Triple

T21684892
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill, Philadelphia, Pennsylvania, United States E535203 entity
Predicate hasRailStation P726 FINISHED
Object Chestnut Hill West station — NE NERFINISHED

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 West station | Statement: [Chestnut Hill, Philadelphia, Pennsylvania, United States, hasRailStation, Chestnut Hill West station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chestnut Hill West station
Context triple: [Chestnut Hill, Philadelphia, Pennsylvania, United States, hasRailStation, Chestnut Hill West station]
  • A. Chestnut Hill West station chosen
    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.
  • 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 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.
  • D. Chestnut Hill Avenue station
    Chestnut Hill Avenue station is a light rail stop on Boston’s MBTA Green Line serving the Brighton neighborhood near Cleveland Circle.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c469b6ec8190aee4cadd1527db91 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef96ca668481909f53853c7a8ea811 completed April 27, 2026, 5:03 p.m.
Created at: April 16, 2026, 6:44 p.m.