Triple

T4500660
Position Surface form Disambiguated ID Type / Status
Subject Mount Pleasant Cemetery, Toronto E101209 entity
Predicate hasNotableInterments P3803 FINISHED
Object Hart Massey E108650 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: Hart Massey | Statement: [Mount Pleasant Cemetery, Toronto, hasNotableInterments, Hart Massey]

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: Hart Massey
Context triple: [Mount Pleasant Cemetery, Toronto, hasNotableInterments, Hart Massey]
  • A. Hart Massey chosen
    Hart Massey was a prominent Canadian industrialist and philanthropist from the Massey manufacturing family, known for his significant contributions to education and culture.
  • B. Hartley Rowe
    Hartley Rowe was a prominent American engineer and government advisor known for his influential role on the General Advisory Committee of the U.S. Atomic Energy Commission during the early development of nuclear policy.
  • C. Stanton Harcourt
    Stanton Harcourt is a historic village in Oxfordshire, England, known for its medieval manor house, ancient church, and connections to notable figures such as the poet Alexander Pope.
  • D. Przemysł Hill
    Przemysł Hill is a historic elevation in the center of Poznań, Poland, known primarily as the site of the city’s medieval royal castle and a key landmark in its old town.
  • E. Drayton Bassett
    Drayton Bassett is a small rural village and civil parish in Staffordshire, England, known for its historic church and proximity to the Drayton Manor theme park.
  • 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_69bd43d175248190894dc58b5b395c26 elicitation completed
NER batch_69bd6231856c8190be9386a0ae15e7cf ner completed
NED1 batch_69bd6f8d498c81908fe1ac5f799f2e1a ned_source_triple completed
Created at: March 20, 2026, 1 p.m.