Triple

T6448616
Position Surface form Disambiguated ID Type / Status
Subject New Haven Line E139806 entity
Predicate partOf P40 FINISHED
Object Metro-North Railroad New Haven Line system
The Metro-North Railroad New Haven Line system is a major commuter rail network serving passengers between New York City and New Haven, Connecticut, with multiple branches extending into surrounding communities.
E139806 NE FINISHED

How this triple was built (4 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: Metro-North Railroad New Haven Line system | Statement: [New Haven Line, partOf, Metro-North Railroad New Haven Line system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad New Haven Line system
Context triple: [New Haven Line, partOf, Metro-North Railroad New Haven Line system]
  • A. Metro-North Railroad New Canaan Branch
    The Metro-North Railroad New Canaan Branch is a commuter rail line in southwestern Connecticut that provides service between New Canaan and the New Haven Line main route into the New York City metropolitan area.
  • B. 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.
  • C. 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.
  • D. Metro-North Railroad Waterbury Branch
    The Metro-North Railroad Waterbury Branch is a commuter rail line in Connecticut that provides service between Waterbury and the New Haven Line, connecting the Naugatuck Valley to the broader Metro-North network.
  • E. Metro-North Railroad
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Metro-North Railroad New Haven Line system
Triple: [New Haven Line, partOf, Metro-North Railroad New Haven Line system]
Generated description
The Metro-North Railroad New Haven Line system is a major commuter rail network serving passengers between New York City and New Haven, Connecticut, with multiple branches extending into surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad New Haven Line system
Target entity description: The Metro-North Railroad New Haven Line system is a major commuter rail network serving passengers between New York City and New Haven, Connecticut, with multiple branches extending into surrounding communities.
  • A. Metro-North Railroad New Canaan Branch
    The Metro-North Railroad New Canaan Branch is a commuter rail line in southwestern Connecticut that provides service between New Canaan and the New Haven Line main route into the New York City metropolitan area.
  • B. New Haven Line chosen
    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.
  • C. 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.
  • D. Metro-North Railroad Waterbury Branch
    The Metro-North Railroad Waterbury Branch is a commuter rail line in Connecticut that provides service between Waterbury and the New Haven Line, connecting the Naugatuck Valley to the broader Metro-North network.
  • E. Metro-North Railroad
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • F. None of above.

Provenance (5 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_69c008b301948190a35854e5284dc822 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c069b1a61c81908610264c098d25b0 completed March 22, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c64bcfc7388190877ad702ea44802d completed March 27, 2026, 9:20 a.m.
NEDg Description generation batch_69c64c5e5e5c8190b24aea7e4114daa5 completed March 27, 2026, 9:22 a.m.
NED2 Entity disambiguation (via description) batch_69c64da81a0881908fc5716aeb0e47fa completed March 27, 2026, 9:28 a.m.
Created at: March 22, 2026, 4:47 p.m.