Triple

T23051420
Position Surface form Disambiguated ID Type / Status
Subject Amtrak at South Station E574023 entity
Predicate hubFor P423 FINISHED
Object Acela — 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: Acela | Statement: [Amtrak at South Station, hubFor, Acela]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Acela
Context triple: [Amtrak at South Station, hubFor, Acela]
  • A. Acela chosen
    Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
  • B. Amtrak Crescent
    Amtrak Crescent is a long-distance passenger train operated by Amtrak that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
  • C. Carolinian (Amtrak train)
    The Carolinian is a daily Amtrak passenger train that operates between Charlotte, North Carolina, and New York City, serving major cities along the East Coast.
  • D. Amtrak Montrealer
    The Amtrak Montrealer was a former overnight passenger train that operated between Washington, D.C., and Montreal, providing cross-border service through New England before its discontinuation and replacement by the Vermonter.
  • E. Amtrak Sunset Limited
    The Amtrak Sunset Limited is a long-distance passenger train route that runs between the American South and West, offering overnight service with Superliner bi-level cars.
  • 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_69e245ba7ae48190be606dbc54120e39 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1867d010c8190bc5dba6758d0b797 completed April 29, 2026, 4:18 a.m.
Created at: April 17, 2026, 3:54 p.m.