Triple

T10297139
Position Surface form Disambiguated ID Type / Status
Subject Fordham station E241520 entity
Predicate servedByLine P1293 FINISHED
Object New Canaan Branch (via New Haven Line trains) E232010 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 Canaan Branch (via New Haven Line trains) | Statement: [Fordham station, servedByLine, New Canaan Branch (via New Haven Line trains)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New Canaan Branch (via New Haven Line trains)
Context triple: [Fordham station, servedByLine, New Canaan Branch (via New Haven Line trains)]
  • A. Metro-North Railroad New Canaan Branch chosen
    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. Northeast Corridor at New Haven
    The Northeast Corridor at New Haven is a major junction on the busy Boston–Washington rail corridor where intercity and regional trains connect with inland routes such as the New Haven–Springfield Line.
  • C. Milford station (select trains via New Haven Line connection)
    Milford station (select trains via New Haven Line connection) is a commuter rail stop in Milford, Connecticut, served primarily by Metro-North’s New Haven Line with limited Waterbury Branch connectivity.
  • D. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • E. New Canaan station
    New Canaan station is a commuter rail station in New Canaan, Connecticut, serving as the northern endpoint of Metro-North Railroad service on the New Canaan Branch.
  • 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_69d381aaafc08190af475ef58dc16aba completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4d2ebd258819099fadddcd13099fc completed April 7, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69d71d2cc9c48190bc36f6a4f8144b7f completed April 9, 2026, 3:29 a.m.
Created at: April 6, 2026, 11:43 a.m.