Triple

T16586595
Position Surface form Disambiguated ID Type / Status
Subject Natick Center station E402972 entity
Predicate zone P2160 FINISHED
Object MBTA Zone 4
MBTA Zone 4 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers suburban stations located a moderate distance from downtown Boston, such as Natick Center.
 E1221706 NE FINISHED

Disambiguation candidates (2 decisions)

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: MBTA Zone 4
Context triple: [Natick Center station, zone, MBTA Zone 4]
  • A. MBTA Zone 1
    MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
  • B. MBTA Commuter Rail Zone 6
    MBTA Commuter Rail Zone 6 is a fare zone in the Greater Boston regional rail system used to determine ticket prices for trips between outer suburban stations and central Boston.
  • C. MBTA Commuter Rail Zone 1A
    MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
  • D. MBTA Fairmount Line
    The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
  • E. MBTA Mattapan Line
    The MBTA Mattapan Line is a light rail trolley service in the Boston area that operates historic streetcars between Ashmont Station and Mattapan, serving neighborhoods in Boston and Milton.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MBTA Zone 4
Target entity description: MBTA Zone 4 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers suburban stations located a moderate distance from downtown Boston, such as Natick Center.
  • A. MBTA Zone 1
    MBTA Zone 1 is a commuter rail fare zone in the Massachusetts Bay Transportation Authority system that covers near-suburban stations just outside central Boston.
  • B. MBTA Commuter Rail Zone 6
    MBTA Commuter Rail Zone 6 is a fare zone in the Greater Boston regional rail system used to determine ticket prices for trips between outer suburban stations and central Boston.
  • C. MBTA Commuter Rail Zone 1A
    MBTA Commuter Rail Zone 1A is the innermost fare zone of the Boston-area commuter rail system, covering central city stations with the lowest commuter rail fares.
  • D. MBTA Fairmount Line
    The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
  • E. MBTA Mattapan Line
    The MBTA Mattapan Line is a light rail trolley service in the Boston area that operates historic streetcars between Ashmont Station and Mattapan, serving neighborhoods in Boston and Milton.
  • F. None of above. chosen

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d88387363c8190a97a0c942130de97 elicitation completed
NER batch_69e3599cbc448190bc80eef4ad58eb41 ner completed
NED1 batch_6a006ef4f17c819095b3c6f8644b687b ned_source_triple completed
NED2 batch_6a0070bb150881908f9d62b3ba2f4b1d ned_description completed
NEDg batch_6a006fd574a4819099d12f36addaca24 nedg completed
Created at: April 10, 2026, 5:16 a.m.