Triple

T7449876
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill Reservoir E171979 entity
Predicate hasTransportationAccess P1298 FINISHED
Object Chestnut Hill Avenue station E652013 NE FINISHED

How this triple was built (2 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: Chestnut Hill Avenue station | Statement: [Chestnut Hill Reservoir, hasTransportationAccess, Chestnut Hill Avenue station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chestnut Hill Avenue station
Context triple: [Chestnut Hill Reservoir, hasTransportationAccess, Chestnut Hill Avenue station]
  • A. Chestnut Hill Avenue station chosen
    Chestnut Hill Avenue station is a light rail stop on Boston’s MBTA Green Line serving the Brighton neighborhood near Cleveland Circle.
  • B. Chestnut Hill East station
    Chestnut Hill East station is a SEPTA Regional Rail station in Philadelphia serving as the northern endpoint of the Chestnut Hill East Line.
  • C. Chestnut Hill West station
    Chestnut Hill West station is a SEPTA Regional Rail station in the Chestnut Hill neighborhood of Philadelphia serving as the northern endpoint of the Chestnut Hill West Line.
  • 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. Allston Street station
    Allston Street station is a light rail stop on Boston's MBTA Green Line serving the Allston neighborhood along Commonwealth Avenue.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c68a66554c8190add75c65942c0317 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f38af3fc8190bc5c57ca89d976bc completed March 27, 2026, 9:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83455d84c8190bd129fda0813dc56 completed March 28, 2026, 8:04 p.m.
Created at: March 27, 2026, 3:14 p.m.