Triple

T20240484
Position Surface form Disambiguated ID Type / Status
Subject Hastings station E498273 entity
Predicate connectsTo P845 FINISHED
Object Boston’s South Station (via Framingham/Worcester Line) — 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’s South Station (via Framingham/Worcester Line) | Statement: [Hastings station, connectsTo, Boston’s South Station (via Framingham/Worcester Line)]

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’s South Station (via Framingham/Worcester Line)
Context triple: [Hastings station, connectsTo, Boston’s South Station (via Framingham/Worcester Line)]
  • A. Boston’s North Station (via Fitchburg Line)
    Boston’s North Station (via Fitchburg Line) is a major MBTA commuter rail terminal in Boston that serves as the downtown endpoint for the Fitchburg Line and several other northside rail routes.
  • B. MBTA Commuter Rail at South Station chosen
    MBTA Commuter Rail at South Station is the regional rail service hub in downtown Boston that provides commuter train connections between the city and surrounding suburbs and cities across Massachusetts and neighboring states.
  • C. Amtrak at South Station
    Amtrak at South Station is the intercity passenger rail service operating from Boston’s historic South Station, providing regional and long-distance train connections along the Northeast Corridor and beyond.
  • D. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • E. Fitchburg station
    Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
  • 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.