Triple

T886257
Position Surface form Disambiguated ID Type / Status
Subject Ashmont branch E19136 entity
Predicate connectsAtStation 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: [Ashmont branch, connectsAtStation, Ashmont station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ashmont station
Context triple: [Ashmont branch, connectsAtStation, 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. 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.
  • C. 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.
  • D. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • E. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • 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: connectsAtStation
Context triple: [Ashmont branch, connectsAtStation, Ashmont station]
  • A. usesTConnectorsAtStations
    Indicates that the subject employs T-shaped connectors at stations as part of its configuration or infrastructure.
  • B. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. startingStation
    Indicates the station or location where a journey, route, or trip begins.
  • D. terminusStation
    Indicates that a station serves as the final endpoint or terminal stop for a given route or service.
  • E. hasRailwayStation
    Indicates that a place or location is served by, or contains, a railway station.
  • F. None of above. chosen

Provenance (5 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_69a4939c32488190a7ccd41cf0abb22b completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ae787bf081909533082ca013624a completed March 1, 2026, 9:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad293209648190a380175f85d6efcc completed March 8, 2026, 7:45 a.m.
PD Predicate disambiguation batch_69a4aa8ff8c48190a33b00acf65c1276 completed March 1, 2026, 9:07 p.m.
PDg Predicate description generation batch_69a4ae774fac8190b3134d64086d65fe completed March 1, 2026, 9:24 p.m.
Created at: March 1, 2026, 7:39 p.m.