Triple

T1851579
Position Surface form Disambiguated ID Type / Status
Subject BMT Nassau Street Line E41605 entity
Predicate hasStation P35 FINISHED
Object Broad Street (BMT Nassau Street Line)
Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
E213725 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Broad Street (BMT Nassau Street Line) | Statement: [BMT Nassau Street Line, hasStation, Broad Street (BMT Nassau Street Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Broad Street (BMT Nassau Street Line)
Context triple: [BMT Nassau Street Line, hasStation, Broad Street (BMT Nassau Street Line)]
  • A. Chambers Street (BMT Nassau Street Line)
    Chambers Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains.
  • B. Fulton Street (BMT Nassau Street Line)
    Fulton Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains as part of the larger Fulton Street transit complex.
  • C. Dyckman Street (A line)
    Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
  • D. Fulton Street (IND Eighth Avenue Line)
    Fulton Street (IND Eighth Avenue Line) is a New York City Subway station in Lower Manhattan served by the A and C trains as part of the larger Fulton Street transit complex.
  • E. Tremont Street subway
    The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Broad Street (BMT Nassau Street Line)
Triple: [BMT Nassau Street Line, hasStation, Broad Street (BMT Nassau Street Line)]
Generated description
Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Broad Street (BMT Nassau Street Line)
Target entity description: Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
  • A. Chambers Street (BMT Nassau Street Line)
    Chambers Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains.
  • B. Fulton Street (BMT Nassau Street Line)
    Fulton Street (BMT Nassau Street Line) is a New York City Subway station in Lower Manhattan serving the J and Z trains as part of the larger Fulton Street transit complex.
  • C. Dyckman Street (A line)
    Dyckman Street (A line) is a New York City Subway station on the IND Eighth Avenue Line serving the A train in the Inwood neighborhood of Upper Manhattan.
  • D. Fulton Street (IND Eighth Avenue Line)
    Fulton Street (IND Eighth Avenue Line) is a New York City Subway station in Lower Manhattan served by the A and C trains as part of the larger Fulton Street transit complex.
  • E. Tremont Street subway
    The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a8864a83848190a4ec02721306c511 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb06829b081908767b3df5524c7d4 completed March 7, 2026, 4:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69adeadb82048190a89aa8df26fa55f1 completed March 8, 2026, 9:32 p.m.
NEDg Description generation batch_69adeccddc788190be7ddb822f1b5d67 completed March 8, 2026, 9:40 p.m.
NED2 Entity disambiguation (via description) batch_69aded53100081909239afdc676e45ab completed March 8, 2026, 9:42 p.m.
Created at: March 4, 2026, 7:33 p.m.