Coal Creek Open Space Preserve
E857076
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coal Creek Open Space Preserve canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10326044 — 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: Coal Creek Open Space Preserve Context triple: [Portola Valley, California, hasOpenSpacePreserve, Coal Creek Open Space Preserve]
-
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.
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.
-
C.
Cow Creek Recreation Area
Cow Creek Recreation Area is a public outdoor recreation site on the shores of Lake Sharpe in South Dakota, offering access to activities such as boating, fishing, and camping.
-
D.
Glenrock State Conservation Area
Glenrock State Conservation Area is a protected coastal reserve in New South Wales, Australia, known for its bushland, walking and mountain-biking trails, and scenic beaches and lagoons near Newcastle.
-
E.
Wildwood Canyon State Park
Wildwood Canyon State Park is a California state park known for its scenic canyons, rolling hills, and hiking and equestrian trails in the foothills near Yucaipa.
- 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: Coal Creek Open Space Preserve Target entity description: 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.
-
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.
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.
-
C.
Cow Creek Recreation Area
Cow Creek Recreation Area is a public outdoor recreation site on the shores of Lake Sharpe in South Dakota, offering access to activities such as boating, fishing, and camping.
-
D.
Glenrock State Conservation Area
Glenrock State Conservation Area is a protected coastal reserve in New South Wales, Australia, known for its bushland, walking and mountain-biking trails, and scenic beaches and lagoons near Newcastle.
-
E.
Wildwood Canyon State Park
Wildwood Canyon State Park is a California state park known for its scenic canyons, rolling hills, and hiking and equestrian trails in the foothills near Yucaipa.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
open space preserve
ⓘ
park ⓘ protected area ⓘ |
| allowsActivity |
hiking
ⓘ
horseback riding ⓘ mountain biking ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| establishedBy | Midpeninsula Regional Open Space District NERFINISHED ⓘ |
| hasAccessPoint |
Alpine Road trailhead
NERFINISHED
ⓘ
Page Mill Road access ⓘ |
| hasEcosystemType |
grassland
ⓘ
mixed evergreen forest ⓘ |
| hasFeature |
forested canyons
ⓘ
multi-use trails ⓘ open grasslands ⓘ |
| hasHabitat |
chaparral
ⓘ
riparian woodland ⓘ |
| hasRegulation | dogs not allowed on most trails ⓘ |
| hasTrail |
Alpine Road Trail
NERFINISHED
ⓘ
Clouds Rest Trail NERFINISHED ⓘ Crazy Pete’s Road NERFINISHED ⓘ |
| hasUsePolicy | day-use only ⓘ |
| hasVegetation |
California bay laurel
NERFINISHED
ⓘ
Douglas-fir forest ⓘ coast live oak woodland ⓘ |
| hasViewOf | San Francisco Bay NERFINISHED ⓘ |
| hasWatercourse |
Coal Creek
NERFINISHED
ⓘ
West Fork of Bear Creek NERFINISHED ⓘ |
| hasWildlife |
coyotes
ⓘ
deer ⓘ raptors ⓘ songbirds ⓘ |
| locatedIn |
San Mateo County, California
ⓘ
Santa Cruz Mountains NERFINISHED ⓘ |
| locatedNear | Portola Valley, California NERFINISHED ⓘ |
| managedBy | Midpeninsula Regional Open Space District NERFINISHED ⓘ |
| nearestCity | Palo Alto, California NERFINISHED ⓘ |
| openYearRound | true ⓘ |
| partOf | San Francisco Peninsula open space network NERFINISHED ⓘ |
| purpose |
habitat conservation
ⓘ
outdoor recreation ⓘ watershed protection ⓘ |
| region | San Francisco Peninsula NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
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: Coal Creek Open Space Preserve Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.