Triple

T15403159

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ibach Park	`E368377`	entity
Predicate	operatedBy	`P86`	FINISHED
Object	Tualatin Parks and Recreation Department The Tualatin Parks and Recreation Department is the municipal agency responsible for managing and maintaining parks, natural areas, and recreational facilities and programs in Tualatin, Oregon.	`E1155274`	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: Tualatin Parks and Recreation Department | Statement: [Ibach Park, operatedBy, Tualatin Parks and Recreation Department]

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

Target entity: Tualatin Parks and Recreation Department
Context triple: [Ibach Park, operatedBy, Tualatin Parks and Recreation Department]

A. Tualatin Hills Park & Recreation District park system
The Tualatin Hills Park & Recreation District park system is a network of public parks, trails, and recreational facilities serving communities in and around Beaverton, Oregon.
B. Portland Parks & Recreation
Portland Parks & Recreation is the municipal bureau responsible for managing and maintaining the city of Portland’s parks, natural areas, and recreation programs.
C. North Clackamas Parks and Recreation District
North Clackamas Parks and Recreation District is a special parks and recreation agency in Clackamas County, Oregon, that manages and maintains local parks, natural areas, and community recreation facilities and programs.
D. Tualatin River Watershed Council
The Tualatin River Watershed Council is a collaborative, community-based group that works to protect, restore, and enhance the health and water quality of the Tualatin River watershed in Oregon.
E. Oregon Parks and Recreation Department
The Oregon Parks and Recreation Department is the state agency responsible for managing Oregon’s state parks, recreational programs, and heritage resources.
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: Tualatin Parks and Recreation Department
Triple: [Ibach Park, operatedBy, Tualatin Parks and Recreation Department]

Generated description

The Tualatin Parks and Recreation Department is the municipal agency responsible for managing and maintaining parks, natural areas, and recreational facilities and programs in Tualatin, Oregon.

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

Target entity: Tualatin Parks and Recreation Department
Target entity description: The Tualatin Parks and Recreation Department is the municipal agency responsible for managing and maintaining parks, natural areas, and recreational facilities and programs in Tualatin, Oregon.

A. Tualatin Hills Park & Recreation District park system
The Tualatin Hills Park & Recreation District park system is a network of public parks, trails, and recreational facilities serving communities in and around Beaverton, Oregon.
B. Portland Parks & Recreation
Portland Parks & Recreation is the municipal bureau responsible for managing and maintaining the city of Portland’s parks, natural areas, and recreation programs.
C. North Clackamas Parks and Recreation District
North Clackamas Parks and Recreation District is a special parks and recreation agency in Clackamas County, Oregon, that manages and maintains local parks, natural areas, and community recreation facilities and programs.
D. Tualatin River Watershed Council
The Tualatin River Watershed Council is a collaborative, community-based group that works to protect, restore, and enhance the health and water quality of the Tualatin River watershed in Oregon.
E. Oregon Parks and Recreation Department
The Oregon Parks and Recreation Department is the state agency responsible for managing Oregon’s state parks, recreational programs, and heritage resources.
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_69d85a16c68c819099c1b547fbc87b32`	completed	April 10, 2026, 2:01 a.m.
NER	Named-entity recognition	`batch_69e03e8ea0ac8190a5c68b1951ad3db1`	completed	April 16, 2026, 1:42 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ff13584f8881908b2527c51f85ae28`	completed	May 9, 2026, 10:58 a.m.
NEDg	Description generation	`batch_69ff145ac8e081908b075cee67e82aa3`	completed	May 9, 2026, 11:02 a.m.
NED2	Entity disambiguation (via description)	`batch_69ff1509e5a48190b69f1a44d793e07d`	completed	May 9, 2026, 11:05 a.m.

Created at: April 10, 2026, 3:19 a.m.