Amistad Reservoir
E692847
Amistad Reservoir is a large man-made lake on the Rio Grande at the U.S.–Mexico border, known for recreation, fishing, and water storage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amistad Reservoir canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T7786946 — 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: Amistad Reservoir Context triple: [Devils River, flowsInto, Amistad Reservoir]
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
San Juan Reservoir
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
-
C.
Kama Reservoir
Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
-
D.
Rollins Reservoir
Rollins Reservoir is an artificial lake in the Sierra Nevada foothills of California, created by damming the Bear River for water storage, hydroelectric power, and recreation.
-
E.
San Vicente Reservoir
San Vicente Reservoir is a major water storage lake in San Diego County, California, used for municipal water supply and popular for recreational activities like boating and fishing.
- 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: Amistad Reservoir Target entity description: Amistad Reservoir is a large man-made lake on the Rio Grande at the U.S.–Mexico border, known for recreation, fishing, and water storage.
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
San Juan Reservoir
San Juan Reservoir is a major artificial lake in central Spain, popular for water sports, recreation, and supplying water and hydroelectric power to the surrounding region.
-
C.
Kama Reservoir
Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
-
D.
Rollins Reservoir
Rollins Reservoir is an artificial lake in the Sierra Nevada foothills of California, created by damming the Bear River for water storage, hydroelectric power, and recreation.
-
E.
San Vicente Reservoir
San Vicente Reservoir is a major water storage lake in San Diego County, California, used for municipal water supply and popular for recreational activities like boating and fishing.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
international reservoir
ⓘ
reservoir ⓘ |
| borderedBy | Del Rio, Texas ⓘ |
| country |
Mexico
ⓘ
United States of America ⓘ |
| createdBy | Amistad Dam ⓘ |
| formedBy |
impoundment of the Devils River
ⓘ
impoundment of the Pecos River ⓘ impoundment of the Rio Grande ⓘ |
| governingBody | International Boundary and Water Commission ⓘ |
| hasPart | Amistad National Recreation Area ⓘ |
| inception | 1969 ⓘ |
| knownFor |
clear water
ⓘ
limestone canyons ⓘ prehistoric rock art sites in surrounding area ⓘ |
| locatedIn |
Coahuila
ⓘ
U.S.–Mexico border region ⓘ
linked to:
U.S.–Mexico borderlands region
Val Verde County, Texas ⓘ |
| locatedOnRiver |
Rio Grande
ⓘ
Río Bravo del Norte ⓘ |
| managedBy |
United States National Park Service
ⓘ
linked to:
National Park Service
|
| maxDepth |
over 200 feet
ⓘ
over 60 meters ⓘ |
| nameMeaning | friendship in Spanish ⓘ |
| near |
Ciudad Acuña, Coahuila
ⓘ
linked to:
Ciudad Acuña
|
| opened | 1969 ⓘ |
| partOf | Rio Grande basin ⓘ |
| popularFor |
catfish fishing
ⓘ
largemouth bass fishing ⓘ striped bass fishing ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation water supply ⓘ municipal water supply ⓘ recreation ⓘ sport fishing ⓘ water storage ⓘ |
| sharedBetween |
Mexico
ⓘ
United States ⓘ
linked to:
United States of America
|
| surfaceArea |
approximately 262 square kilometers
ⓘ
approximately 64,900 acres ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ hunting in surrounding areas ⓘ scuba diving ⓘ swimming ⓘ water skiing ⓘ |
| waterBodyType | freshwater lake ⓘ |
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: Amistad Reservoir Description of subject: Amistad Reservoir is a large man-made lake on the Rio Grande at the U.S.–Mexico border, known for recreation, fishing, and water storage.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.