Ouderkerkerplas
E249830
Ouderkerkerplas is a recreational lake in the Netherlands known for swimming, watersports, and nature activities near the village of Ouderkerk aan de Amstel.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ouderkerkerplas canonical | 1 |
| recreational area Ouderkerkerplas | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2255041 — 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: Ouderkerkerplas Context triple: [Ouderkerk aan de Amstel, hasNearbyWaterBody, Ouderkerkerplas]
-
A.
Westeinderplassen
Westeinderplassen is a large lake and recreational water area in the Dutch province of North Holland, known for boating, water sports, and horticulture.
-
B.
Gaasperplas
Gaasperplas is a lake and recreational area in the southeastern part of Amsterdam, known for its park, beach, and water activities.
-
C.
Roelofarendsveen
Roelofarendsveen is a town in the Dutch province of South Holland that serves as the administrative center of the municipality of Kaag en Braassem.
-
D.
Krimpenerwaard
Krimpenerwaard is a rural municipality in the Dutch province of South Holland, known for its polder landscapes, dikes, and traditional villages between the rivers Lek and Hollandse IJssel.
-
E.
Ooijpolder
Ooijpolder is a Dutch riverine polder and nature area near Nijmegen, known for its scenic floodplains, wetlands, and rich birdlife along the Waal River.
- 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: Ouderkerkerplas Target entity description: Ouderkerkerplas is a recreational lake in the Netherlands known for swimming, watersports, and nature activities near the village of Ouderkerk aan de Amstel.
-
A.
Westeinderplassen
Westeinderplassen is a large lake and recreational water area in the Dutch province of North Holland, known for boating, water sports, and horticulture.
-
B.
Gaasperplas
Gaasperplas is a lake and recreational area in the southeastern part of Amsterdam, known for its park, beach, and water activities.
-
C.
Roelofarendsveen
Roelofarendsveen is a town in the Dutch province of South Holland that serves as the administrative center of the municipality of Kaag en Braassem.
-
D.
Krimpenerwaard
Krimpenerwaard is a rural municipality in the Dutch province of South Holland, known for its polder landscapes, dikes, and traditional villages between the rivers Lek and Hollandse IJssel.
-
E.
Ooijpolder
Ooijpolder is a Dutch riverine polder and nature area near Nijmegen, known for its scenic floodplains, wetlands, and rich birdlife along the Waal River.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
recreational lake ⓘ |
| country | Netherlands ⓘ |
| hasAccess | public access ⓘ |
| hasActivity |
angling
ⓘ
birdwatching ⓘ cycling ⓘ recreational diving ⓘ sailing ⓘ stand-up paddleboarding ⓘ walking ⓘ windsurfing ⓘ |
| hasEnvironment |
naturalistic surroundings
ⓘ
wetland areas ⓘ |
| hasFeature |
beach areas
ⓘ
bird habitats ⓘ cycling paths ⓘ designated swimming areas ⓘ diving spots ⓘ green recreational zones ⓘ walking paths ⓘ |
| hasInfrastructure |
parking areas
ⓘ
recreational facilities ⓘ |
| hasRegulation |
swimming allowed in designated zones
ⓘ
watersports subject to local rules ⓘ |
| hasSeason | most popular in summer ⓘ |
| hasWildlife |
fish species
ⓘ
water birds ⓘ |
| languageOfPlaceName | Dutch ⓘ |
| locatedIn |
Ouderkerk aan de Amstel
ⓘ
municipality of Ouder-Amstel ⓘ province of North Holland ⓘ |
| locatedNear | village of Ouderkerk aan de Amstel ⓘ |
| near | Amsterdam metropolitan area ⓘ |
| partOf |
Ouderkerkerplas
self-linksurface differs
ⓘ
surface form:
recreational area Ouderkerkerplas
|
| usedFor |
nature activities
ⓘ
recreation ⓘ swimming ⓘ watersports ⓘ |
| waterType | freshwater ⓘ |
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: Ouderkerkerplas Description of subject: Ouderkerkerplas is a recreational lake in the Netherlands known for swimming, watersports, and nature activities near the village of Ouderkerk aan de Amstel.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
recreational area Ouderkerkerplas