Triple

T13532111
Position Surface form Disambiguated ID Type / Status
Subject IRT West Side Lines E323157 entity
Predicate includesService P1393 FINISHED
Object 2 (New York City Subway service)
The 2 is a New York City Subway rapid transit service that runs as an express route along the IRT Broadway–Seventh Avenue Line, connecting the Bronx, Manhattan, and Brooklyn.
 E1048956 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: 2 (New York City Subway service) | Statement: [IRT West Side Lines, includesService, 2 (New York City Subway service)]

Disambiguation candidates (2 decisions)

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: 2 (New York City Subway service)
Context triple: [IRT West Side Lines, includesService, 2 (New York City Subway service)]
  • A. S (New York City Subway service)
    The S (New York City Subway service) is a designation used for the system’s shuttle trains, which provide short, point-to-point connections between specific stations.
  • B. A (New York City Subway service)
    The A (New York City Subway service) is a major rapid transit line in New York City that runs primarily along the Eighth Avenue Corridor in Manhattan and extends into Brooklyn and Queens, including service to JFK Airport and the Rockaways.
  • C. D (New York City Subway service)
    The D is a New York City Subway rapid transit service that runs primarily along the IND Sixth Avenue Line in Manhattan, connecting the Bronx and Brooklyn via express and local routes.
  • D. R (New York City Subway service)
    The R (New York City Subway service) is a local rapid transit line in New York City that runs primarily along the BMT Broadway Line in Manhattan and the BMT Fourth Avenue Line in Brooklyn, connecting Queens, Manhattan, and Brooklyn.
  • E. E (New York City Subway service)
    The E is a New York City Subway rapid transit service that runs primarily along the IND Eighth Avenue Line in Manhattan, providing 24/7 service between Queens and Manhattan.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 2 (New York City Subway service)
Target entity description: The 2 is a New York City Subway rapid transit service that runs as an express route along the IRT Broadway–Seventh Avenue Line, connecting the Bronx, Manhattan, and Brooklyn.
  • A. S (New York City Subway service)
    The S (New York City Subway service) is a designation used for the system’s shuttle trains, which provide short, point-to-point connections between specific stations.
  • B. A (New York City Subway service)
    The A (New York City Subway service) is a major rapid transit line in New York City that runs primarily along the Eighth Avenue Corridor in Manhattan and extends into Brooklyn and Queens, including service to JFK Airport and the Rockaways.
  • C. D (New York City Subway service)
    The D is a New York City Subway rapid transit service that runs primarily along the IND Sixth Avenue Line in Manhattan, connecting the Bronx and Brooklyn via express and local routes.
  • D. R (New York City Subway service)
    The R (New York City Subway service) is a local rapid transit line in New York City that runs primarily along the BMT Broadway Line in Manhattan and the BMT Fourth Avenue Line in Brooklyn, connecting Queens, Manhattan, and Brooklyn.
  • E. E (New York City Subway service)
    The E is a New York City Subway rapid transit service that runs primarily along the IND Eighth Avenue Line in Manhattan, providing 24/7 service between Queens and Manhattan.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: 2 (New York City Subway service)
Triple: [IRT West Side Lines, includesService, 2 (New York City Subway service)]
Generated description
The 2 is a New York City Subway rapid transit service that runs as an express route along the IRT Broadway–Seventh Avenue Line, connecting the Bronx, Manhattan, and Brooklyn.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d8076776248190bdf0d4fa1f85a5fc elicitation completed
NER batch_69dbafbb34548190a6b44faa48125cd4 ner completed
NED1 batch_69f76ba9fccc81908ec2e33d66aae8ea ned_source_triple completed
NED2 batch_69f7792110e48190a29b6e89c6ebcc03 ned_description completed
NEDg batch_69f77640b5308190aaa50e8d5d871832 nedg completed
Created at: April 9, 2026, 9:44 p.m.