Triple

T21936281
Position Surface form Disambiguated ID Type / Status
Subject Waterbury station E541695 entity
Predicate formerOperator P179 FINISHED
Object New York, New Haven and Hartford Railroad — NE NERFINISHED

How this triple was built (2 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: New York, New Haven and Hartford Railroad | Statement: [Waterbury station, formerOperator, New York, New Haven and Hartford Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New York, New Haven and Hartford Railroad
Context triple: [Waterbury station, formerOperator, New York, New Haven and Hartford Railroad]
  • A. New York, New Haven and Hartford Railroad chosen
    The New York, New Haven and Hartford Railroad was a major railroad in the northeastern United States that operated extensive passenger and freight services across New England and into New York City during the late 19th and early 20th centuries.
  • B. New York and New Haven Railroad
    The New York and New Haven Railroad was a 19th-century rail line that provided a crucial passenger and freight connection between New York City and New Haven, Connecticut, later becoming part of the New York, New Haven and Hartford Railroad system.
  • C. Hartford and New Haven Railroad
    The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
  • D. Metro-North Railroad New Haven Division
    The Metro-North Railroad New Haven Division is a major commuter rail division of the Metro-North system that operates service along the New Haven Line and its branches between New York and Connecticut.
  • E. New York, Westchester and Boston Railway
    The New York, Westchester and Boston Railway was an early 20th-century electric commuter railroad serving the Bronx and Westchester County, later partially incorporated into the New York City Subway system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c47e2e5c81909a7f74ce3de50911 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1241c909c81908644eb73baa9def1 completed April 28, 2026, 9:18 p.m.
Created at: April 16, 2026, 7:54 p.m.