Sibley Volcanic Regional Preserve
E456737
Sibley Volcanic Regional Preserve is a regional park in the East Bay of the San Francisco Bay Area known for its ancient volcanic formations, hiking trails, and panoramic ridge-top views.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sibley Volcanic Regional Preserve canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4638153 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sibley Volcanic Regional Preserve Context triple: [Berkeley Hills, contains, Sibley Volcanic Regional 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.
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B.
Armstrong Redwoods State Natural Reserve
Armstrong Redwoods State Natural Reserve is a protected park in Northern California known for its towering ancient coast redwood trees and serene forest trails.
-
C.
Jasper Ridge Biological Preserve
Jasper Ridge Biological Preserve is a renowned Stanford University research and teaching reserve in the foothills near Palo Alto, known for its diverse ecosystems and long-term ecological studies.
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D.
Mount Kaʻala Natural Area Reserve
Mount Kaʻala Natural Area Reserve is a protected high-elevation ecosystem on Oʻahu that safeguards native Hawaiian plants, birds, and unique cloud-forest habitats surrounding the island’s highest peak.
-
E.
Deukmejian Wilderness Park
Deukmejian Wilderness Park is a rugged natural park in the foothills of the Verdugo Mountains known for its hiking trails, scenic vistas, and preserved chaparral habitat.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sibley Volcanic Regional Preserve Target entity description: Sibley Volcanic Regional Preserve is a regional park in the East Bay of the San Francisco Bay Area known for its ancient volcanic formations, hiking trails, and panoramic ridge-top views.
-
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.
Armstrong Redwoods State Natural Reserve
Armstrong Redwoods State Natural Reserve is a protected park in Northern California known for its towering ancient coast redwood trees and serene forest trails.
-
C.
Jasper Ridge Biological Preserve
Jasper Ridge Biological Preserve is a renowned Stanford University research and teaching reserve in the foothills near Palo Alto, known for its diverse ecosystems and long-term ecological studies.
-
D.
Mount Kaʻala Natural Area Reserve
Mount Kaʻala Natural Area Reserve is a protected high-elevation ecosystem on Oʻahu that safeguards native Hawaiian plants, birds, and unique cloud-forest habitats surrounding the island’s highest peak.
-
E.
Deukmejian Wilderness Park
Deukmejian Wilderness Park is a rugged natural park in the foothills of the Verdugo Mountains known for its hiking trails, scenic vistas, and preserved chaparral habitat.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
protected area
ⓘ
regional park ⓘ volcanic preserve ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasFeature |
ancient volcanic formations
ⓘ
geologic formations ⓘ grasslands ⓘ hiking trails ⓘ panoramic views ⓘ ridge-top views ⓘ volcanic rock outcrops ⓘ woodlands ⓘ |
| hasGeologicalType | volcanic ⓘ |
| hasViewOf |
San Francisco Bay Area
NERFINISHED
ⓘ
surrounding East Bay hills ⓘ |
| knownFor |
ancient volcanic history
ⓘ
network of hiking trails ⓘ panoramic ridge-top views ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
East Bay NERFINISHED ⓘ San Francisco Bay Area ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | East Bay Regional Park District NERFINISHED ⓘ |
| openTo | public ⓘ |
| partOf |
East Bay Regional Park District system
ⓘ
San Francisco Bay Area park system NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| usedFor |
geology education
ⓘ
hiking ⓘ nature observation ⓘ outdoor recreation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Sibley Volcanic Regional Preserve Description of subject: Sibley Volcanic Regional Preserve is a regional park in the East Bay of the San Francisco Bay Area known for its ancient volcanic formations, hiking trails, and panoramic ridge-top views.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.