Oosterscheldekering storm surge barrier
E107598
The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T857685 — 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: Oosterscheldekering storm surge barrier Context triple: [Delta Works, notableStructure, Oosterscheldekering storm surge barrier]
-
A.
Stormvloedkering Hollandse IJssel
Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
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B.
Delta Works
Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
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C.
Zandkreekdam
Zandkreekdam is a Dutch dam and water barrier that forms part of the Delta Works coastal defense system, helping to protect the southwestern Netherlands from flooding.
-
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.
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E.
Westerscheldetunnel
The Westerscheldetunnel is a major road tunnel in the Netherlands that runs beneath the Western Scheldt estuary, providing a key fixed link between the northern and southern parts of Zeeland.
- 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: Oosterscheldekering storm surge barrier Target entity description: The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.
-
A.
Stormvloedkering Hollandse IJssel
Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
-
B.
Delta Works
Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
-
C.
Zandkreekdam
Zandkreekdam is a Dutch dam and water barrier that forms part of the Delta Works coastal defense system, helping to protect the southwestern Netherlands from flooding.
-
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.
Westerscheldetunnel
The Westerscheldetunnel is a major road tunnel in the Netherlands that runs beneath the Western Scheldt estuary, providing a key fixed link between the northern and southern parts of Zeeland.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineering structure
ⓘ
movable flood barrier ⓘ storm surge barrier ⓘ |
| allows |
saltwater ecosystem preservation
ⓘ
tidal exchange ⓘ |
| carries | N57 road ⓘ |
| constructionMethod |
placement on prepared seabed
ⓘ
prefabricated concrete caissons ⓘ |
| constructionStart | 1979 ⓘ |
| country | Netherlands ⓘ |
| crosses |
Eastern Scheldt
ⓘ
surface form:
Oosterschelde
|
| designedBy | Rijkswaterstaat ⓘ |
| designedFor | North Sea storm surges ⓘ |
| designedReturnPeriod | 1 in 4000 year storm ⓘ |
| engineeringSignificance | landmark of hydraulic engineering ⓘ |
| environmentalConsideration | protection of Oosterschelde tidal basin ⓘ |
| gateOperation |
closed during severe storms
ⓘ
normally open ⓘ |
| governedBy | Dutch flood safety standards ⓘ |
| hasFunction |
navigation passage
ⓘ
road connection ⓘ |
| hasPart |
artificial islands
ⓘ
piers ⓘ sluice gates ⓘ |
| hasVisitorCenter | Deltapark Neeltje Jans ⓘ |
| inspiredByEvent | North Sea flood of 1953 ⓘ |
| length | approximately 9 km ⓘ |
| locatedIn |
Eastern Scheldt
ⓘ
surface form:
Oosterschelde estuary
Zeeland ⓘ
surface form:
Province of Zeeland
|
| locatedNear |
Noord-Beveland
ⓘ
Schouwen-Duiveland ⓘ |
| locatedOn | North Sea coast ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| notableAs |
largest structure of the Delta Works
ⓘ
most complex structure of the Delta Works ⓘ |
| opened | 1986 ⓘ |
| operatedBy | Rijkswaterstaat ⓘ |
| partOf | Delta Works ⓘ |
| protects |
North Brabant
ⓘ
South Holland ⓘ Zeeland ⓘ |
| purpose |
coastal defense
ⓘ
flood protection ⓘ storm surge protection ⓘ |
| region | Southwestern Netherlands ⓘ |
| touristAttraction | yes ⓘ |
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: Oosterscheldekering storm surge barrier Description of subject: The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oosterschelde–Haringvliet coastal defence line
this entity surface form:
Eastern Scheldt storm surge barrier
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterschelde (via controlled structures)
this entity surface form:
storm surge barrier Oosterscheldekering