Triple

T12338464
Position Surface form Disambiguated ID Type / Status
Subject 57th Street Beach E294154 entity
Predicate operatedBy P86 FINISHED
Object Chicago Park District E11192 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: Chicago Park District | Statement: [57th Street Beach, operatedBy, Chicago Park District]

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: Chicago Park District
Context triple: [57th Street Beach, operatedBy, Chicago Park District]
  • A. Chicago Park District chosen
    The Chicago Park District is the municipal agency responsible for managing Chicago’s extensive system of public parks, recreational facilities, and open spaces.
  • B. Chicago Ridge Park District
    Chicago Ridge Park District is the local government agency that manages parks, recreational facilities, and community programs for residents of Chicago Ridge, Illinois.
  • C. Wilmette Park District
    The Wilmette Park District is the local government agency that manages parks, recreational facilities, and community programs for residents of Wilmette, Illinois.
  • D. Schaumburg Park District
    Schaumburg Park District is a local government agency in Schaumburg, Illinois, that manages parks, recreational facilities, and community programs for area residents.
  • E. Park District of Oak Park
    The Park District of Oak Park is the local government agency responsible for managing and maintaining parks, recreational facilities, and community programs in Oak Park, Illinois.
  • 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_69d6ab6ae0dc8190b1522a9c1c55c114 elicitation completed
NER batch_69d93f678698819091462b44ff3435f6 ner completed
NED1 batch_69f62a9b8ef88190bce122f1b1800cd4 ned_source_triple completed
Created at: April 8, 2026, 9:53 p.m.