Boulder Creek
E659873
Boulder Creek is a tributary stream in San Diego County, California, that feeds into the San Diego River within the region’s mountainous backcountry.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Boulder Creek canonical | 1 |
| Boulder Creek (stream) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7383683 — 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: Boulder Creek Context triple: [San Diego River, hasTributary, Boulder Creek]
-
A.
Boulder Creek
Boulder Creek is a scenic mountain stream in Boulder, Colorado, popular for recreation such as tubing, fishing, and walking along its adjacent paths.
-
B.
Fountain Creek
Fountain Creek is a stream in southeastern Colorado that flows through the Colorado Springs–Pueblo area before joining the Arkansas River.
-
C.
Saguache Creek
Saguache Creek is a stream in south-central Colorado that drains part of the northern San Luis Valley and supports local agriculture and wildlife habitats.
-
D.
Curecanti Creek
Curecanti Creek is a waterway in Colorado whose name was given to the surrounding Curecanti National Recreation Area, known for its reservoirs, canyons, and outdoor recreation opportunities.
-
E.
Tenaya Creek
Tenaya Creek is a mountain stream in Yosemite National Park that drains Tenaya Canyon and flows into the Merced River.
- 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: Boulder Creek Target entity description: Boulder Creek is a tributary stream in San Diego County, California, that feeds into the San Diego River within the region’s mountainous backcountry.
-
A.
Boulder Creek
Boulder Creek is a scenic mountain stream in Boulder, Colorado, popular for recreation such as tubing, fishing, and walking along its adjacent paths.
-
B.
Fountain Creek
Fountain Creek is a stream in southeastern Colorado that flows through the Colorado Springs–Pueblo area before joining the Arkansas River.
-
C.
Saguache Creek
Saguache Creek is a stream in south-central Colorado that drains part of the northern San Luis Valley and supports local agriculture and wildlife habitats.
-
D.
Curecanti Creek
Curecanti Creek is a waterway in Colorado whose name was given to the surrounding Curecanti National Recreation Area, known for its reservoirs, canyons, and outdoor recreation opportunities.
-
E.
Tenaya Creek
Tenaya Creek is a mountain stream in Yosemite National Park that drains Tenaya Canyon and flows into the Merced River.
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf | stream ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| flowsThrough | San Diego County backcountry ⓘ |
| hasName | Boulder Creek NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Cuyamaca Mountains region NERFINISHED ⓘ San Diego County ⓘ
surface form:
San Diego County, California
San Diego River watershed NERFINISHED ⓘ |
| mouthLocatedIn |
San Diego County, California
NERFINISHED
ⓘ
San Diego River NERFINISHED ⓘ |
| region | Southern California ⓘ |
| tributaryOf | San Diego River NERFINISHED ⓘ |
| watercourseType | perennial stream ⓘ |
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: Boulder Creek Description of subject: Boulder Creek is a tributary stream in San Diego County, California, that feeds into the San Diego River within the region’s mountainous backcountry.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Boulder Creek (stream)