Triple

T7910500
Position Surface form Disambiguated ID Type / Status
Subject Moynihan Train Hall E183684 entity
Predicate platformAccessTo P78970 FINISHED
Object Amtrak tracks at Penn Station
Amtrak tracks at Penn Station are the below-ground rail lines and platforms in Midtown Manhattan that serve Amtrak’s intercity trains and are accessed in part through the adjacent Moynihan Train Hall.
E700792 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: Amtrak tracks at Penn Station | Statement: [Moynihan Train Hall, platformAccessTo, Amtrak tracks at Penn Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak tracks at Penn Station
Context triple: [Moynihan Train Hall, platformAccessTo, Amtrak tracks at Penn Station]
  • A. Long Island Rail Road at Penn Station
    Long Island Rail Road at Penn Station is a major commuter rail hub in Midtown Manhattan that serves as the primary New York City terminal for Long Island Rail Road trains.
  • B. Amtrak at South Station
    Amtrak at South Station is the intercity passenger rail service operating from Boston’s historic South Station, providing regional and long-distance train connections along the Northeast Corridor and beyond.
  • C. Hudson Line at Grand Central Terminal
    The Hudson Line at Grand Central Terminal is a major Metro-North Railroad commuter rail line serving communities along the Hudson River and terminating at New York City's Grand Central Terminal.
  • D. Metropolitan Transportation Authority rail yard
    The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
  • E. Peekskill train station
    Peekskill train station is a Metro-North Railroad stop on the Hudson Line serving commuters and travelers in Peekskill, New York, along the Hudson River.
  • 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: Amtrak tracks at Penn Station
Triple: [Moynihan Train Hall, platformAccessTo, Amtrak tracks at Penn Station]
Generated description
Amtrak tracks at Penn Station are the below-ground rail lines and platforms in Midtown Manhattan that serve Amtrak’s intercity trains and are accessed in part through the adjacent Moynihan Train Hall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amtrak tracks at Penn Station
Target entity description: Amtrak tracks at Penn Station are the below-ground rail lines and platforms in Midtown Manhattan that serve Amtrak’s intercity trains and are accessed in part through the adjacent Moynihan Train Hall.
  • A. Long Island Rail Road at Penn Station
    Long Island Rail Road at Penn Station is a major commuter rail hub in Midtown Manhattan that serves as the primary New York City terminal for Long Island Rail Road trains.
  • B. Amtrak at South Station
    Amtrak at South Station is the intercity passenger rail service operating from Boston’s historic South Station, providing regional and long-distance train connections along the Northeast Corridor and beyond.
  • C. Hudson Line at Grand Central Terminal
    The Hudson Line at Grand Central Terminal is a major Metro-North Railroad commuter rail line serving communities along the Hudson River and terminating at New York City's Grand Central Terminal.
  • D. Metropolitan Transportation Authority rail yard
    The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
  • E. Peekskill train station
    Peekskill train station is a Metro-North Railroad stop on the Hudson Line serving commuters and travelers in Peekskill, New York, along the Hudson River.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: platformAccessTo
Context triple: [Moynihan Train Hall, platformAccessTo, Amtrak tracks at Penn Station]
  • A. accessToPlatforms chosen
    Indicates that one entity is able to use, reach, or interact with certain platforms provided or controlled by another entity.
  • B. platformMate
    Indicates that two entities are located on the same platform or share the same platform context at a given time.
  • C. platformStrategy
    Indicates a relationship where an entity defines or employs an overarching plan for building, managing, or leveraging a platform to create and capture value among its participants.
  • D. platformLocation
    Indicates the spatial position or placement of a platform relative to a reference point or environment.
  • E. surfaceAccess
    Indicates that one entity provides a means for another entity to reach, enter, or interact with a surface or outer layer.
  • F. None of above.

Provenance (6 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_69ca828dec0c81908b8f55a4dbbb53ff completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3a5db9508190bbe92673ef5a7861 completed March 31, 2026, 3:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69cb5bd54f548190916bf00852f37224 completed March 31, 2026, 5:29 a.m.
NEDg Description generation batch_69cb78f72878819086092c9fe267e37f completed March 31, 2026, 7:34 a.m.
NED2 Entity disambiguation (via description) batch_69cbbf2a357081908ac2230f0dfd9cdc completed March 31, 2026, 12:33 p.m.
PD Predicate disambiguation batch_69cae92f9498819085277879e59aa072 completed March 30, 2026, 9:20 p.m.
Created at: March 30, 2026, 5:04 p.m.