Urft Reservoir
E520960
Urft Reservoir is a historic artificial lake in Germany’s Eifel region, known for its early 20th-century dam and scenic setting within Eifel National Park.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Urft Dam | 1 |
| Urft Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5409845 — 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: Urft Reservoir Context triple: [Eifel National Park, contains, Urft Reservoir]
-
A.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
B.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
C.
Hinckley Reservoir
Hinckley Reservoir is a large man-made lake in central New York that serves as a major water supply source and recreational area for the region.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- 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: Urft Reservoir Target entity description: Urft Reservoir is a historic artificial lake in Germany’s Eifel region, known for its early 20th-century dam and scenic setting within Eifel National Park.
-
A.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
B.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
C.
Hinckley Reservoir
Hinckley Reservoir is a large man-made lake in central New York that serves as a major water supply source and recreational area for the region.
-
D.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
E.
Claerwen Reservoir
Claerwen Reservoir is a large upland water reservoir in mid Wales, known for its impressive dam and scenic surroundings within the Elan Valley.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| architecturalStyle | early 20th-century dam engineering ⓘ |
| basinCountry | Germany ⓘ |
| constructionStartDate | 1900 ⓘ |
| country | Germany NERFINISHED ⓘ |
| ecosystemType | temperate forested reservoir ⓘ |
| hasAccessRestriction | partly restricted to protect nature ⓘ |
| hasDam | Urft Dam NERFINISHED ⓘ |
| hasDamType | gravity dam ⓘ |
| hasHistoricalSignificance | one of the oldest large reservoirs in the Eifel ⓘ |
| hasNearbyTrail |
Eifelsteig long-distance trail
NERFINISHED
ⓘ
Urftsee circular hiking routes ⓘ |
| hasRecreationalActivity |
cycling
ⓘ
hiking ⓘ nature observation ⓘ |
| hasScenicSetting | Eifel National Park landscape ⓘ |
| heritageStatus | historic reservoir ⓘ |
| inception | 1905 ⓘ |
| locatedIn |
Eifel region
NERFINISHED
ⓘ
North Rhine-Westphalia ⓘ |
| locatedInDistrict | Euskirchen district NERFINISHED ⓘ |
| locatedInMountainRange | Eifel NERFINISHED ⓘ |
| locatedInProtectedArea | Eifel National Park NERFINISHED ⓘ |
| locatedNear |
Rur Reservoir
NERFINISHED
ⓘ
Vogelsang IP NERFINISHED ⓘ |
| nearbyCity |
Gemünd
NERFINISHED
ⓘ
Schleiden NERFINISHED ⓘ |
| openingDate | 1905 ⓘ |
| operator | regional water management authorities ⓘ |
| outflow | Urft NERFINISHED ⓘ |
| partOf | Rur River basin NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water regulation ⓘ |
| riverDammed | Urft NERFINISHED ⓘ |
| tourismRegion | Nordeifel NERFINISHED ⓘ |
| usedFor |
nature conservation
ⓘ
recreation ⓘ tourism ⓘ |
| waterBodyType | inland surface water body ⓘ |
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: Urft Reservoir Description of subject: Urft Reservoir is a historic artificial lake in Germany’s Eifel region, known for its early 20th-century dam and scenic setting within Eifel National Park.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Urft Dam