Triple

T12495555

Position	Surface form	Disambiguated ID	Type / Status
Subject	Shell Ridge Open Space	`E298674`	entity
Predicate	operator	`P179`	FINISHED
Object	City of Walnut Creek Open Space Division The City of Walnut Creek Open Space Division is a municipal agency responsible for managing and preserving Walnut Creek’s public open space areas, parks, and natural lands.	`E987541`	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 Walnut Creek Open Space Division | Statement: [Shell Ridge Open Space, operator, City of Walnut Creek Open Space Division]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: City of Walnut Creek Open Space Division
Context triple: [Shell Ridge Open Space, operator, City of Walnut Creek Open Space Division]

A. Palo Alto Open Space and Parks Division
The Palo Alto Open Space and Parks Division is a municipal department responsible for managing and preserving the city’s network of parks, open spaces, and natural preserves.
B. Midpeninsula Regional Open Space District
Midpeninsula Regional Open Space District is a public agency in California’s San Francisco Peninsula region that acquires and manages open space lands for conservation and recreation.
C. Los Altos Hills open space system
The Los Altos Hills open space system is a network of protected natural areas and recreational lands in Los Altos Hills, California, dedicated to preserving local landscapes and providing public access to trails and outdoor activities.
D. San Francisco Bay Area open space network
The San Francisco Bay Area open space network is a regional system of parks, preserves, and protected natural lands that conserves biodiversity and provides recreation across the greater Bay Area.
E. 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.
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 Walnut Creek Open Space Division
Triple: [Shell Ridge Open Space, operator, City of Walnut Creek Open Space Division]

Generated description

The City of Walnut Creek Open Space Division is a municipal agency responsible for managing and preserving Walnut Creek’s public open space areas, parks, and natural lands.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: City of Walnut Creek Open Space Division
Target entity description: The City of Walnut Creek Open Space Division is a municipal agency responsible for managing and preserving Walnut Creek’s public open space areas, parks, and natural lands.

A. Palo Alto Open Space and Parks Division
The Palo Alto Open Space and Parks Division is a municipal department responsible for managing and preserving the city’s network of parks, open spaces, and natural preserves.
B. Midpeninsula Regional Open Space District
Midpeninsula Regional Open Space District is a public agency in California’s San Francisco Peninsula region that acquires and manages open space lands for conservation and recreation.
C. Los Altos Hills open space system
The Los Altos Hills open space system is a network of protected natural areas and recreational lands in Los Altos Hills, California, dedicated to preserving local landscapes and providing public access to trails and outdoor activities.
D. San Francisco Bay Area open space network
The San Francisco Bay Area open space network is a regional system of parks, preserves, and protected natural lands that conserves biodiversity and provides recreation across the greater Bay Area.
E. 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.
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_69d6ada4cd388190ae3bbf83ff87057a`	completed	April 8, 2026, 7:33 p.m.
NER	Named-entity recognition	`batch_69d94df948308190ace333230a4a3b38`	completed	April 10, 2026, 7:22 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f64badad488190ae1c6c2883a88a4b`	completed	May 2, 2026, 7:08 p.m.
NEDg	Description generation	`batch_69f64f9c0e8c81908db3cad51daa77b6`	completed	May 2, 2026, 7:25 p.m.
NED2	Entity disambiguation (via description)	`batch_69f6504b033c8190a31f49f2e59c6810`	completed	May 2, 2026, 7:28 p.m.

Created at: April 8, 2026, 9:57 p.m.