Triple

T13532135
Position Surface form Disambiguated ID Type / Status
Subject IRT West Side Lines E323157 entity
Predicate interchangesWith P3495 FINISHED
Object IND Eighth Avenue Line E35963 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: IND Eighth Avenue Line | Statement: [IRT West Side Lines, interchangesWith, IND Eighth Avenue Line]

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: IND Eighth Avenue Line
Context triple: [IRT West Side Lines, interchangesWith, IND Eighth Avenue Line]
  • A. IND Sixth Avenue Line
    The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
  • B. Eighth Avenue Line chosen
    The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
  • C. IND Concourse Line
    The IND Concourse Line is a New York City Subway line in the Bronx that primarily carries B and D trains and connects the borough to Manhattan via the IND Eighth Avenue Line.
  • D. Ninth Avenue Line
    The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
  • E. IND Eighth Avenue Line and IND Sixth Avenue Line
    The IND Eighth Avenue Line and IND Sixth Avenue Line are two major New York City Subway trunk lines in Manhattan that run roughly north–south on their respective avenues and share key transfer points such as West Fourth Street–Washington Square.
  • 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_69d8076776248190bdf0d4fa1f85a5fc elicitation completed
NER batch_69dbafbb34548190a6b44faa48125cd4 ner completed
NED1 batch_69f75d95ce008190a915fe5865c38ee5 ned_source_triple completed
Created at: April 9, 2026, 9:44 p.m.