Triple

T12831422
Position Surface form Disambiguated ID Type / Status
Subject Philadelphia subway system E306795 entity
Predicate hasLine P35 FINISHED
Object Broad Street Line E46366 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: [Philadelphia subway system, hasLine, Broad Street Line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broad Street Line
Context triple: [Philadelphia subway system, hasLine, 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 (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdf52b94819096d6f0ba4ab50a98 elicitation completed
NER batch_69d96fb0bb208190bdc4d3dc7909be06 ner completed
NED1 batch_69f68ed8d20081908e0fb5262b354cab ned_source_triple completed
Created at: April 9, 2026, 5:34 p.m.