Triple

T7382343
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Zone 1A E170289 entity
Predicate regionServed P82 FINISHED
Object Greater Boston E54 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: Greater Boston | Statement: [MBTA Commuter Rail Zone 1A, regionServed, Greater Boston]

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: Greater Boston
Context triple: [MBTA Commuter Rail Zone 1A, regionServed, Greater Boston]
  • A. Greater Boston chosen
    Greater Boston is the metropolitan region centered on the city of Boston, Massachusetts, encompassing numerous surrounding cities and towns and serving as a major hub for education, technology, and culture in New England.
  • B. Cape Cod metropolitan area
    The Cape Cod metropolitan area is a coastal region in southeastern Massachusetts known for its beaches, tourism-driven economy, and collection of small towns and villages.
  • C. Boston–Fall River corridor
    The Boston–Fall River corridor is a major transportation and economic region in southeastern Massachusetts linking the Greater Boston area with the city of Fall River and surrounding communities.
  • D. Providence–Warwick metropolitan area
    The Providence–Warwick metropolitan area is a major New England urban region centered on Providence, Rhode Island, and extending into surrounding communities in Rhode Island and southeastern Massachusetts.
  • E. Boston, Massachusetts
    Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
  • 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_69c68a5d0ed08190b6d361e68f813330 elicitation completed
NER batch_69c6f1c9a3c48190972126c19aa31dca ner completed
NED1 batch_69c810d9717c819099122cd64f9268fc ned_source_triple completed
Created at: March 27, 2026, 3:08 p.m.