Ringvaart canal
E376262
The Ringvaart canal is a major encircling waterway in North Holland, Netherlands, constructed to drain the Haarlemmermeer polder and now serving both drainage and navigation purposes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ringvaart canal canonical | 6 |
| Ringvaart canal system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3645078 — 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: Ringvaart canal Context triple: [Lijnden, hasWaterway, Ringvaart canal]
-
A.
Wilhelmina Canal
The Wilhelmina Canal is a major Dutch waterway in the province of North Brabant, constructed to improve regional shipping and industrial transport connections.
-
B.
Pannerdens Kanaal
Pannerdens Kanaal is a man-made canal in the Netherlands that diverts water from the Rhine to regulate flow between the Waal and IJssel rivers and support navigation and flood control.
-
C.
Mittelland Canal
The Mittelland Canal is Germany’s longest artificial waterway, running east–west across the country to link major rivers and form a key inland shipping route.
-
D.
Amsterdam–Rhine Canal
The Amsterdam–Rhine Canal is a major Dutch waterway that connects Amsterdam to the Rhine River, serving as an important route for inland shipping and transport.
-
E.
Scheldt–Rhine Canal
The Scheldt–Rhine Canal is a major shipping canal in the Netherlands that provides a direct navigable link between the Scheldt and Rhine river systems, facilitating international maritime and inland transport.
- 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: Ringvaart canal Target entity description: The Ringvaart canal is a major encircling waterway in North Holland, Netherlands, constructed to drain the Haarlemmermeer polder and now serving both drainage and navigation purposes.
-
A.
Wilhelmina Canal
The Wilhelmina Canal is a major Dutch waterway in the province of North Brabant, constructed to improve regional shipping and industrial transport connections.
-
B.
Pannerdens Kanaal
Pannerdens Kanaal is a man-made canal in the Netherlands that diverts water from the Rhine to regulate flow between the Waal and IJssel rivers and support navigation and flood control.
-
C.
Mittelland Canal
The Mittelland Canal is Germany’s longest artificial waterway, running east–west across the country to link major rivers and form a key inland shipping route.
-
D.
Amsterdam–Rhine Canal
The Amsterdam–Rhine Canal is a major Dutch waterway that connects Amsterdam to the Rhine River, serving as an important route for inland shipping and transport.
-
E.
Scheldt–Rhine Canal
The Scheldt–Rhine Canal is a major shipping canal in the Netherlands that provides a direct navigable link between the Scheldt and Rhine river systems, facilitating international maritime and inland transport.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
waterway ⓘ |
| adjacentTo |
Schiphol Airport
ⓘ
linked to:
Amsterdam Airport Schiphol
|
| connectedTo |
Boezem of Rijnland
ⓘ
Haarlem ⓘ Kagerplassen ⓘ Leiden ⓘ Westeinderplassen ⓘ |
| constructedFor | draining Haarlemmermeer lake ⓘ |
| constructionStart | 19th century ⓘ |
| country | Netherlands ⓘ |
| encircles |
Haarlemmermeer polder
ⓘ
linked to:
Haarlemmermeer
|
| engineeringSignificance | major 19th-century Dutch hydraulic engineering work ⓘ |
| hasBridge |
railway bridges
ⓘ
road bridges ⓘ |
| hasFeature | towpaths in some sections ⓘ |
| hasFunction |
drainage canal
ⓘ
navigable canal ⓘ |
| hasLegalStatus | navigable waterway ⓘ |
| hasLock | various navigation locks ⓘ |
| hasRole | primary drainage channel for Haarlemmermeer polder ⓘ |
| hasUse |
inland navigation route
ⓘ
recreational fishing ⓘ sailing and motor boating ⓘ |
| historicalUse |
reclamation of Haarlemmermeer
ⓘ
linked to:
Haarlemmermeer drainage project
|
| locatedIn |
Haarlemmermeer region
ⓘ
North Holland ⓘ Randstad ⓘ
linked to:
Randstad metropolitan region
|
| managingAuthority | Hoogheemraadschap van Rijnland ⓘ |
| mouthOf | drainage outlets to surrounding boezem system ⓘ |
| namedAfter | its ring-shaped course around Haarlemmermeer ⓘ |
| near |
Amsterdam
ⓘ
Haarlem ⓘ Leiden ⓘ |
| partOf |
Dutch canal network
ⓘ
Haarlemmermeer drainage system ⓘ
linked to:
Haarlemmermeer drainage project
|
| purpose |
land drainage
ⓘ
navigation ⓘ |
| region | western Netherlands ⓘ |
| shape | roughly circular ⓘ |
| surrounds |
Haarlemmermeer polder
ⓘ
linked to:
Haarlemmermeer
|
| usedFor |
recreational boating
ⓘ
shipping ⓘ water management ⓘ |
| waterBodyType | ring canal ⓘ |
| waterSource | regional polder systems ⓘ |
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: Ringvaart canal Description of subject: The Ringvaart canal is a major encircling waterway in North Holland, Netherlands, constructed to drain the Haarlemmermeer polder and now serving both drainage and navigation purposes.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.