Triple

T16239579
Position Surface form Disambiguated ID Type / Status
Subject Derby, Connecticut E394204 entity
Predicate railLine P848 FINISHED
Object Waterbury Branch of the Metro-North Railroad E426341 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: Waterbury Branch of the Metro-North Railroad | Statement: [Derby, Connecticut, railLine, Waterbury Branch of the Metro-North Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waterbury Branch of the Metro-North Railroad
Context triple: [Derby, Connecticut, railLine, Waterbury Branch of the Metro-North Railroad]
  • A. Danbury Branch (Metro-North Railroad)
    Danbury Branch (Metro-North Railroad) is a commuter rail line in southwestern Connecticut that connects the city of Danbury with the New Haven Line, providing passenger service to New York City and other regional destinations.
  • B. Fairfield Metro-North Railroad station
    Fairfield Metro-North Railroad station is a commuter rail station on the New Haven Line serving passengers traveling between Fairfield, Connecticut, and destinations such as New York City and New Haven.
  • C. Metro-North Railroad Waterbury Branch chosen
    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.
  • D. Waterbury station
    Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
  • E. Waterbury–Stowe Amtrak station
    Waterbury–Stowe Amtrak station is a historic passenger rail station in Waterbury, Vermont, serving as a key stop for travelers to the nearby Stowe resort area and the surrounding region.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2455d5270819090171d4207223a28 completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a000edaf76c8190acc01f58845e570a completed May 10, 2026, 4:51 a.m.
Created at: April 10, 2026, 5:04 a.m.