Boca River
E158515
The Boca River is a small mountain stream in the Sierra Nevada of California that feeds into the Truckee River and is associated with the Boca Reservoir recreation area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boca River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1090119 — 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: Boca River Context triple: [Truckee River, hasTributary, Boca River]
-
A.
Loncomilla River
The Loncomilla River is a significant watercourse in central Chile that serves as a major tributary of the Maule River, supporting agriculture and settlements in the surrounding region.
-
B.
Aracataca River
The Aracataca River is a waterway in the Magdalena Department of northern Colombia that flows near the town of Aracataca, famously associated with writer Gabriel García Márquez.
-
C.
Illapel River
The Illapel River is a watercourse in Chile’s Coquimbo Region that flows through the Choapa Province, supporting local agriculture and communities in a semi-arid landscape.
-
D.
Actopan River
The Actopan River is a freshwater river in the Mexican state of Veracruz known for its clear waters, scenic canyons, and popularity for rafting and ecotourism.
-
E.
Coata River
The Coata River is a watercourse in southern Peru that drains part of the Andean highlands and feeds into Lake Titicaca.
- 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: Boca River Target entity description: The Boca River is a small mountain stream in the Sierra Nevada of California that feeds into the Truckee River and is associated with the Boca Reservoir recreation area.
-
A.
Loncomilla River
The Loncomilla River is a significant watercourse in central Chile that serves as a major tributary of the Maule River, supporting agriculture and settlements in the surrounding region.
-
B.
Aracataca River
The Aracataca River is a waterway in the Magdalena Department of northern Colombia that flows near the town of Aracataca, famously associated with writer Gabriel García Márquez.
-
C.
Illapel River
The Illapel River is a watercourse in Chile’s Coquimbo Region that flows through the Choapa Province, supporting local agriculture and communities in a semi-arid landscape.
-
D.
Actopan River
The Actopan River is a freshwater river in the Mexican state of Veracruz known for its clear waters, scenic canyons, and popularity for rafting and ecotourism.
-
E.
Coata River
The Coata River is a watercourse in southern Peru that drains part of the Andean highlands and feeds into Lake Titicaca.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf |
mountain stream
ⓘ
river ⓘ |
| associatedWith | Boca Reservoir ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| flowsInto | Truckee River ⓘ |
| hasRecreationArea | Boca Reservoir recreation area ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Nevada County, California ⓘ Sierra County, California ⓘ Sierra Nevada ⓘ |
| partOf |
Truckee River
ⓘ
surface form:
Truckee River watershed
|
| usedFor | recreation ⓘ |
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: Boca River Description of subject: The Boca River is a small mountain stream in the Sierra Nevada of California that feeds into the Truckee River and is associated with the Boca Reservoir recreation area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.