Triple

T10359748
Position Surface form Disambiguated ID Type / Status
Subject Central Park (San Mateo) E244101 entity
Predicate operator P179 FINISHED
Object City of San Mateo Parks and Recreation Department
The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
E858637 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: City of San Mateo Parks and Recreation Department | Statement: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: City of San Mateo Parks and Recreation Department
Context triple: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
  • A. San Mateo County Parks Department
    The San Mateo County Parks Department is the local government agency responsible for managing and maintaining San Mateo County’s system of regional parks, trails, and recreation areas.
  • B. Santa Clara County Parks and Recreation Department
    Santa Clara County Parks and Recreation Department is the county agency responsible for managing and maintaining Santa Clara County’s regional parks, open spaces, and recreational facilities.
  • C. San Francisco Recreation and Parks Department
    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.
  • D. City of San Mateo
    The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
  • E. City/County Association of Governments of San Mateo County
    The City/County Association of Governments of San Mateo County is a regional governmental body that coordinates transportation, land use, and environmental planning among the cities and the county within San Mateo County, California.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: City of San Mateo Parks and Recreation Department
Triple: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
Generated description
The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: City of San Mateo Parks and Recreation Department
Target entity description: The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
  • A. San Mateo County Parks Department
    The San Mateo County Parks Department is the local government agency responsible for managing and maintaining San Mateo County’s system of regional parks, trails, and recreation areas.
  • B. Santa Clara County Parks and Recreation Department
    Santa Clara County Parks and Recreation Department is the county agency responsible for managing and maintaining Santa Clara County’s regional parks, open spaces, and recreational facilities.
  • C. San Francisco Recreation and Parks Department
    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.
  • D. City of San Mateo
    The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
  • E. City/County Association of Governments of San Mateo County
    The City/County Association of Governments of San Mateo County is a regional governmental body that coordinates transportation, land use, and environmental planning among the cities and the county within San Mateo County, California.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9609c4481908b7d72ecf1adaa73 completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d750b6ef248190bdbe16bbb8efcf88 completed April 9, 2026, 7:09 a.m.
NEDg Description generation batch_69d7618ecb748190a492406eabe590d7 completed April 9, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69d77057affc8190b420e66560c3dfbd completed April 9, 2026, 9:24 a.m.
Created at: April 6, 2026, 11:59 a.m.