Triple

T2383614
Position Surface form Disambiguated ID Type / Status
Subject Broad Street Line E46366 entity
Predicate terminusNorth P3375 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, terminusNorth, 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, terminusNorth, 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. 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.
  • D. Chester Transportation Center
    Chester Transportation Center is a major multimodal transit hub in Chester, Pennsylvania, serving regional rail, bus, and other public transportation services.
  • E. Ogilvie Transportation Center
    Ogilvie Transportation Center is a major commuter rail terminal in downtown Chicago serving multiple Metra lines and connecting suburban riders to the city's central business district.
  • 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_69a88a1554a48190a0180682bcf099be completed March 4, 2026, 7:37 p.m.
NER Named-entity recognition batch_69abc7bafa248190a68e8f1e081f4817 completed March 7, 2026, 6:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69aea8b790bc8190ba399e252acec750 completed March 9, 2026, 11:02 a.m.
Created at: March 4, 2026, 7:57 p.m.