Triple

T9709221
Position Surface form Disambiguated ID Type / Status
Subject San Bruno Mountain E234978 entity
Predicate managingAuthority P9686 FINISHED
Object San Mateo County Parks Department E307463 NE FINISHED

How this triple was built (2 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: San Mateo County Parks Department | Statement: [San Bruno Mountain, managingAuthority, San Mateo County Parks Department]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Mateo County Parks Department
Context triple: [San Bruno Mountain, managingAuthority, San Mateo County Parks Department]
  • A. San Mateo County Parks Department chosen
    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. East Bay Regional Park District
    East Bay Regional Park District is a special regional agency that manages and preserves a large network of public parks, trails, and open spaces in the San Francisco Bay Area’s East Bay region.
  • D. Sacramento County Regional Parks
    Sacramento County Regional Parks is the county agency responsible for operating and maintaining Sacramento County’s system of regional parks, open spaces, and recreational facilities.
  • E. City of San José park system
    The City of San José park system is the municipal network of parks, open spaces, and recreational facilities managed by San José, California, encompassing neighborhood parks, regional parks, trails, and natural areas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca84cd8fa0819090a5e243ceb37003 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9da7c6188190b086f7e411378268 completed April 1, 2026, 10:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1bcc0117c8190bc82a985ce59623d completed April 5, 2026, 1:37 a.m.
Created at: March 30, 2026, 8:19 p.m.