Triple

T5736188
Position Surface form Disambiguated ID Type / Status
Subject Muni Metro N Judah line E126508 entity
Predicate hasStop P17789 FINISHED
Object Powell Street station E371034 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: Powell Street station | Statement: [Muni Metro N Judah line, hasStop, Powell Street station]

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: Powell Street station
Context triple: [Muni Metro N Judah line, hasStop, Powell Street station]
  • A. Powell Street BART/Muni station chosen
    Powell Street BART/Muni station is a major underground transit hub in downtown San Francisco serving both BART regional rail and Muni Metro light rail lines near the Union Square and Market Street area.
  • B. Powell Street terminal
    Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
  • C. Pioneer Courthouse Square station
    Pioneer Courthouse Square station is a central downtown Portland MAX Light Rail stop serving multiple lines adjacent to the city’s main public square.
  • D. Montgomery Street station
    Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
  • E. Pioneer Courthouse/Southwest 6th Avenue MAX station
    Pioneer Courthouse/Southwest 6th Avenue MAX station is a light rail stop in downtown Portland, Oregon, serving multiple MAX lines near the historic Pioneer Courthouse and Pioneer Courthouse Square.
  • 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_69c0083082288190b7478cead6b5430a elicitation completed
NER batch_69c0255ad6f48190977bf4f037110aa3 ner completed
NED1 batch_69c097f372a08190b4e9d52ba138d872 ned_source_triple completed
Created at: March 22, 2026, 3:47 p.m.