Stormvloedkering Hollandse IJssel
E105544
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Stormvloedkering Hollandse IJssel canonical | 1 |
| storm surge barrier at Algerabrug | 1 |
| storm surge barrier at Krimpen aan den IJssel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T857662 — 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: Stormvloedkering Hollandse IJssel Context triple: [Delta Works, hasPart, Stormvloedkering Hollandse IJssel]
-
A.
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.
-
B.
Van Starkenborghkanaal
The Van Starkenborghkanaal is a key Dutch shipping canal in the province of Groningen that forms part of an important east–west inland waterway connection in the northern Netherlands.
-
C.
Dutch Water Line inundations
The Dutch Water Line inundations were a strategic flooding of low-lying land in the Netherlands used as a defensive measure to halt invading forces, notably during the Franco-Dutch War.
-
D.
Nieuwe Waterweg
Nieuwe Waterweg is a major artificial ship canal in the Netherlands that provides a direct deep-water connection between the North Sea and the port of Rotterdam.
-
E.
Hollandsche IJssel
Hollandsche IJssel is a river in the western Netherlands that flows through the provinces of South Holland and Utrecht and plays a role in regional water management and flood control.
- 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: Stormvloedkering Hollandse IJssel Target entity description: 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.
-
A.
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.
-
B.
Van Starkenborghkanaal
The Van Starkenborghkanaal is a key Dutch shipping canal in the province of Groningen that forms part of an important east–west inland waterway connection in the northern Netherlands.
-
C.
Dutch Water Line inundations
The Dutch Water Line inundations were a strategic flooding of low-lying land in the Netherlands used as a defensive measure to halt invading forces, notably during the Franco-Dutch War.
-
D.
Nieuwe Waterweg
Nieuwe Waterweg is a major artificial ship canal in the Netherlands that provides a direct deep-water connection between the North Sea and the port of Rotterdam.
-
E.
Hollandsche IJssel
Hollandsche IJssel is a river in the western Netherlands that flows through the provinces of South Holland and Utrecht and plays a role in regional water management and flood control.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Delta Works structure
ⓘ
storm surge barrier ⓘ |
| alsoKnownAs |
Algerasluis
ⓘ
surface form:
Algerakering
Hollandse IJssel storm surge barrier ⓘ |
| belongsTo |
Delta Works
ⓘ
surface form:
Dutch Delta Plan
|
| builtAfter | North Sea flood of 1953 ⓘ |
| constructionMaterial |
concrete
ⓘ
steel ⓘ |
| constructionStart | 1954 ⓘ |
| country | Netherlands ⓘ |
| designedFor | storm surges from the North Sea ⓘ |
| designedToWithstand | extreme storm surges ⓘ |
| designStandard | Delta Works safety norms ⓘ |
| engineeringDiscipline | hydraulic engineering ⓘ |
| floodRiskCategory | primary flood defence ⓘ |
| gateType | vertical lift gate ⓘ |
| hasComponent |
navigation lock
ⓘ
service bridge ⓘ two vertical-lift gates ⓘ |
| hasFunction |
allowing navigation
ⓘ
regulating water levels ⓘ |
| hasHeritageStatus | Rijksmonument ⓘ |
| infrastructureType | hydraulic structure ⓘ |
| isPartOf | Dutch flood defence system ⓘ |
| locatedIn |
Capelle aan den IJssel
ⓘ
Hollandsche IJssel ⓘ
surface form:
Hollandse IJssel
Krimpen aan den IJssel ⓘ South Holland ⓘ |
| locatedInEstuaryOf | Nieuwe Maas ⓘ |
| locatedNear | Krimpen aan den IJssel bridge ⓘ |
| maintainedBy | Rijkswaterstaat ⓘ |
| namedAfter |
Hollandsche IJssel
ⓘ
surface form:
Hollandse IJssel
|
| near | Rotterdam ⓘ |
| numberOfGates | 2 ⓘ |
| opened | 1958 ⓘ |
| operator | Rijkswaterstaat ⓘ |
| partOf | Delta Works ⓘ |
| protects |
Randstad metropolitan region
ⓘ
surface form:
Randstad
Rotterdam–The Hague metropolitan area ⓘ
surface form:
Rotterdam region
low-lying areas along the Hollandse IJssel ⓘ |
| purpose |
flood protection
ⓘ
storm surge protection ⓘ |
| regionServed |
South Holland
ⓘ
Western Netherlands ⓘ
surface form:
western Netherlands
|
| riskAddressed |
river flooding
ⓘ
storm tide ⓘ |
| status | operational ⓘ |
| waterwayCrossed |
Hollandsche IJssel
ⓘ
surface form:
Hollandse IJssel
|
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: Stormvloedkering Hollandse IJssel Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
storm surge barrier at Krimpen aan den IJssel
this entity surface form:
storm surge barrier at Algerabrug