Triple

T19009613
Position Surface form Disambiguated ID Type / Status
Subject Alhambra Creek E465184 entity
Predicate managedBy P86 FINISHED
Object City of Martinez NE NERFINISHED

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: City of Martinez | Statement: [Alhambra Creek, managedBy, City of Martinez]

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: City of Martinez
Context triple: [Alhambra Creek, managedBy, City of Martinez]
  • A. City of Santa Cruz
    The City of Santa Cruz is a coastal California city known for its beaches, historic boardwalk amusement park, and vibrant surf and university culture.
  • B. City of Santa Clara
    The City of Santa Clara is a municipality in California’s Silicon Valley known for its technology companies, Levi’s Stadium, and proximity to major Bay Area hubs.
  • C. City of Santa Rosa
    The City of Santa Rosa is a municipal government in Sonoma County, California, responsible for providing local services, administration, and public facilities to the residents of Santa Rosa.
  • D. Martinez, California chosen
    Martinez, California is a historic waterfront city in the San Francisco Bay Area known as the county seat of Contra Costa County and for its role as a regional rail and transportation hub.
  • E. City of San Mateo
    The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8dd025c188190a1d81f5b4ec7e2c6 elicitation completed
NER batch_69e5d6a72aa88190a04f13cd14ee77d4 ner completed
Created at: April 10, 2026, 12:02 p.m.