Lake Carl Blackwell
E1017763
Lake Carl Blackwell is a recreational reservoir in north-central Oklahoma known for boating, fishing, camping, and outdoor activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Carl Blackwell canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12888745 — 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: Lake Carl Blackwell Context triple: [Payne County, Oklahoma, containsProtectedArea, Lake Carl Blackwell]
-
A.
Lake Merwin
Lake Merwin is a large reservoir on the Lewis River in southwestern Washington State, popular for boating, fishing, and other outdoor recreation.
-
B.
Lake Altus-Lugert
Lake Altus-Lugert is a reservoir in southwestern Oklahoma known for recreation, fishing, and irrigation water supply.
-
C.
Lavon Lake
Lavon Lake is a large reservoir in North Texas used for water supply, flood control, and recreation such as boating and fishing.
-
D.
Pine Flat Lake
Pine Flat Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for boating, fishing, and flood control along the Kings River.
-
E.
Lake Harney
Lake Harney is a large freshwater lake in central Florida that forms part of the St. Johns River system and is known for its fishing, boating, and surrounding wetlands.
- 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: Lake Carl Blackwell Target entity description: Lake Carl Blackwell is a recreational reservoir in north-central Oklahoma known for boating, fishing, camping, and outdoor activities.
-
A.
Lake Merwin
Lake Merwin is a large reservoir on the Lewis River in southwestern Washington State, popular for boating, fishing, and other outdoor recreation.
-
B.
Lake Altus-Lugert
Lake Altus-Lugert is a reservoir in southwestern Oklahoma known for recreation, fishing, and irrigation water supply.
-
C.
Lavon Lake
Lavon Lake is a large reservoir in North Texas used for water supply, flood control, and recreation such as boating and fishing.
-
D.
Pine Flat Lake
Pine Flat Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for boating, fishing, and flood control along the Kings River.
-
E.
Lake Harney
Lake Harney is a large freshwater lake in central Florida that forms part of the St. Johns River system and is known for its fishing, boating, and surrounding wetlands.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
recreational lake
ⓘ
reservoir ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasActivity |
bank fishing
ⓘ
birdwatching ⓘ boat fishing ⓘ camping ⓘ canoeing ⓘ hiking ⓘ horseback riding ⓘ kayaking ⓘ mountain biking ⓘ wakeboarding ⓘ water skiing ⓘ |
| hasAmenity |
RV hookups
ⓘ
boat docks ⓘ fish cleaning stations ⓘ parking areas ⓘ picnic shelters ⓘ playgrounds ⓘ restrooms ⓘ tent camping sites ⓘ |
| hasFacility |
boat ramps
ⓘ
campgrounds ⓘ picnic areas ⓘ swimming areas ⓘ trails ⓘ |
| hasFishSpecies |
catfish
ⓘ
crappie ⓘ largemouth bass ⓘ sunfish ⓘ white bass ⓘ |
| hasRegulation |
boating regulations
ⓘ
camping regulations ⓘ fishing regulations ⓘ |
| hasShoreline |
developed recreation areas
ⓘ
natural shoreline areas ⓘ |
| isPopularFor |
family outings
ⓘ
university-related recreation ⓘ weekend recreation ⓘ |
| locatedIn | Oklahoma ⓘ |
| locatedInRegion | north-central Oklahoma ⓘ |
| locatedNear | Stillwater, Oklahoma ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ fishing ⓘ outdoor 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: Lake Carl Blackwell Description of subject: Lake Carl Blackwell is a recreational reservoir in north-central Oklahoma known for boating, fishing, camping, and outdoor activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.