Triple

T5617741
Position Surface form Disambiguated ID Type / Status
Subject T Third Street E147519 entity
Predicate formerTerminus P388 FINISHED
Object Embarcadero Station E63546 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: Embarcadero Station | Statement: [T Third Street, formerTerminus, Embarcadero 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: Embarcadero Station
Context triple: [T Third Street, formerTerminus, Embarcadero Station]
  • A. Embarcadero station chosen
    Embarcadero station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro hub located at the eastern edge of downtown near the Ferry Building and the Embarcadero waterfront.
  • B. American Boulevard Station
    American Boulevard Station is a light rail stop on Metro Transit's Blue Line serving the Bloomington, Minnesota area near the Mall of America.
  • C. 38th Street Station
    38th Street Station is a light rail stop in Minneapolis, Minnesota, serving passengers on the METRO Blue Line.
  • D. Fairmount station
    Fairmount station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Boston’s Hyde Park neighborhood on the Fairmount Line.
  • E. Wynnefield Avenue station
    Wynnefield Avenue station is a regional rail stop in Philadelphia, Pennsylvania, served by SEPTA’s Cynwyd Line.
  • 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_69c00905d4588190bd967842bbcf2219 elicitation completed
NER batch_69c021dc04c081909f36e40394e7c955 ner completed
NED1 batch_69c04d55b95c8190a5f3e2c05249c136 ned_source_triple completed
Created at: March 22, 2026, 3:40 p.m.