Otay Valley Regional Park
E737077
Otay Valley Regional Park is a large natural open-space park in southern San Diego County known for its trails, wetlands, and recreational opportunities along the Otay River.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Otay Valley Regional Park canonical | 2 |
| Otay Mountain area | 1 |
| Otay Valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8464459 — 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: Otay Valley Regional Park Context triple: [Chula Vista, hasAttraction, Otay Valley Regional Park]
-
A.
Yorba Regional Park
Yorba Regional Park is a large public park in Anaheim, California, known for its lakes, picnic areas, and extensive recreational facilities along the Santa Ana River.
-
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.
Yucaipa Regional Park
Yucaipa Regional Park is a public recreational area in Yucaipa, California, featuring lakes, picnic areas, and outdoor activities for visitors.
-
D.
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.
-
E.
Cucamonga-Guasti Regional Park
Cucamonga-Guasti Regional Park is a public recreational area in Rancho Cucamonga, California, featuring lakes, picnic areas, and outdoor activities for visitors.
- 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: Otay Valley Regional Park Target entity description: Otay Valley Regional Park is a large natural open-space park in southern San Diego County known for its trails, wetlands, and recreational opportunities along the Otay River.
-
A.
Yorba Regional Park
Yorba Regional Park is a large public park in Anaheim, California, known for its lakes, picnic areas, and extensive recreational facilities along the Santa Ana River.
-
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.
Yucaipa Regional Park
Yucaipa Regional Park is a public recreational area in Yucaipa, California, featuring lakes, picnic areas, and outdoor activities for visitors.
-
D.
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.
-
E.
Cucamonga-Guasti Regional Park
Cucamonga-Guasti Regional Park is a public recreational area in Rancho Cucamonga, California, featuring lakes, picnic areas, and outdoor activities for visitors.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
open space park
ⓘ
regional park ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| follows | Otay River NERFINISHED ⓘ |
| hasConservationGoal |
preservation of open space
ⓘ
protection of riparian habitat ⓘ protection of wetlands ⓘ provision of wildlife corridors ⓘ |
| hasEcosystemType |
coastal sage scrub
ⓘ
freshwater wetlands ⓘ grasslands ⓘ riparian woodland ⓘ |
| hasFeature |
bicycle paths
ⓘ
birdwatching areas ⓘ equestrian trails ⓘ interpretive signage ⓘ lakes and ponds ⓘ multi-use trails ⓘ picnic areas ⓘ restoration areas ⓘ riparian habitat ⓘ trails ⓘ wetlands ⓘ |
| hasRecreationGoal |
environmental education
ⓘ
providing regional trail connections ⓘ supporting non-motorized recreation ⓘ |
| locatedIn |
San Diego County
ⓘ
surface form:
San Diego County, California
South Bay region of San Diego County NERFINISHED ⓘ southern San Diego County NERFINISHED ⓘ |
| managedBy |
City of Chula Vista
NERFINISHED
ⓘ
City of San Diego NERFINISHED ⓘ County of San Diego NERFINISHED ⓘ |
| near |
Chula Vista
NERFINISHED
ⓘ
Otay Mesa NERFINISHED ⓘ San Diego Bay NERFINISHED ⓘ San Ysidro NERFINISHED ⓘ |
| partOf | Otay River watershed NERFINISHED ⓘ |
| traverses |
City of Chula Vista
NERFINISHED
ⓘ
City of San Diego NERFINISHED ⓘ unincorporated San Diego County ⓘ |
| usedFor |
birdwatching
ⓘ
fishing ⓘ hiking ⓘ horseback riding ⓘ mountain biking ⓘ nature study ⓘ picnicking ⓘ wildlife observation ⓘ |
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: Otay Valley Regional Park Description of subject: Otay Valley Regional Park is a large natural open-space park in southern San Diego County known for its trails, wetlands, and recreational opportunities along the Otay River.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chula Vista
this entity surface form:
Otay Valley
this entity surface form:
Otay Mountain area