Triple

T6050648
Position Surface form Disambiguated ID Type / Status
Subject C Branch E134782 entity
Predicate hasStop P17789 FINISHED
Object Copley station E53386 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: Copley station | Statement: [C Branch, hasStop, Copley station]

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: Copley station
Context triple: [C Branch, hasStop, Copley station]
  • A. Copley station chosen
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • D. Ruggles station
    Ruggles station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains, multiple commuter rail lines, and numerous bus routes.
  • E. Winchester Center station
    Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
  • 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_69c00877b6d4819096b0e163728b73a3 elicitation completed
NER batch_69c056f66cb08190a782cdd038f26b93 ner completed
NED1 batch_69c16ea1595c8190926a5ed8d230ab4a ned_source_triple completed
Created at: March 22, 2026, 4:09 p.m.