Edersee Dam
E845356
The Edersee Dam is a large gravity dam in Germany’s Eder Valley, historically known for being one of the key German dams attacked by the RAF’s “Dambusters” using bouncing bombs during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Edersee Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9526109 — 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: Edersee Dam Context triple: [bouncing bomb, notableTarget, Edersee Dam]
-
A.
Schluchsee Dam
Schluchsee Dam is a hydroelectric and water regulation dam in Germany’s Black Forest that creates the Schluchsee reservoir, a major regional lake and recreation area.
-
B.
Schwelm Dam
Schwelm Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
-
C.
Hohenwarte Dam
Hohenwarte Dam is a large hydroelectric and flood-control dam on the Saale River in Thuringia, Germany, forming one of the country’s significant reservoir lakes.
-
D.
Sorpe Dam
The Sorpe Dam is a German earth-fill dam in the Ruhr region that was a key target of the RAF’s World War II “Dambusters” raid, Operation Chastise.
-
E.
Ennepe Dam
Ennepe Dam is a German reservoir dam in North Rhine-Westphalia that was one of the targets of the World War II Dambusters Raid.
- 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: Edersee Dam Target entity description: The Edersee Dam is a large gravity dam in Germany’s Eder Valley, historically known for being one of the key German dams attacked by the RAF’s “Dambusters” using bouncing bombs during World War II.
-
A.
Schluchsee Dam
Schluchsee Dam is a hydroelectric and water regulation dam in Germany’s Black Forest that creates the Schluchsee reservoir, a major regional lake and recreation area.
-
B.
Schwelm Dam
Schwelm Dam is a German reservoir dam that was one of the targets attacked during the World War II Dambusters Raid.
-
C.
Hohenwarte Dam
Hohenwarte Dam is a large hydroelectric and flood-control dam on the Saale River in Thuringia, Germany, forming one of the country’s significant reservoir lakes.
-
D.
Sorpe Dam
The Sorpe Dam is a German earth-fill dam in the Ruhr region that was a key target of the RAF’s World War II “Dambusters” raid, Operation Chastise.
-
E.
Ennepe Dam
Ennepe Dam is a German reservoir dam in North Rhine-Westphalia that was one of the targets of the World War II Dambusters Raid.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
arch-gravity dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| alsoKnownAs |
Eder Dam
NERFINISHED
ⓘ
Edertalsperre NERFINISHED ⓘ |
| attackedBy | Royal Air Force NERFINISHED ⓘ |
| attackedByUnit | No. 617 Squadron RAF NERFINISHED ⓘ |
| attackMethod | bouncing bombs ⓘ |
| baseWidth | 36 m ⓘ |
| constructionBegan | 1908 ⓘ |
| country | Germany NERFINISHED ⓘ |
| crestElevation | 244 m above sea level ⓘ |
| crestWidth | 6 m ⓘ |
| designedBy | Otto Intze NERFINISHED ⓘ |
| downstreamRiver | Eder NERFINISHED ⓘ |
| formsReservoir | Edersee NERFINISHED ⓘ |
| hasHeritageStatus | protected monument in Hesse ⓘ |
| hasHydraulicHead | 42 m ⓘ |
| hasMaximumDepthInReservoir | 41 m ⓘ |
| hasNavigationLock | no ⓘ |
| hasTurbines | Francis turbines ⓘ |
| height | 48 m ⓘ |
| historicalEvent | Operation Chastise NERFINISHED ⓘ |
| inBasinCountry | Germany NERFINISHED ⓘ |
| isPartOf | Edersee hydroelectric system NERFINISHED ⓘ |
| length | 400 m ⓘ |
| locatedIn |
Eder Valley
NERFINISHED
ⓘ
Hesse ⓘ Waldeck-Frankenberg district NERFINISHED ⓘ |
| locatedOnWatercourse | Eder River NERFINISHED ⓘ |
| material | masonry ⓘ |
| nearbyCity |
Kassel
NERFINISHED
ⓘ
Waldeck NERFINISHED ⓘ |
| opened | 1914 ⓘ |
| operatedBy | PreussenElektra NERFINISHED ⓘ |
| ownedBy | PreussenElektra NERFINISHED ⓘ |
| partOf | Weser river basin NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water regulation for Weser River shipping ⓘ |
| reconstructionCompleted | 1946 ⓘ |
| repairedAfter | World War II bombing damage ⓘ |
| reservoirCatchmentArea | 1,443 km² ⓘ |
| reservoirSurfaceArea | 11.8 km² ⓘ |
| reservoirTotalCapacity | 199,000,000 m³ ⓘ |
| spillwayType | overflow spillway ⓘ |
| tourismAttraction | yes ⓘ |
| wasBombedOn | 1943-05-17 ⓘ |
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: Edersee Dam Description of subject: The Edersee Dam is a large gravity dam in Germany’s Eder Valley, historically known for being one of the key German dams attacked by the RAF’s “Dambusters” using bouncing bombs during World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.