Triple

T8365596
Position Surface form Disambiguated ID Type / Status
Subject Harvey Milk Plaza E197117 entity
Predicate partOf P40 FINISHED
Object San Francisco Municipal Railway network E23810 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: San Francisco Municipal Railway network | Statement: [Harvey Milk Plaza, partOf, San Francisco Municipal Railway network]

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: San Francisco Municipal Railway network
Context triple: [Harvey Milk Plaza, partOf, San Francisco Municipal Railway network]
  • A. East Bay streetcar network
    The East Bay streetcar network was an early 20th-century electric streetcar system serving cities across California’s East Bay, forming a key part of the region’s urban transit before the rise of buses and automobiles.
  • B. San Francisco Muni chosen
    San Francisco Muni is the primary public transportation system in San Francisco, operating the city’s network of buses, light rail, historic streetcars, and cable cars.
  • C. San Francisco Bay Area Rapid Transit District
    The San Francisco Bay Area Rapid Transit District is the public agency that plans, funds, and oversees the Bay Area’s regional BART rail transit system.
  • D. San Francisco cable car system
    The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
  • E. San Francisco Bay Area transit network
    The San Francisco Bay Area transit network is an interconnected system of buses, trains, ferries, and light rail services spanning multiple counties around the San Francisco Bay.
  • 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_69ca82f2dbe48190aba982e75a0d94de elicitation completed
NER batch_69cb808bc22481909ce2f8b48cc95806 ner completed
NED1 batch_69cef2d359208190bdeb494e090920ea ned_source_triple completed
Created at: March 30, 2026, 6 p.m.