Triple

T15875006
Position Surface form Disambiguated ID Type / Status
Subject Broad Street Line local trains E384929 entity
Predicate connectsAtStation P21403 FINISHED
Object Fern Rock Transportation Center E66824 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: Fern Rock Transportation Center | Statement: [Broad Street Line local trains, connectsAtStation, Fern Rock Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fern Rock Transportation Center
Context triple: [Broad Street Line local trains, connectsAtStation, Fern Rock Transportation Center]
  • A. Fern Rock Transportation Center chosen
    Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
  • B. Arrott Transportation Center
    Arrott Transportation Center is a major public transit hub in Philadelphia that serves as an important connection point for subway and bus routes in the city’s Frankford neighborhood.
  • C. Saco Transportation Center
    Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
  • D. Darby Transportation Center
    Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
  • E. Chester Transportation Center
    Chester Transportation Center is a major multimodal transit hub in Chester, Pennsylvania, serving regional rail, bus, and other public transportation services.
  • 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e155fcffbc8190ba6d133107b83a7f completed April 16, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa94e9b548190bec74e6d9790d241 completed May 9, 2026, 9:38 p.m.
Created at: April 10, 2026, 4:51 a.m.