Triple

T164760
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Railroad E2987 entity
Predicate ownedSubsidiary P254 FINISHED
Object Long Island Rail Road E2989 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: Long Island Rail Road | Statement: [Pennsylvania Railroad, ownedSubsidiary, Long Island Rail Road]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Long Island Rail Road
Context triple: [Pennsylvania Railroad, ownedSubsidiary, Long Island Rail Road]
  • A. Long Island Rail Road Main Line
    The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
  • B. Long Island Rail Road Atlantic Branch
    The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
  • C. Long Island Rail Road Port Jefferson Branch
    The Long Island Rail Road Port Jefferson Branch is a commuter rail line on Long Island that runs between western terminals in New York City and the village of Port Jefferson, serving numerous communities along the island’s north shore.
  • D. Metro-North Railroad Hudson Line
    The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
  • E. Long Island Rail Road (controlling interest for many years) chosen
    The Long Island Rail Road is a major commuter rail system serving Long Island and connecting it to New York City, recognized as one of the busiest and oldest railroads in the United States.
  • 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: ownedSubsidiary
Context triple: [Pennsylvania Railroad, ownedSubsidiary, Long Island Rail Road]
  • A. hasSubsidiaryTitle
    Indicates that an entity has an additional or secondary title formally associated with its main title.
  • B. ownedBy
    Indicates that one entity possesses legal or rightful ownership of another entity.
  • C. subordinateTo
    Indicates that one entity holds a lower rank, status, or authority and is subject to the control, direction, or oversight of another entity.
  • D. parentOrganization chosen
    Indicates that one organization is the higher-level or owning entity in an organizational hierarchy relative to another organization.
  • E. residentCompany
    Indicates that a company is based in, operates from, or has its primary residence in a particular location or jurisdiction.
  • 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_69a2524ce1e48190ab066bf72859f474 completed Feb. 28, 2026, 2:26 a.m.
NER Named-entity recognition batch_69a258827da481909b20ea5e9d21676f completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2f0b399d0819088332903146ddf94 completed Feb. 28, 2026, 1:42 p.m.
PD Predicate disambiguation batch_69a2566392208190a538ea9aa1fac53e completed Feb. 28, 2026, 2:43 a.m.
Created at: Feb. 28, 2026, 2:34 a.m.