Triple

T2930388
Position Surface form Disambiguated ID Type / Status
Subject City Hall station (SEPTA) E78946 entity
Predicate servesLine P839 FINISHED
Object Broad Street Line local tracks E46366 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: Broad Street Line local tracks | Statement: [City Hall station (SEPTA), servesLine, Broad Street Line local tracks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broad Street Line local tracks
Context triple: [City Hall station (SEPTA), servesLine, Broad Street Line local tracks]
  • A. Broad Street Line chosen
    The Broad Street Line is a major north–south rapid transit subway line in Philadelphia operated by SEPTA, running primarily beneath Broad Street and serving key downtown and neighborhood destinations.
  • B. Fulton Street Line
    The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
  • C. Broad Street Line subway cars
    Broad Street Line subway cars are the rapid transit vehicles used on Philadelphia's Broad Street Line, designed for high-capacity urban subway service.
  • D. New Lots Line
    The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
  • E. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • 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_69ad8b0d40b481908bc2a5fa2e73c3fb completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad980191388190ac2455a7d9867be3 completed March 8, 2026, 3:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b086703868819083eacc3fe392fde1 completed March 10, 2026, 9 p.m.
Created at: March 8, 2026, 2:55 p.m.