Triple

T12664896
Position Surface form Disambiguated ID Type / Status
Subject Makoto Kobayashi E302523 entity
Predicate notableConcept P201 FINISHED
Object CKM matrix E234496 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: CKM matrix | Statement: [Makoto Kobayashi, notableConcept, CKM matrix]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CKM matrix
Context triple: [Makoto Kobayashi, notableConcept, CKM matrix]
  • A. Cabibbo–Kobayashi–Maskawa matrix chosen
    The Cabibbo–Kobayashi–Maskawa matrix is a fundamental component of the Standard Model of particle physics that describes how quarks change flavor via the weak interaction and accounts for CP violation in the quark sector.
  • B. PMNS matrix
    The PMNS matrix is a unitary matrix in particle physics that encodes the mixing between neutrino flavor and mass eigenstates, governing the phenomenon of neutrino oscillations.
  • C. Kobayashi–Maskawa theory
    The Kobayashi–Maskawa theory is a fundamental framework in particle physics that explains CP violation in the Standard Model through a three-generation quark mixing matrix (the CKM matrix).
  • D. Cabibbo theory
    Cabibbo theory is a framework in particle physics that describes the mixing of down and strange quarks in weak interactions through a single mixing angle, laying groundwork later generalized by the CKM matrix.
  • E. unitarity triangle
    The unitarity triangle is a geometric representation in the complex plane of quark mixing and CP violation in the Standard Model, derived from the unitarity of the CKM matrix.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bded71a88190bb76e2413af9ea66 elicitation completed
NER batch_69d9617e030881908444743b8a7e0d75 ner completed
NED1 batch_69f6688a19148190b8d252d3706d2b05 ned_source_triple completed
Created at: April 9, 2026, 5:19 p.m.