Triple

T572977
Position Surface form Disambiguated ID Type / Status
Subject C train E13701 entity
Predicate brooklynBranch P16164 FINISHED
Object Fulton Street Line
The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
E75918 NE FINISHED

How this triple was built (5 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: Fulton Street Line | Statement: [C train, brooklynBranch, Fulton Street Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fulton Street Line
Context triple: [C train, brooklynBranch, Fulton Street Line]
  • A. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • B. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • C. Harlem Line
    The Harlem Line is a major commuter rail line in New York State operated by Metro-North Railroad, running from Manhattan north through the Bronx and into suburban communities in Westchester, Putnam, and Dutchess counties.
  • D. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • E. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • 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: Fulton Street Line
Triple: [C train, brooklynBranch, Fulton Street Line]
Generated description
The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fulton Street Line
Target entity description: The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
  • A. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • B. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • C. Harlem Line
    The Harlem Line is a major commuter rail line in New York State operated by Metro-North Railroad, running from Manhattan north through the Bronx and into suburban communities in Westchester, Putnam, and Dutchess counties.
  • D. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • E. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: brooklynBranch
Context triple: [C train, brooklynBranch, Fulton Street Line]
  • A. hasBorough
    Indicates that one entity is located within, belongs to, or is administratively part of a specific borough.
  • B. largestBoroughBy
    Indicates that one borough is the largest among a set of boroughs according to a specified criterion (such as area or population).
  • C. designatedNYCLandmark
    Indicates that an entity has been officially designated as a New York City landmark by the appropriate municipal authority.
  • D. incorporatedAsBorough
    Indicates that an entity was formally established and granted legal status as a borough.
  • E. boroughServed
    Indicates that a given entity (such as a facility, service, or route) serves or provides coverage to a specific borough.
  • F. None of above. chosen

Provenance (7 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_69a4933fa4d88190a7949cc83c08c5c1 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49b4ae0988190bdd0ad428b784d85 completed March 1, 2026, 8:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5291f50e481909cf404c6b4050b94 completed March 2, 2026, 6:07 a.m.
NEDg Description generation batch_69a52a39ae508190895689aab792e5c8 completed March 2, 2026, 6:12 a.m.
NED2 Entity disambiguation (via description) batch_69a52aa9018081909f8a647a177a5412 completed March 2, 2026, 6:14 a.m.
PD Predicate disambiguation batch_69a494c4969c819080375d08f9eec50c completed March 1, 2026, 7:34 p.m.
PDg Predicate description generation batch_69a498dd579081908e02368a4c5efc8c completed March 1, 2026, 7:51 p.m.
Created at: March 1, 2026, 7:33 p.m.