Grevelingendam
E20274
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Grevelingendam canonical | 14 |
| Grevelingen Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T118686 — 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: Grevelingendam Context triple: [Rhine–Meuse–Scheldt delta, hasFloodProtectionStructure, Grevelingendam]
-
A.
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.
-
B.
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.
-
C.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
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.
Grevelingen
Grevelingen is a large saltwater lake and former estuary in the southwestern Netherlands, known for its nature reserves, water sports, and role in the Delta Works coastal defense system.
- 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: Grevelingendam Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
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.
Grevelingen
Grevelingen is a large saltwater lake and former estuary in the southwestern Netherlands, known for its nature reserves, water sports, and role in the Delta Works coastal defense system.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Delta Works structure
ⓘ
dam ⓘ |
| connects |
Goeree-Overflakkee
ⓘ
Schouwen-Duiveland ⓘ |
| country | Netherlands ⓘ |
| crosses |
Eastern Scheldt
ⓘ
surface form:
Grevelingen estuary
|
| hasFunction |
coastal defense
ⓘ
hydraulic engineering structure ⓘ |
| hasNearbySettlement |
Brouwershaven
ⓘ
Bruinisse ⓘ Ouddorp ⓘ |
| hasPart | N59 road ⓘ |
| locatedIn |
South Holland
ⓘ
Southwestern Netherlands ⓘ Zeeland ⓘ |
| locatedInBodyOfWater | Grevelingen ⓘ |
| maintainedBy | Rijkswaterstaat ⓘ |
| openedForTraffic | 20th century ⓘ |
| partOf |
Delta Works
ⓘ
Delta Works ⓘ
surface form:
Rhine–Meuse–Scheldt delta defenses
|
| partOfProject |
Delta Works
ⓘ
surface form:
Dutch Delta Plan
|
| protects | Rhine–Meuse–Scheldt delta ⓘ |
| protectsFrom | flooding ⓘ |
| separates |
Grevelingenmeer
ⓘ
North Sea ⓘ |
| usedFor |
road transport
ⓘ
storm surge protection ⓘ |
| waterBodyCreated | Grevelingenmeer ⓘ |
| waterBodyTypeSeparated |
North Sea arm
ⓘ
saltwater lake ⓘ |
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: Grevelingendam Description of subject: 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.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grevelingen Dam