Triple

T13089393
Position Surface form Disambiguated ID Type / Status
Subject Contra Costa Canal Trail E310419 entity
Predicate passesThrough P225 FINISHED
Object Martinez, California E93615 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: Martinez, California | Statement: [Contra Costa Canal Trail, passesThrough, 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: [Contra Costa Canal Trail, passesThrough, 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. 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.
  • C. 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.
  • D. 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.
  • E. San Carlos, California
    San Carlos, California is a small city on the San Francisco Peninsula known for its suburban charm, vibrant downtown, and role as a local transportation and business hub.
  • 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_69d806a733548190989cfd4ce981ca33 elicitation completed
NER batch_69d98138a1d481908a139f2f67eb3472 ner completed
NED1 batch_69f6d614704481908758cf8691a941ea ned_source_triple completed
Created at: April 9, 2026, 9:03 p.m.