Maeslantkering movable storm surge barrier
E107753
The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Maeslantkering storm surge barrier | 3 |
| Maeslantkering movable storm surge barrier canonical | 2 |
| Maeslant storm surge barrier | 1 |
| Maeslantkering infrastructure | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T857686 — 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.
Target entity: Maeslantkering movable storm surge barrier Context triple: [Delta Works, notableStructure, Maeslantkering movable storm surge barrier]
-
A.
Oosterscheldekering storm surge barrier
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.
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B.
Thames Barrier
The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
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C.
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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D.
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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E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Maeslantkering movable storm surge barrier Target entity description: The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
-
A.
Oosterscheldekering storm surge barrier
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.
-
B.
Thames Barrier
The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineering structure
ⓘ
flood defense structure ⓘ movable storm surge barrier ⓘ storm surge barrier ⓘ |
| alsoKnownAs |
Maeslantkering movable storm surge barrier
ⓘ
surface form:
Maeslant storm surge barrier
Maeslantkering movable storm surge barrier ⓘ |
| ballJointDiameter | 10 metres ⓘ |
| ballJointWeight | approximately 680 tonnes ⓘ |
| closureFrequency | expected once every 10 years approximately ⓘ |
| closureThreshold | storm surge of 3 metres above NAP at Rotterdam ⓘ |
| constructionStart | 1991 ⓘ |
| controlCenter | Keringhuis ⓘ |
| controlledBy | computer system ⓘ |
| country | Netherlands ⓘ |
| designedBy | Rijkswaterstaat ⓘ |
| designType |
ball-joint gate
ⓘ
floating sector gate ⓘ |
| engineeringCategory | mega engineering project ⓘ |
| gateHeight | about 22 metres ⓘ |
| hasPart |
ball joints
ⓘ
two dry docks ⓘ two floating gates ⓘ two retaining walls ⓘ |
| hasVisitorCenter |
Keringhuis
ⓘ
surface form:
Keringhuis visitor centre
|
| lengthOfEachGate | 210 metres ⓘ |
| locatedIn |
Netherlands
ⓘ
South Holland ⓘ |
| locatedNear | Rotterdam ⓘ |
| locatedOn | Nieuwe Waterweg ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| nearbyCity |
Hoek van Holland
ⓘ
Maassluis ⓘ |
| notableFor |
one of the largest moving structures on Earth
ⓘ
part of the last major project of the Delta Works ⓘ |
| officialOpeningBy |
Beatrix of the Netherlands
ⓘ
surface form:
Queen Beatrix of the Netherlands
|
| opened | 1997 ⓘ |
| operator | Rijkswaterstaat ⓘ |
| partOf | Delta Works ⓘ |
| protects |
Rhine–Meuse–Scheldt delta
ⓘ
Rotterdam ⓘ |
| protectsFrom |
North Sea storm surges
ⓘ
coastal flooding ⓘ |
| purpose |
maintain open access to Port of Rotterdam
ⓘ
protect the Rotterdam region from storm surges ⓘ |
| riverMouth |
Rhine–Meuse–Scheldt delta
ⓘ
surface form:
Rhine–Meuse delta
|
| spanWhenClosed | about 360 metres ⓘ |
| status | operational ⓘ |
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.
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.
Subject: Maeslantkering movable storm surge barrier Description of subject: The Maeslantkering movable storm surge barrier is a massive, computer-controlled flood defense structure near Rotterdam that protects the Netherlands from North Sea storm surges as part of the Delta Works system.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.