Triple

T11306641

Position	Surface form	Disambiguated ID	Type / Status
Subject	Novato, California	`E267730`	entity
Predicate	hasOpenSpace	`P5611`	FINISHED
Object	Mount Burdell Open Space Preserve Mount Burdell Open Space Preserve is a protected natural area in Marin County known for its hiking trails, rolling grasslands, and diverse wildlife habitat on the slopes of Mount Burdell.	`E917088`	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: Mount Burdell Open Space Preserve | Statement: [Novato, California, hasOpenSpace, Mount Burdell Open Space Preserve]

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

Target entity: Mount Burdell Open Space Preserve
Context triple: [Novato, California, hasOpenSpace, Mount Burdell Open Space Preserve]

A. Mount Veeder Open Space Preserve
Mount Veeder Open Space Preserve is a protected natural area in Napa County, California, known for its forested mountain terrain, hiking trails, and conservation of local wildlife and watersheds.
B. Ring Mountain Open Space Preserve
Ring Mountain Open Space Preserve is a protected natural area in Marin County, California, known for its unique serpentine geology, rare wildflowers, Native American petroglyphs, and extensive hiking trails with panoramic Bay Area views.
C. Foothills Nature Preserve
Foothills Nature Preserve is a protected open-space park in Palo Alto, California, known for its scenic hiking trails, rolling hills, and diverse wildlife habitats.
D. Long Ridge Open Space Preserve
Long Ridge Open Space Preserve is a protected natural area in the Santa Cruz Mountains known for its ridge-top trails, panoramic views, and diverse coastal forest and grassland habitats.
E. Coal Creek Open Space Preserve
Coal Creek Open Space Preserve is a protected natural area in the Santa Cruz Mountains near Portola Valley, California, featuring forested canyons, grasslands, and multi-use trails for hiking, biking, and horseback riding.
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: Mount Burdell Open Space Preserve
Triple: [Novato, California, hasOpenSpace, Mount Burdell Open Space Preserve]

Generated description

Mount Burdell Open Space Preserve is a protected natural area in Marin County known for its hiking trails, rolling grasslands, and diverse wildlife habitat on the slopes of Mount Burdell.

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

Target entity: Mount Burdell Open Space Preserve
Target entity description: Mount Burdell Open Space Preserve is a protected natural area in Marin County known for its hiking trails, rolling grasslands, and diverse wildlife habitat on the slopes of Mount Burdell.

A. Mount Veeder Open Space Preserve
Mount Veeder Open Space Preserve is a protected natural area in Napa County, California, known for its forested mountain terrain, hiking trails, and conservation of local wildlife and watersheds.
B. Ring Mountain Open Space Preserve
Ring Mountain Open Space Preserve is a protected natural area in Marin County, California, known for its unique serpentine geology, rare wildflowers, Native American petroglyphs, and extensive hiking trails with panoramic Bay Area views.
C. Foothills Nature Preserve
Foothills Nature Preserve is a protected open-space park in Palo Alto, California, known for its scenic hiking trails, rolling hills, and diverse wildlife habitats.
D. Long Ridge Open Space Preserve
Long Ridge Open Space Preserve is a protected natural area in the Santa Cruz Mountains known for its ridge-top trails, panoramic views, and diverse coastal forest and grassland habitats.
E. Coal Creek Open Space Preserve
Coal Creek Open Space Preserve is a protected natural area in the Santa Cruz Mountains near Portola Valley, California, featuring forested canyons, grasslands, and multi-use trails for hiking, biking, and horseback riding.
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_69d6aaca5c24819083db46a30d86cb34`	completed	April 8, 2026, 7:21 p.m.
NER	Named-entity recognition	`batch_69d7e9a7255c81909675fe9ad6d71934`	completed	April 9, 2026, 6:02 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69e50a62ceec8190af25edf44c5fc1e9`	completed	April 19, 2026, 5:01 p.m.
NEDg	Description generation	`batch_69e510fb1e288190a7a38fe896d7b91d`	completed	April 19, 2026, 5:29 p.m.
NED2	Entity disambiguation (via description)	`batch_69e516bec3e481909cbd0d9c683d2191`	completed	April 19, 2026, 5:54 p.m.

Created at: April 8, 2026, 9:32 p.m.