Triple

T17716860
Position Surface form Disambiguated ID Type / Status
Subject North Concord/Martinez station E442221 entity
Predicate servesCommutersFrom P3745 FINISHED
Object Martinez, California 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: Martinez, California | Statement: [North Concord/Martinez station, servesCommutersFrom, Martinez, California]

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: Martinez, California
Context triple: [North Concord/Martinez station, servesCommutersFrom, Martinez, California]
  • A. 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.
  • B. La Mesa, California
    La Mesa, California is a suburban city in San Diego County known for its residential neighborhoods, historic downtown village, and proximity to the city of San Diego.
  • C. San Pablo, California
    San Pablo, California is a small, diverse city in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and major regional freeways.
  • D. San Lorenzo, California
    San Lorenzo, California is an unincorporated suburban community in Alameda County in the San Francisco Bay Area, known primarily as a residential area with convenient access to regional transportation routes.
  • E. Duarte, California
    Duarte, California is a small suburban city in Los Angeles County known for its location along historic Route 66 at the base of the San Gabriel Mountains.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa elicitation completed
NER batch_69e47481663c8190a1110385e5596ab0 ner completed
Created at: April 10, 2026, 10:06 a.m.