Acalanes Ridge Open Space
E303637
Acalanes Ridge Open Space is a protected natural hillside and ridge area in Walnut Creek, California, offering hiking trails, scenic vistas, and wildlife habitat.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Acalanes Ridge Open Space canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2795929 — 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: Acalanes Ridge Open Space Context triple: [Walnut Creek, California, hasPark, Acalanes Ridge Open Space]
-
A.
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.
-
B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
-
C.
Shell Ridge Open Space
Shell Ridge Open Space is a large, hilly natural preserve in Walnut Creek, California, known for its extensive network of hiking, biking, and equestrian trails with scenic views of the surrounding East Bay region.
-
D.
Lime Ridge Open Space
Lime Ridge Open Space is a large natural preserve in Walnut Creek, California, known for its hiking trails, scenic ridge-top views, and protected wildlife habitat.
-
E.
Coyote Hills Regional Park
Coyote Hills Regional Park is a scenic East Bay regional park in Fremont, California, known for its rolling hills, wetlands, wildlife viewing, and extensive hiking and biking trails along the San Francisco Bay.
- 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: Acalanes Ridge Open Space Target entity description: Acalanes Ridge Open Space is a protected natural hillside and ridge area in Walnut Creek, California, offering hiking trails, scenic vistas, and wildlife habitat.
-
A.
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.
-
B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
-
C.
Shell Ridge Open Space
Shell Ridge Open Space is a large, hilly natural preserve in Walnut Creek, California, known for its extensive network of hiking, biking, and equestrian trails with scenic views of the surrounding East Bay region.
-
D.
Lime Ridge Open Space
Lime Ridge Open Space is a large natural preserve in Walnut Creek, California, known for its hiking trails, scenic ridge-top views, and protected wildlife habitat.
-
E.
Coyote Hills Regional Park
Coyote Hills Regional Park is a scenic East Bay regional park in Fremont, California, known for its rolling hills, wetlands, wildlife viewing, and extensive hiking and biking trails along the San Francisco Bay.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
open space preserve
ⓘ
park ⓘ protected area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environmentType |
natural area
ⓘ
open space ⓘ |
| hasAmenity |
hiking trails
ⓘ
scenic viewpoints ⓘ vista points ⓘ |
| hasEcologicalRole |
open space conservation
ⓘ
wildlife habitat ⓘ |
| hasFeature |
hillside terrain
ⓘ
natural open space ⓘ ridge ⓘ |
| hasUse |
hiking
ⓘ
nature observation ⓘ recreation ⓘ |
| hasWildlife | local California wildlife ⓘ |
| isAccessibleFor |
hikers
ⓘ
outdoor recreation users ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County ⓘ
surface form:
Contra Costa County, California
San Francisco Bay Area ⓘ Walnut Creek, California ⓘ |
| near |
Lafayette, California
ⓘ
residential areas of Walnut Creek ⓘ |
| primaryView |
nearby hills
ⓘ
surrounding valleys ⓘ |
| protectionStatus | protected natural area ⓘ |
| terrainType |
hills
ⓘ
ridge ⓘ |
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: Acalanes Ridge Open Space Description of subject: Acalanes Ridge Open Space is a protected natural hillside and ridge area in Walnut Creek, California, offering hiking trails, scenic vistas, and wildlife habitat.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.