Oostvoornse Meer
E513643
Oostvoornse Meer is a recreational lake in the Dutch province of South Holland, popular for activities such as diving, windsurfing, and nature walks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oostvoornse Meer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5315113 — 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: Oostvoornse Meer Context triple: [Oostvoorne, locatedNear, Oostvoornse Meer]
-
A.
Veerse Meer
Veerse Meer is a coastal lagoon and recreational lake in the Dutch province of Zeeland, popular for water sports and nature conservation.
-
B.
Uitgeestermeer
Uitgeestermeer is a lake in North Holland, the Netherlands, known for its recreational boating, sailing, and natural wetland surroundings near the town of Uitgeest.
-
C.
Blausee
Blausee is a small, crystal-clear alpine lake in the Swiss Bernese Oberland, famed for its striking blue waters and tranquil forest surroundings.
-
D.
Alkmaardermeer
Alkmaardermeer is a lake in North Holland, the Netherlands, known for recreational boating, sailing, and waterside leisure activities.
-
E.
IJsselmeer
IJsselmeer is a large shallow freshwater lake in the central Netherlands, created by the closure of the Zuiderzee and known for its dikes, reclaimed polders, and importance to Dutch water management and recreation.
- 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: Oostvoornse Meer Target entity description: Oostvoornse Meer is a recreational lake in the Dutch province of South Holland, popular for activities such as diving, windsurfing, and nature walks.
-
A.
Veerse Meer
Veerse Meer is a coastal lagoon and recreational lake in the Dutch province of Zeeland, popular for water sports and nature conservation.
-
B.
Uitgeestermeer
Uitgeestermeer is a lake in North Holland, the Netherlands, known for its recreational boating, sailing, and natural wetland surroundings near the town of Uitgeest.
-
C.
Blausee
Blausee is a small, crystal-clear alpine lake in the Swiss Bernese Oberland, famed for its striking blue waters and tranquil forest surroundings.
-
D.
Alkmaardermeer
Alkmaardermeer is a lake in North Holland, the Netherlands, known for recreational boating, sailing, and waterside leisure activities.
-
E.
IJsselmeer
IJsselmeer is a large shallow freshwater lake in the central Netherlands, created by the closure of the Zuiderzee and known for its dikes, reclaimed polders, and importance to Dutch water management and recreation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
recreational area ⓘ |
| climateZone | temperate maritime climate ⓘ |
| connectedTo | North Sea via water management structures ⓘ |
| country | Netherlands ⓘ |
| formedBy | closure of former sea inlets and industrial development ⓘ |
| hasActivity |
boat diving
ⓘ
shore diving ⓘ |
| hasBiodiversity |
aquatic plants
ⓘ
various fish species ⓘ water birds ⓘ |
| hasBottomType |
rocky structures for diving
ⓘ
sandy bottom ⓘ |
| hasFacility |
beaches
ⓘ
bird observation points ⓘ diving platforms ⓘ diving schools ⓘ parking areas ⓘ walking trails ⓘ |
| hasIndustrialUseNearby | Port of Rotterdam expansion area ⓘ |
| hasProtectionStatus | Natura 2000 site (surrounding area) ⓘ |
| hasRegulation |
designated zones for water sports
ⓘ
nature protection rules ⓘ |
| hasReputation |
popular Dutch diving location
ⓘ
popular windsurfing spot ⓘ |
| hasShoreType |
reed beds
ⓘ
sandy shores ⓘ |
| hasType |
artificial lake
ⓘ
former estuarine water body ⓘ |
| locatedIn |
municipality of Westvoorne
ⓘ
province of South Holland ⓘ |
| locatedNear |
North Sea
ⓘ
village of Oostvoorne ⓘ |
| locatedOn | island of Voorne-Putten ⓘ |
| managedBy | local authorities of Westvoorne ⓘ |
| nearbyCity | Rotterdam ⓘ |
| partOf | Voordelta coastal area ⓘ |
| usedFor |
birdwatching
ⓘ
diving ⓘ fishing ⓘ kitesurfing ⓘ nature walks ⓘ recreation ⓘ windsurfing ⓘ |
| waterType | brackish water ⓘ |
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: Oostvoornse Meer Description of subject: Oostvoornse Meer is a recreational lake in the Dutch province of South Holland, popular for activities such as diving, windsurfing, and nature walks.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.