Triple

T20712137
Position Surface form Disambiguated ID Type / Status
Subject Palo Alto Open Space and Parks Division E509073 entity
Predicate oversees P46 FINISHED
Object Arastradero Preserve 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: Arastradero Preserve | Statement: [Palo Alto Open Space and Parks Division, oversees, Arastradero Preserve]

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: Arastradero Preserve
Context triple: [Palo Alto Open Space and Parks Division, oversees, Arastradero Preserve]
  • A. Tackapausha Preserve
    Tackapausha Preserve is a public nature preserve and wildlife sanctuary on Long Island known for its wooded trails, ponds, and environmental education center.
  • B. Holliday Nature Preserve
    Holliday Nature Preserve is a wooded natural area and trail system in Westland, Michigan, offering hiking, wildlife viewing, and outdoor recreation along the Rouge River.
  • C. Santanoni Preserve
    Santanoni Preserve is a large protected tract in New York’s Adirondack Mountains that encompasses historic Great Camp Santanoni and surrounding wilderness lands.
  • D. Mashomack Preserve
    Mashomack Preserve is a large, scenic nature reserve on Shelter Island, New York, known for its extensive coastal habitats, hiking trails, and diverse wildlife.
  • E. Macricostas Preserve
    Macricostas Preserve is a scenic nature preserve in Washington, Connecticut, known for its hiking trails, open meadows, and panoramic views of the surrounding countryside.
  • 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: Arastradero Preserve
Target entity description: Arastradero Preserve is a protected open space in Palo Alto, California, known for its rolling grasslands, oak woodlands, and extensive network of hiking, biking, and equestrian trails.
  • A. Tackapausha Preserve
    Tackapausha Preserve is a public nature preserve and wildlife sanctuary on Long Island known for its wooded trails, ponds, and environmental education center.
  • B. Holliday Nature Preserve
    Holliday Nature Preserve is a wooded natural area and trail system in Westland, Michigan, offering hiking, wildlife viewing, and outdoor recreation along the Rouge River.
  • C. Santanoni Preserve
    Santanoni Preserve is a large protected tract in New York’s Adirondack Mountains that encompasses historic Great Camp Santanoni and surrounding wilderness lands.
  • D. Mashomack Preserve
    Mashomack Preserve is a large, scenic nature reserve on Shelter Island, New York, known for its extensive coastal habitats, hiking trails, and diverse wildlife.
  • E. Macricostas Preserve
    Macricostas Preserve is a scenic nature preserve in Washington, Connecticut, known for its hiking trails, open meadows, and panoramic views of the surrounding countryside.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4c40ad88190b81f77695366d328 elicitation completed
NER batch_69e6c1ce84e48190922db93ed4b5d21b ner completed
Created at: April 16, 2026, 12:15 p.m.