Triple

T20712138
Position Surface form Disambiguated ID Type / Status
Subject Palo Alto Open Space and Parks Division E509073 entity
Predicate oversees P46 FINISHED
Object Pearson–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: Pearson–Arastradero Preserve | Statement: [Palo Alto Open Space and Parks Division, oversees, Pearson–Arastradero Preserve]

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: Pearson–Arastradero Preserve
Context triple: [Palo Alto Open Space and Parks Division, oversees, Pearson–Arastradero Preserve]
  • A. Arastradero Preserve chosen
    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.
  • 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. Johnson Nature Preserve
    Johnson Nature Preserve is a small natural area in Montgomery, Ohio, featuring wooded trails and local wildlife habitat for passive outdoor recreation.
  • D. Franklin Parker Preserve
    Franklin Parker Preserve is a large nature preserve in New Jersey known for its protected Pine Barrens habitats, extensive wetlands, and network of hiking trails and wildlife viewing areas.
  • E. Robinson Preserve
    Robinson Preserve is a coastal nature preserve in Manatee County, Florida, known for its mangrove habitats, hiking and paddling trails, and wildlife viewing opportunities.
  • 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_69e6c1ce84e48190922db93ed4b5d21b ner completed
Created at: April 16, 2026, 12:15 p.m.