Triple

T20712116
Position Surface form Disambiguated ID Type / Status
Subject Palo Alto Open Space and Parks Division E509073 entity
Predicate manages P86 FINISHED
Object Palo Alto open space preserves — 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 open space preserves | Statement: [Palo Alto Open Space and Parks Division, manages, Palo Alto open space preserves]

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: Palo Alto open space preserves
Context triple: [Palo Alto Open Space and Parks Division, manages, Palo Alto open space preserves]
  • A. Palo Alto Open Space and Parks Division chosen
    The Palo Alto Open Space and Parks Division is a municipal department responsible for managing and preserving the city’s network of parks, open spaces, and natural preserves.
  • B. Los Altos Hills open space system
    The Los Altos Hills open space system is a network of protected natural areas and recreational lands in Los Altos Hills, California, dedicated to preserving local landscapes and providing public access to trails and outdoor activities.
  • C. San Francisco Bay Area open space network
    The San Francisco Bay Area open space network is a regional system of parks, preserves, and protected natural lands that conserves biodiversity and provides recreation across the greater Bay Area.
  • D. 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.
  • E. Santa Cruz Mountains regional open space network
    The Santa Cruz Mountains regional open space network is a connected system of protected parks, preserves, and natural lands spanning the Santa Cruz Mountains to conserve wildlife habitat, watersheds, and recreational open space.
  • 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_69e0b4c40ad88190b81f77695366d328 elicitation completed
NER batch_69e6c1cdcaac8190b9ba82d489fb3bfc ner completed
Created at: April 16, 2026, 12:15 p.m.