Triple

T3394094
Position Surface form Disambiguated ID Type / Status
Subject MBTA Ashmont Branch E71486 entity
Predicate connectionAvailableAt P21403 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: [MBTA Ashmont Branch, connectionAvailableAt, Ashmont station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ashmont station
Context triple: [MBTA Ashmont Branch, connectionAvailableAt, 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. 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.
  • C. 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.
  • D. 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.
  • E. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • 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: connectionAvailableAt
Context triple: [MBTA Ashmont Branch, connectionAvailableAt, Ashmont station]
  • A. connectsWithin
    Indicates that one entity establishes a connection or link between elements that lie inside the bounds or scope of another entity.
  • B. connectionTo
    Indicates a relationship in which one entity is linked, associated, or otherwise related to another entity.
  • C. connectsState
    Indicates a relationship where one entity serves as a link or conduit between different states, conditions, or statuses of another entity.
  • D. availableOnlineAt
    Indicates that something can be accessed or obtained via a specified online source or location.
  • E. connectsAtStation chosen
    Indicates that one transportation service or route links to another at a specific station, allowing passengers to transfer between them there.
  • 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_69ad85a9c4a88190a854019341cb3b60 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb853746c8190bfa1447e6ebbefb3 completed March 8, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69b367f0913c8190b0c45174011bec3b completed March 13, 2026, 1:27 a.m.
PD Predicate disambiguation batch_69adadf705608190975423779430cc58 completed March 8, 2026, 5:12 p.m.
Created at: March 8, 2026, 3:14 p.m.