Triple

T10121069
Position Surface form Disambiguated ID Type / Status
Subject Tilden Regional Park E223288 entity
Predicate partOf P40 FINISHED
Object East Bay Regional Park District system E430449 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: East Bay Regional Park District system | Statement: [Tilden Regional Park, partOf, East Bay Regional Park District system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Bay Regional Park District system
Context triple: [Tilden Regional Park, partOf, East Bay Regional Park District system]
  • A. East Bay Regional Park District chosen
    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.
  • B. Oakland parks system
    The Oakland parks system is the network of public parks, open spaces, and recreational facilities managed by the City of Oakland, providing residents with green space, trails, and community amenities across the urban landscape.
  • C. San Francisco park system
    The San Francisco park system is the network of public parks, open spaces, and recreational areas managed by the city of San Francisco, known for its diverse landscapes, iconic views, and extensive urban green spaces.
  • D. 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.
  • E. 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.
  • 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_69ca8422047c81909d66b717b8b18cf3 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cdd266b18c8190b35fe637c912e756 completed April 2, 2026, 2:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2e5b6101081909c97956591b01af9 completed April 5, 2026, 10:44 p.m.
Created at: March 30, 2026, 9:04 p.m.