Triple

T20240473
Position Surface form Disambiguated ID Type / Status
Subject Hastings station E498273 entity
Predicate partOfCorridor P840 FINISHED
Object Boston–Worcester rail corridor — NE NERFINISHED

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: Boston–Worcester rail corridor | Statement: [Hastings station, partOfCorridor, Boston–Worcester rail corridor]

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: Boston–Worcester rail corridor
Context triple: [Hastings station, partOfCorridor, Boston–Worcester rail corridor]
  • A. Boston–Haverhill rail corridor
    The Boston–Haverhill rail corridor is a commuter and intercity rail line in Massachusetts that connects Boston with the city of Haverhill, serving numerous suburban communities along the route.
  • B. Boston–Albany rail corridor chosen
    The Boston–Albany rail corridor is a key east–west passenger and freight rail route linking Boston, Massachusetts with Albany, New York across the heart of New England.
  • C. Boston–Concord main line
    The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
  • D. Boston–Portland main line
    The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
  • E. Framingham/Worcester Line
    The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da6274c58c81909c646eabed6f4f30 elicitation completed
NER batch_69e6716dd0b081909d4063150cdc0c02 ner completed
Created at: April 11, 2026, 11:40 p.m.