Triple

T6158492
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Vermonter E137381 entity
Predicate trackOwner P347 FINISHED
Object Massachusetts Department of Transportation (some segments) E1203 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: Massachusetts Department of Transportation (some segments) | Statement: [Amtrak Vermonter, trackOwner, Massachusetts Department of Transportation (some segments)]

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: Massachusetts Department of Transportation (some segments)
Context triple: [Amtrak Vermonter, trackOwner, Massachusetts Department of Transportation (some segments)]
  • A. Massachusetts Department of Transportation chosen
    The Massachusetts Department of Transportation is the state agency responsible for planning, building, and maintaining Massachusetts’ transportation infrastructure, including highways, public transit, and other mobility systems.
  • B. Massachusetts Turnpike Authority
    The Massachusetts Turnpike Authority was a former state agency that operated and maintained the Massachusetts Turnpike and related transportation facilities before its functions were absorbed into the Massachusetts Department of Transportation.
  • C. Massachusetts state highway system
    The Massachusetts state highway system is the network of numbered state-maintained roads and highways that facilitates regional and statewide transportation across the Commonwealth of Massachusetts.
  • D. Maine Department of Transportation
    The Maine Department of Transportation is the state government agency responsible for planning, building, and maintaining Maine’s transportation infrastructure, including highways, bridges, and related facilities.
  • E. New Hampshire Department of Transportation
    The New Hampshire Department of Transportation is the state agency responsible for planning, building, and maintaining New Hampshire’s transportation infrastructure, including highways, bridges, and related facilities.
  • 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_69c008a54fc88190b6ce4416490ca79d elicitation completed
NER batch_69c05d32ef548190bc215d052d3497fe ner completed
NED1 batch_69c1419064a48190880005459c86322c ned_source_triple completed
Created at: March 22, 2026, 4:17 p.m.