Triple

T9087624
Position Surface form Disambiguated ID Type / Status
Subject Red Line (MBTA) E217798 entity
Predicate interchangeStationWith P15892 FINISHED
Object Ashmont station E107799 NE FINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Ashmont station | Statement: [Red Line (MBTA), interchangeStationWith, Ashmont station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ashmont station
Context triple: [Red Line (MBTA), interchangeStationWith, Ashmont station]
  • A. Ashmont station chosen
    Ashmont station is a major MBTA transit hub in Boston’s Dorchester neighborhood, serving as the southern terminus of the Red Line’s Ashmont branch and the connection point to the Mattapan trolley line.
  • B. Coolidge Corner station
    Coolidge Corner station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the busy commercial and residential Coolidge Corner neighborhood.
  • C. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • D. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • E. Chestnut Hill station
    Chestnut Hill station is a Massachusetts Bay Transportation Authority light rail stop on the Green Line serving the Chestnut Hill neighborhood of Newton, Massachusetts.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: interchangeStationWith
Context triple: [Red Line (MBTA), interchangeStationWith, Ashmont station]
  • A. interchangeStation chosen
    Indicates a station where passengers can transfer between different routes, lines, or modes of transportation.
  • B. replacedStation
    Indicates that one station has taken the place of another station, typically succeeding it in function, service, or location.
  • C. hasNearbyInterchange
    Indicates that one location has a transportation interchange (such as a junction or transfer point) situated close to it.
  • D. interchangeLocation
    Indicates a location where two or more routes, lines, or modes of transport connect, allowing passengers or goods to transfer between them.
  • E. switchesPlacesWith
    Indicates that two entities exchange their respective positions or roles with each other.
  • F. None of above.

Provenance (4 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca83d8ab5881909d8fddae363b32b1 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc965646408190b041ab0e2d5dbc94 completed April 1, 2026, 3:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69d02ffa9fb88190ab088be46b566ae8 completed April 3, 2026, 9:24 p.m.
PD Predicate disambiguation batch_69cc65fc7f408190a5846e29ab3b97e5 completed April 1, 2026, 12:25 a.m.
Created at: March 30, 2026, 7:13 p.m.