Triple

T21087964
Position Surface form Disambiguated ID Type / Status
Subject Walnut–Locust station E519553 entity
Predicate servesLine P839 FINISHED
Object Broad Street Line — 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: Broad Street Line | Statement: [Walnut–Locust station, servesLine, Broad Street Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broad Street Line
Context triple: [Walnut–Locust station, servesLine, Broad Street Line]
  • 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. Broad Street Extension
    Broad Street Extension is a segment of the Newark Light Rail system that connects Newark Penn Station with Newark Broad Street Station, enhancing transit access through downtown Newark, New Jersey.
  • C. Broad Street
    Broad Street is a historic thoroughfare in Salem, Massachusetts, known for bordering the Broad Street Cemetery and running through one of the city’s older residential areas.
  • D. Broad Street
    Broad Street is a major thoroughfare in Providence, Rhode Island, known for connecting diverse neighborhoods and providing access to key city landmarks and parks.
  • E. Broad Street
    Broad Street is a former elevated terminal station in Lower Manhattan that once served as the southern terminus for New York City's BMT Nassau Street Line J train.
  • 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_69e0b507dd9081908fb8bfcbef4c8b46 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7094cebe08190bb10f51a45c244ec completed April 21, 2026, 5:21 a.m.
Created at: April 16, 2026, 2:50 p.m.