Triple

T11340460
Position Surface form Disambiguated ID Type / Status
Subject Essex Junction, Vermont E268580 entity
Predicate servedByRailLine P1293 FINISHED
Object Amtrak Vermonter E137381 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Amtrak Vermonter | Statement: [Essex Junction, Vermont, servedByRailLine, Amtrak Vermonter]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amtrak Vermonter
Context triple: [Essex Junction, Vermont, servedByRailLine, Amtrak Vermonter]
  • A. Amtrak Vermonter chosen
    Amtrak Vermonter is a daily intercity passenger train operated by Amtrak that runs between Washington, D.C., and St. Albans, Vermont, serving major cities along the Northeast Corridor and into northern New England.
  • B. Amtrak Ethan Allen Express
    The Amtrak Ethan Allen Express is an intercity passenger train service that operates between New York City and Vermont, providing a key rail connection through the Hudson Valley and upstate New York.
  • C. Amtrak Acela
    Amtrak Acela is Amtrak’s high-speed train service in the Northeast Corridor, offering its fastest and most premium intercity rail travel between major cities like Boston, New York, and Washington, D.C.
  • D. Amtrak Silver Star
    Amtrak Silver Star is a long-distance passenger train operated by Amtrak that runs between New York City and Miami, serving major cities along the U.S. East Coast.
  • E. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d6aacb1f0881908c84a349fd1be047 elicitation completed
NER batch_69d7ea01c6c08190910a6ce8fb7e186d ner completed
NED1 batch_69e55645d8bc8190b338c05ee382d5fc ned_source_triple completed
Created at: April 8, 2026, 9:33 p.m.