicrobe.compound:aromatic_hydrocarbon) -> CHEBI:33658 'arene'. CHEBI:33658 is defined as 'Any monocyclic or polycyclic aromatic hydrocarbon', which is exactly what this record names; CHEBI:33848 'polycyclic arene' is a proper subset of it. The old shape asserted skos:broadMatch — the corpus's only one — and kg-microbe's consolidator reads narrowMatch and broadMatch identically as 'the MIM subject is NARROWER than the object', so it published this record as a CHILD of polycyclic arene: backwards, and chemically false. The record's own history carried both readings, the regrade calling it broader and the mint that followed calling it narrower. Grounding at the term that actually denotes it makes the mapping symmetric and true, which removes the disagreement rather than arguing about direction, and retires a registry mint the record never needed — a mint gives identity to a record NARROWER than every available term. Not a #322 class overstatement: both sides are the same class.