Triple

T521591
Position Surface form Disambiguated ID Type / Status
Subject Metro-North Railroad Hudson Line E10827 entity
Predicate southernTerminalStation P5249 FINISHED
Object Grand Central Terminal E28946 NE FINISHED

How this triple was built (3 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: Grand Central Terminal | Statement: [Metro-North Railroad Hudson Line, southernTerminalStation, Grand Central Terminal]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grand Central Terminal
Context triple: [Metro-North Railroad Hudson Line, southernTerminalStation, Grand Central Terminal]
  • A. Grand Central Terminal chosen
    Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
  • B. Penn Station (New York City)
    Penn Station (New York City) is a major underground railroad station and one of the busiest transportation hubs in the United States, serving Amtrak, commuter rail, and subway lines in Midtown Manhattan.
  • C. Grand Central–42nd Street station
    Grand Central–42nd Street station is a major New York City transit hub in Midtown Manhattan that connects multiple subway lines with Grand Central Terminal’s commuter rail services.
  • D. Newark Penn Station
    Newark Penn Station is a major intercity and commuter rail hub in Newark, New Jersey, serving Amtrak, NJ Transit, PATH, and local transit connections.
  • E. Rockefeller Center subway station complex
    The Rockefeller Center subway station complex is a major New York City Subway hub in Midtown Manhattan that serves the Rockefeller Center area and nearby landmarks such as Radio City Music Hall and the NBC studios.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: southernTerminalStation
Context triple: [Metro-North Railroad Hudson Line, southernTerminalStation, Grand Central Terminal]
  • A. hasSouthernTerminus chosen
    Indicates that one entity serves as the southern endpoint or terminus of another entity, such as a route, line, or path.
  • B. terminusEast
    Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
  • C. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • D. otherMajorTerminal
    Indicates that an entity is associated with a different primary terminal or endpoint than the one currently referenced or considered.
  • E. stationName
    Indicates the name assigned to a particular station in the relationship.
  • F. None of above.

Provenance (4 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_69a2e84b16c4819088d284c47c3a7968 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f1b372408190b3918fec45444674 completed Feb. 28, 2026, 1:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4e0277eb08190984ff5bcb9f349a0 completed March 2, 2026, 12:56 a.m.
PD Predicate disambiguation batch_69a2f018129c81909494450fcba71b59 completed Feb. 28, 2026, 1:39 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.