Triple

T16501484
Position Surface form Disambiguated ID Type / Status
Subject Heron’s Head Park wetlands E400809 entity
Predicate managedBy P86 FINISHED
Object San Francisco Recreation and Park Department E20563 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: San Francisco Recreation and Park Department | Statement: [Heron’s Head Park wetlands, managedBy, San Francisco Recreation and Park Department]

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: San Francisco Recreation and Park Department
Context triple: [Heron’s Head Park wetlands, managedBy, San Francisco Recreation and Park Department]
  • A. San Francisco Recreation and Parks Department chosen
    The San Francisco Recreation and Parks Department is the municipal agency responsible for operating and maintaining the city’s public parks, recreational facilities, and open spaces.
  • B. San Francisco Department of Public Works
    The San Francisco Department of Public Works is the city agency responsible for maintaining and improving San Francisco’s public infrastructure, including streets, sidewalks, public buildings, and related services.
  • C. San Francisco Department of the Environment
    The San Francisco Department of the Environment is a city agency responsible for developing and implementing policies and programs to promote environmental sustainability, climate action, and resource conservation in San Francisco.
  • D. San Francisco Human Services Agency
    The San Francisco Human Services Agency is the city and county’s primary public agency responsible for delivering social services and safety net programs to low-income, vulnerable, and at-risk residents.
  • E. San Francisco Tourism Improvement District Management Corporation
    The San Francisco Tourism Improvement District Management Corporation is a nonprofit organization that oversees tourism-related initiatives and facilities in San Francisco, including the city’s primary convention and exhibition venues.
  • 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_69d88381f6148190819958a038be990e elicitation completed
NER batch_69e32e4f7b7c8190adb5a113f798484f ner completed
NED1 batch_6a00607e933c8190ae0572583b5a9cbf ned_source_triple completed
Created at: April 10, 2026, 5:14 a.m.