Dougherty Hills Open Space
E311203
Dougherty Hills Open Space is a natural hillside park and recreation area in Dublin, California, featuring open grasslands, trails, and scenic views.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dougherty Hills Open Space canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2939079 — 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: Dougherty Hills Open Space Context triple: [Dublin, California, hasPark, Dougherty Hills Open Space]
-
A.
Acalanes Ridge Open Space
Acalanes Ridge Open Space is a protected natural hillside and ridge area in Walnut Creek, California, offering hiking trails, scenic vistas, and wildlife habitat.
-
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.
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.
-
D.
Henry W. Coe State Park
Henry W. Coe State Park is a vast, rugged wilderness park in California known for its extensive backcountry, challenging trails, and diverse wildlife and landscapes.
-
E.
Del Valle Regional Park
Del Valle Regional Park is a popular East Bay park in California known for its large reservoir, outdoor recreation opportunities, and scenic rolling hills.
- 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: Dougherty Hills Open Space Target entity description: Dougherty Hills Open Space is a natural hillside park and recreation area in Dublin, California, featuring open grasslands, trails, and scenic views.
-
A.
Acalanes Ridge Open Space
Acalanes Ridge Open Space is a protected natural hillside and ridge area in Walnut Creek, California, offering hiking trails, scenic vistas, and wildlife habitat.
-
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.
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.
-
D.
Henry W. Coe State Park
Henry W. Coe State Park is a vast, rugged wilderness park in California known for its extensive backcountry, challenging trails, and diverse wildlife and landscapes.
-
E.
Del Valle Regional Park
Del Valle Regional Park is a popular East Bay park in California known for its large reservoir, outdoor recreation opportunities, and scenic rolling hills.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
open space preserve
ⓘ
park ⓘ recreation area ⓘ |
| access | public ⓘ |
| city | Dublin, California ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Alameda County ⓘ |
| ecosystemType | California grassland ⓘ |
| feature |
scenic views
ⓘ
trails ⓘ |
| hasActivity |
nature observation
ⓘ
running ⓘ walking ⓘ |
| hasTrailType |
dirt trails
ⓘ
fire roads ⓘ |
| hasVegetation |
native grasses
ⓘ
oak trees ⓘ |
| hasWildlife |
birds
ⓘ
small mammals ⓘ |
| landCover | grassland ⓘ |
| locatedIn | San Francisco Bay Area ⓘ |
| managedBy |
Dublin
ⓘ
surface form:
City of Dublin
|
| primaryUse |
dog walking
ⓘ
hiking ⓘ recreation ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| terrain | hillside ⓘ |
| viewOf |
Dublin, California
ⓘ
Tri-Valley ⓘ
surface form:
Tri-Valley region
|
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: Dougherty Hills Open Space Description of subject: Dougherty Hills Open Space is a natural hillside park and recreation area in Dublin, California, featuring open grasslands, trails, and scenic views.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.