Triple

T8523494
Position Surface form Disambiguated ID Type / Status
Subject Danbury Branch (Metro-North Railroad) E201752 entity
Predicate openedAsPartOf P9951 FINISHED
Object New York and New Haven Railroad system E578604 NE FINISHED

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 and New Haven Railroad system | Statement: [Danbury Branch (Metro-North Railroad), openedAsPartOf, New York and New Haven Railroad system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New York and New Haven Railroad system
Context triple: [Danbury Branch (Metro-North Railroad), openedAsPartOf, New York and New Haven Railroad system]
  • A. New York and New Haven Railroad chosen
    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.
  • B. New York, New Haven and Hartford Railroad
    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.
  • 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. New Haven Line
    The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
  • E. New York State rail system
    The New York State rail system is the statewide passenger and freight rail network that connects major cities and regions across New York, integrating services like the Empire Corridor with national and regional rail operators.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca8321bb44819081b74df0b710276d completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe64362c88190b978a2544eec6e3e completed March 31, 2026, 3:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce4e8399f481909992aedf0d918cbc completed April 2, 2026, 11:09 a.m.
Created at: March 30, 2026, 6:16 p.m.