Triple

T20712115
Position Surface form Disambiguated ID Type / Status
Subject Palo Alto Open Space and Parks Division E509073 entity
Predicate manages P86 FINISHED
Object Palo Alto park system — 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: Palo Alto park system | Statement: [Palo Alto Open Space and Parks Division, manages, Palo Alto park system]

Disambiguation candidates (2 decisions)

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: Palo Alto park system
Context triple: [Palo Alto Open Space and Parks Division, manages, Palo Alto park system]
  • A. El Palo Alto Park
    El Palo Alto Park is a small historic park in Palo Alto, California, best known as the riverside home of the iconic El Palo Alto redwood tree that gave the city its name.
  • B. City of San José park system
    The City of San José park system is the municipal network of parks, open spaces, and recreational facilities managed by San José, California, encompassing neighborhood parks, regional parks, trails, and natural areas.
  • C. San Bruno City Park
    San Bruno City Park is a community park in San Bruno, California, featuring open green spaces, sports facilities, and recreational amenities for local residents and visitors.
  • D. Moraga Commons Park
    Moraga Commons Park is a popular community park in Moraga, California, known for its open green spaces, playgrounds, picnic areas, and seasonal concerts and events.
  • E. Emeryville Park
    Emeryville Park was a historic minor league baseball stadium in Emeryville, California, best known as the longtime home of the Pacific Coast League’s Oakland Oaks.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Palo Alto park system
Target entity description: The Palo Alto park system is a network of city parks and open spaces in Palo Alto, California, offering residents and visitors recreational areas, trails, and natural habitats.
  • A. El Palo Alto Park
    El Palo Alto Park is a small historic park in Palo Alto, California, best known as the riverside home of the iconic El Palo Alto redwood tree that gave the city its name.
  • B. City of San José park system
    The City of San José park system is the municipal network of parks, open spaces, and recreational facilities managed by San José, California, encompassing neighborhood parks, regional parks, trails, and natural areas.
  • C. San Bruno City Park
    San Bruno City Park is a community park in San Bruno, California, featuring open green spaces, sports facilities, and recreational amenities for local residents and visitors.
  • D. Moraga Commons Park
    Moraga Commons Park is a popular community park in Moraga, California, known for its open green spaces, playgrounds, picnic areas, and seasonal concerts and events.
  • E. Emeryville Park
    Emeryville Park was a historic minor league baseball stadium in Emeryville, California, best known as the longtime home of the Pacific Coast League’s Oakland Oaks.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4c40ad88190b81f77695366d328 elicitation completed
NER batch_69e6c1cdcaac8190b9ba82d489fb3bfc ner completed
Created at: April 16, 2026, 12:15 p.m.