Eider Barrage
E802836
The Eider Barrage is a major coastal flood protection and storm surge barrier structure located at the mouth of the Eider River on Germany’s North Sea coast.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Eider Barrage canonical | 3 |
| Eider barrage | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9495353 — 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: Eider Barrage Context triple: [Eider, hasStructure, Eider Barrage]
-
A.
Tawe Barrage
Tawe Barrage is a tidal barrage structure near the mouth of the River Tawe in Swansea, Wales, designed to create a stable water level for navigation, recreation, and waterfront development.
-
B.
Lloyd Barrage
Lloyd Barrage is a major irrigation and flood-control structure on the Indus River near Sukkur in Pakistan, renowned for transforming the region’s agriculture.
-
C.
Bombah Broadwater
Bombah Broadwater is a large coastal lake and wetland area within New South Wales’ Myall Lakes system, known for its diverse birdlife, aquatic habitats, and scenic natural surroundings.
-
D.
Repulse Dam
Repulse Dam is a hydroelectric and water storage dam located on the Derwent River in Tasmania, Australia.
-
E.
Bitterne
Bitterne is a residential suburb of Southampton, England, situated on the eastern side of the River Itchen.
- 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: Eider Barrage Target entity description: The Eider Barrage is a major coastal flood protection and storm surge barrier structure located at the mouth of the Eider River on Germany’s North Sea coast.
-
A.
Tawe Barrage
Tawe Barrage is a tidal barrage structure near the mouth of the River Tawe in Swansea, Wales, designed to create a stable water level for navigation, recreation, and waterfront development.
-
B.
Lloyd Barrage
Lloyd Barrage is a major irrigation and flood-control structure on the Indus River near Sukkur in Pakistan, renowned for transforming the region’s agriculture.
-
C.
Bombah Broadwater
Bombah Broadwater is a large coastal lake and wetland area within New South Wales’ Myall Lakes system, known for its diverse birdlife, aquatic habitats, and scenic natural surroundings.
-
D.
Repulse Dam
Repulse Dam is a hydroelectric and water storage dam located on the Derwent River in Tasmania, Australia.
-
E.
Bitterne
Bitterne is a residential suburb of Southampton, England, situated on the eastern side of the River Itchen.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
barrage
ⓘ
coastal flood protection structure ⓘ storm surge barrier ⓘ |
| constructionMaterial |
concrete
ⓘ
earth embankments ⓘ steel ⓘ |
| constructionStart | 1967 ⓘ |
| coordinatesApprox | 54.33°N 8.78°E ⓘ |
| country | Germany ⓘ |
| crosses | Eider River ⓘ |
| designedToWithstand | North Sea storm surges ⓘ |
| engineeredBy | German hydraulic engineers ⓘ |
| function |
prevents saltwater intrusion during storm surges
ⓘ
regulates freshwater discharge from the Eider River into the North Sea ⓘ |
| hasComponent |
embankment dams
ⓘ
navigation lock ⓘ roadway ⓘ sluice gates ⓘ |
| hasLock | ship lock for inland navigation ⓘ |
| hasRoad | Bundesstraße 5 ⓘ |
| hasTourismFunction |
viewpoint for North Sea and Wadden Sea
ⓘ
visitor information facilities ⓘ |
| isPartOf | German North Sea coastal defence system ⓘ |
| length | approximately 4.9 kilometres ⓘ |
| locatedAtMouthOf | Eider River ⓘ |
| locatedIn | Schleswig-Holstein ⓘ |
| locatedInProtectedArea |
Wadden Sea region
ⓘ
linked to:
Wadden Sea
|
| locatedNear |
St. Peter-Ording
ⓘ
Tönning ⓘ |
| locatedOnCoastOf | North Sea ⓘ |
| maintains | safe water levels upstream of the Eider River ⓘ |
| managingAuthority | Wasserstraßen- und Schifffahrtsamt Nord-Ostsee-Kanal ⓘ |
| nearBodyOfWater |
Eider estuary
ⓘ
North Frisian Wadden Sea ⓘ
linked to:
Wadden Sea National Park (Germany)
|
| notableFor | being one of Germany’s major coastal defence structures ⓘ |
| opened | 1973 ⓘ |
| protectsRegion |
Eiderstedt Peninsula
ⓘ
low-lying coastal areas along the Eider River ⓘ |
| purpose |
coastal flood protection
ⓘ
navigation control ⓘ storm surge protection ⓘ water level regulation ⓘ |
| region |
northern Germany
ⓘ
linked to:
Northern Germany
|
| replaced | earlier dike and flood protection systems at the Eider estuary ⓘ |
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: Eider Barrage Description of subject: The Eider Barrage is a major coastal flood protection and storm surge barrier structure located at the mouth of the Eider River on Germany’s North Sea coast.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Eider Barrage