Eder Dam
E45015
Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Eder Dam canonical | 15 |
| Edersee Dam | 1 |
| Edertalsperre | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T351996 — 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: Eder Dam Context triple: [Operation Chastise, target, Eder Dam]
-
A.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
D.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
-
E.
Möhne Dam
Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
- 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: Eder Dam Target entity description: Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
-
A.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
B.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
C.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
-
D.
Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
-
E.
Möhne Dam
Möhne Dam is a major German gravity dam in North Rhine-Westphalia, historically known for being breached by the RAF’s “Dambusters” raid during World War II.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
arch-gravity dam
ⓘ
gravity dam ⓘ hydroelectric dam ⓘ |
| attackDate | 1943-05-17 ⓘ |
| attackedBy | Royal Air Force ⓘ |
| basinCountry | Germany ⓘ |
| constructionStartDate | 1908 ⓘ |
| country | Germany ⓘ |
| formsReservoir | Edersee ⓘ |
| hasAlternativeName |
Eder Dam
ⓘ
surface form:
Edersee Dam
|
| hasNameInGerman |
Eder Dam
self-linksurface differs
ⓘ
surface form:
Edertalsperre
|
| hasPart |
fish ladder
ⓘ
powerhouse ⓘ spillway ⓘ |
| hasViewpoint | crest walkway ⓘ |
| height | about 48 m ⓘ |
| heritageStatus | protected historic structure ⓘ |
| inception | 1914 ⓘ |
| length | about 400 m ⓘ |
| locatedIn | Eder River valley ⓘ |
| locatedInAdministrativeTerritory |
Hesse
ⓘ
Waldeck-Frankenberg district ⓘ |
| locatedInProtectedArea | Kellerwald-Edersee National Park vicinity ⓘ |
| locatedNear |
Hemfurth
ⓘ
Waldeck ⓘ |
| locatedOnRiver | Eder River ⓘ |
| materialUsed |
concrete
ⓘ
rubble masonry ⓘ |
| nearCity |
Kassel
ⓘ
Korbach ⓘ |
| notableFor | being one of the dams breached in the Dambusters raid ⓘ |
| openingDate | 1914 ⓘ |
| operator | Edersee Wasserverband (water association) ⓘ |
| partOf |
Edersee
ⓘ
targets of Operation Chastise ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water regulation for the Weser River ⓘ |
| reservoirCapacity | about 199,000,000 m³ ⓘ |
| significantEvent |
breached in Operation Chastise
ⓘ
rebuilt after World War II ⓘ |
| touristAttraction | yes ⓘ |
| usedFor | navigation flow support on Weser River ⓘ |
| watercourse | Eder River ⓘ |
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: Eder Dam Description of subject: Eder Dam is a major German gravity dam in the Eder River valley, historically known for being one of the dams breached by the RAF’s “Dambusters” raid during World War II.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Edertalsperre
this entity surface form:
Edersee Dam
subject surface form:
Edersee Wasserverband
subject surface form:
Edersee Wasserverband