Triple

T12018

Position	Surface form	Disambiguated ID	Type / Status
Subject	Sierra Nevada	`E245`	entity
Predicate	hasProtectedArea	`P855`	FINISHED
Object	Tahoe National Forest Tahoe National Forest is a large U.S. national forest in the northern Sierra Nevada of California, known for its alpine landscapes, extensive recreation opportunities, and diverse wildlife habitats.	`E18372`	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: Tahoe National Forest | Statement: [Sierra Nevada, hasProtectedArea, Tahoe National Forest]

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

Target entity: Tahoe National Forest
Context triple: [Sierra Nevada, hasProtectedArea, Tahoe National Forest]

A. Sierra National Forest
Sierra National Forest is a large U.S. national forest in California’s Sierra Nevada known for its rugged mountain landscapes, dense conifer forests, and extensive outdoor recreation opportunities.
B. Inyo National Forest
Inyo National Forest is a vast protected area in eastern California known for its dramatic Sierra Nevada landscapes, including high peaks, ancient bristlecone pine forests, and popular outdoor recreation opportunities.
C. Stanislaus National Forest
Stanislaus National Forest is a large, federally managed forest in California known for its rugged Sierra Nevada landscapes, extensive recreation opportunities, and diverse wildlife habitats.
D. Eldorado National Forest
Eldorado National Forest is a large U.S. national forest in California known for its mountainous terrain, extensive conifer forests, and popular outdoor recreation opportunities such as hiking, camping, and skiing.
E. Mount Hood National Forest
Mount Hood National Forest is a vast federally managed forest in northern Oregon centered around the volcanic peak of Mount Hood, offering extensive outdoor recreation, scenic drives, and diverse mountain and forest ecosystems.
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: Tahoe National Forest
Triple: [Sierra Nevada, hasProtectedArea, Tahoe National Forest]

Generated description

Tahoe National Forest is a large U.S. national forest in the northern Sierra Nevada of California, known for its alpine landscapes, extensive recreation opportunities, and diverse wildlife habitats.

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

Target entity: Tahoe National Forest
Target entity description: Tahoe National Forest is a large U.S. national forest in the northern Sierra Nevada of California, known for its alpine landscapes, extensive recreation opportunities, and diverse wildlife habitats.

A. Sierra National Forest
Sierra National Forest is a large U.S. national forest in California’s Sierra Nevada known for its rugged mountain landscapes, dense conifer forests, and extensive outdoor recreation opportunities.
B. Inyo National Forest
Inyo National Forest is a vast protected area in eastern California known for its dramatic Sierra Nevada landscapes, including high peaks, ancient bristlecone pine forests, and popular outdoor recreation opportunities.
C. Stanislaus National Forest
Stanislaus National Forest is a large, federally managed forest in California known for its rugged Sierra Nevada landscapes, extensive recreation opportunities, and diverse wildlife habitats.
D. Eldorado National Forest
Eldorado National Forest is a large U.S. national forest in California known for its mountainous terrain, extensive conifer forests, and popular outdoor recreation opportunities such as hiking, camping, and skiing.
E. Mount Hood National Forest
Mount Hood National Forest is a vast federally managed forest in northern Oregon centered around the volcanic peak of Mount Hood, offering extensive outdoor recreation, scenic drives, and diverse mountain and forest ecosystems.
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_69a23d7ad88c8190bffe8ab091d86642`	completed	Feb. 28, 2026, 12:57 a.m.
NER	Named-entity recognition	`batch_69a2465b2cf881908bf61c461e04cf6a`	completed	Feb. 28, 2026, 1:35 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a2c93548988190a7514e0cc2df0de4`	completed	Feb. 28, 2026, 10:53 a.m.
NEDg	Description generation	`batch_69a2c9b112288190b081ef6ca567e594`	completed	Feb. 28, 2026, 10:55 a.m.
NED2	Entity disambiguation (via description)	`batch_69a2ca31ebd4819082c59d25a46f872d`	completed	Feb. 28, 2026, 10:57 a.m.

Created at: Feb. 28, 2026, 1:02 a.m.