Lek River
E189739
The Lek River is a major distributary branch of the Rhine in the Netherlands, playing an important role in the country’s inland waterway network and flood management system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lek River canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T1270915 — 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: Lek River Context triple: [Lek, hasName, Lek River]
-
A.
Kama River
The Kama River is a major waterway in western Russia that serves as one of the largest and most significant tributaries of the Volga River.
-
B.
Umgeni River
The Umgeni River is a major river in South Africa that flows through KwaZulu-Natal to the Indian Ocean, passing through the city of Durban and supporting important ecological and urban systems.
-
C.
Meshwo River
Meshwo River is a smaller river in western India that serves as one of the tributaries feeding into the Sabarmati River system.
-
D.
Mula River
The Mula River is a major river in the Indian state of Maharashtra that flows through the city of Pune and forms part of its urban river system.
-
E.
Mapocho River
The Mapocho River is a major waterway flowing through the city of Santiago, Chile, historically central to its development and urban landscape.
- 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: Lek River Target entity description: The Lek River is a major distributary branch of the Rhine in the Netherlands, playing an important role in the country’s inland waterway network and flood management system.
-
A.
Kama River
The Kama River is a major waterway in western Russia that serves as one of the largest and most significant tributaries of the Volga River.
-
B.
Umgeni River
The Umgeni River is a major river in South Africa that flows through KwaZulu-Natal to the Indian Ocean, passing through the city of Durban and supporting important ecological and urban systems.
-
C.
Meshwo River
Meshwo River is a smaller river in western India that serves as one of the tributaries feeding into the Sabarmati River system.
-
D.
Mula River
The Mula River is a major river in the Indian state of Maharashtra that flows through the city of Pune and forms part of its urban river system.
-
E.
Mapocho River
The Mapocho River is a major waterway flowing through the city of Santiago, Chile, historically central to its development and urban landscape.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
distributary
ⓘ
river ⓘ |
| basinCountry | Netherlands ⓘ |
| connectedTo |
Amsterdam–Rhine Canal
ⓘ
Nederrijn ⓘ Nieuwe Maas ⓘ |
| country | Netherlands ⓘ |
| distributaryOf |
Rhine
ⓘ
surface form:
Rhine River
|
| floodManagementRole | important for Dutch flood control system ⓘ |
| flowsThrough |
Culemborg
NERFINISHED
ⓘ
IJsselstein NERFINISHED ⓘ Krimpenerwaard ⓘ Lopik ⓘ Nieuwegein NERFINISHED ⓘ Schoonhoven NERFINISHED ⓘ Vianen ⓘ Vianen municipality ⓘ Wijk bij Duurstede NERFINISHED ⓘ province of South Holland ⓘ province of Utrecht ⓘ |
| formsBorderBetween |
South Holland
ⓘ
Utrecht NERFINISHED ⓘ |
| hasBridge |
Brug bij Vianen (A2 motorway bridge)
ⓘ
Brug bij Vianen (A2 motorway bridge) ⓘ
surface form:
Brug bij Vianen (A27 motorway bridge)
Lek Bridge at Vianen ⓘ |
| hasFerry |
Culemborg–Schalkwijk ferry
ⓘ
Schoonhoven–Gelkenes ferry ⓘ |
| hasFloodDefences |
dikes
ⓘ
levees ⓘ weirs ⓘ |
| hasFunction | drainage of Rhine waters to North Sea via Nieuwe Maas ⓘ |
| hasTributary |
Hollandsche IJssel
ⓘ
surface form:
Hollandse IJssel (via connected system)
|
| length |
approximately 39 miles
ⓘ
approximately 62 kilometres ⓘ |
| locatedInRegion |
Western Netherlands
ⓘ
surface form:
western Netherlands
|
| mouthLocation |
Nieuwe Maas
ⓘ
near Kinderdijk ⓘ |
| nameLanguage | Dutch ⓘ |
| nearbyWorldHeritageSite |
Kinderdijk
ⓘ
surface form:
Kinderdijk-Elshout Mill Network
|
| partOf |
Lower Rhine
ⓘ
surface form:
Lower Rhine system
Rhine distributary network in the Netherlands ⓘ Rhine–Meuse–Scheldt delta ⓘ |
| sourceLocation | near Wijk bij Duurstede ⓘ |
| usedFor |
commercial shipping
ⓘ
recreational boating ⓘ water management ⓘ |
| waterwayRole |
major inland shipping route
ⓘ
part of Dutch inland waterway network ⓘ |
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: Lek River Description of subject: The Lek River is a major distributary branch of the Rhine in the Netherlands, playing an important role in the country’s inland waterway network and flood management system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.