Volkerakdam
E20541
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Volkerakdam canonical | 5 |
| Oosterscheldekering | 2 |
| Volkerak locks | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T118689 — 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: Volkerakdam Context triple: [Rhine–Meuse–Scheldt delta, hasFloodProtectionStructure, Volkerakdam]
-
A.
Grevelingendam
Grevelingendam is a major dam in the southwestern Netherlands that forms part of the Delta Works, protecting the Rhine–Meuse–Scheldt delta from flooding while separating the Grevelingenmeer from the North Sea.
-
B.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
C.
Brouwersdam
Brouwersdam is a major Dutch dam and causeway in the Rhine–Meuse–Scheldt delta, built as part of the Delta Works to protect the Netherlands from North Sea flooding while supporting road traffic and water management.
-
D.
Haringvlietdam
Haringvlietdam is a major Dutch storm surge barrier and dam complex that regulates water flow and protects the southwestern Netherlands from flooding as part of the Delta Works.
-
E.
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.
- 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: Volkerakdam Target entity description: 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.
-
A.
Grevelingendam
Grevelingendam is a major dam in the southwestern Netherlands that forms part of the Delta Works, protecting the Rhine–Meuse–Scheldt delta from flooding while separating the Grevelingenmeer from the North Sea.
-
B.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
C.
Brouwersdam
Brouwersdam is a major Dutch dam and causeway in the Rhine–Meuse–Scheldt delta, built as part of the Delta Works to protect the Netherlands from North Sea flooding while supporting road traffic and water management.
-
D.
Haringvlietdam
Haringvlietdam is a major Dutch storm surge barrier and dam complex that regulates water flow and protects the southwestern Netherlands from flooding as part of the Delta Works.
-
E.
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.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
Delta Works structure
ⓘ
dam ⓘ water management structure ⓘ |
| connects |
Goeree-Overflakkee
ⓘ
surface form:
island of Goeree-Overflakkee
mainland of North Brabant ⓘ |
| country | Netherlands ⓘ |
| crosses | Volkerak ⓘ |
| designedFor | storm surge control ⓘ |
| hasComponent |
locks
ⓘ
shipping lock complex ⓘ sluices ⓘ |
| locatedIn |
Rhine–Meuse–Scheldt delta
ⓘ
North Brabant ⓘ
surface form:
province of North Brabant
Zeeland ⓘ
surface form:
province of Zeeland
Southwestern Netherlands ⓘ
surface form:
southwestern Netherlands
|
| locatedNear |
Grevelingendam
ⓘ
Haringvlietdam ⓘ Philipsdam ⓘ |
| managesWaterFrom |
Meuse
ⓘ
Rhine ⓘ Scheldt ⓘ |
| partOf |
Delta Works
ⓘ
Dutch coastal defense system ⓘ Delta Works ⓘ
surface form:
Rhine–Meuse–Scheldt estuary protection system
infrastructure of the Delta Plan ⓘ |
| protects | low-lying areas of the southwestern Netherlands ⓘ |
| purpose |
flood protection
ⓘ
freshwater management ⓘ storm surge protection ⓘ water level control ⓘ |
| separates |
Hollands Diep
ⓘ
Volkerak lake ⓘ |
| usedFor |
navigation
ⓘ
road transport ⓘ water discharge regulation ⓘ |
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: Volkerakdam Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oosterscheldekering
this entity surface form:
Oosterscheldekering
this entity surface form:
Volkerak locks
subject surface form:
Volkerak