Triple

T2317514
Position Surface form Disambiguated ID Type / Status
Subject East River Tunnels E51098 entity
Predicate ownedPreviouslyBy P25383 FINISHED
Object Penn Central Transportation Company E9233 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: Penn Central Transportation Company | Statement: [East River Tunnels, ownedPreviouslyBy, Penn Central Transportation Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Penn Central Transportation Company
Context triple: [East River Tunnels, ownedPreviouslyBy, Penn Central Transportation Company]
  • A. Penn Central Transportation Company chosen
    Penn Central Transportation Company was a major American railroad formed in 1968 by the merger of the Pennsylvania Railroad and the New York Central Railroad, later becoming infamous for its massive bankruptcy.
  • B. New York Central Railroad
    New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
  • C. Consolidated Rail Corporation
    Consolidated Rail Corporation, commonly known as Conrail, was a major U.S. freight railroad created in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
  • D. Board of Transportation of the City of New York
    The Board of Transportation of the City of New York was the municipal agency responsible for planning, building, and operating New York City's early publicly owned subway and transit lines before they were unified under later authorities.
  • E. Lehigh Valley Railroad
    Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
  • 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: ownedPreviouslyBy
Context triple: [East River Tunnels, ownedPreviouslyBy, Penn Central Transportation Company]
  • A. ownedBy
    Indicates that one entity possesses legal or rightful ownership of another entity.
  • B. formerPartOwnerOf chosen
    Indicates that an entity previously held, but no longer holds, a partial ownership stake in another entity.
  • C. originallyAssociatedWith
    Indicates that an entity was first linked, connected, or affiliated with another entity before any later changes in association.
  • D. formerlyConnectedTo
    Indicates that two entities were once connected or associated in some way, but that connection no longer exists.
  • E. officePreviouslyHeldBy
    Indicates that a particular office or position was formerly occupied by a specified person or entity.
  • 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc685f05481909c863b29d1f6bacd completed March 7, 2026, 6:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8964902081909070dd03ccb7cf1f completed March 9, 2026, 8:48 a.m.
PD Predicate disambiguation batch_69abc5909cc48190aab257313542dc49 completed March 7, 2026, 6:28 a.m.
Created at: March 4, 2026, 7:49 p.m.