Flevopolder
E487671
Flevopolder is a large artificial island and polder in the Netherlands, created by land reclamation and known as one of the world’s largest man-made islands.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Flevopolder canonical | 8 |
| Flevoland polder | 2 |
| Southern Flevopolder | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5013494 — 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: Flevopolder Context triple: [IJsselmeer, borderedBy, Flevopolder]
-
A.
Noordoostpolder
Noordoostpolder is a large Dutch polder and municipality in the province of Flevoland, created by land reclamation from the former Zuiderzee and known for its planned agricultural landscape and towns.
-
B.
Eemsdelta
Eemsdelta is a municipality in the Dutch province of Groningen, known for its coastal location along the Ems estuary and its mix of historic villages and industrial port areas.
-
C.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
D.
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.
-
E.
Ringvaart of the Haarlemmermeer
The Ringvaart of the Haarlemmermeer is a large encircling canal in the Netherlands that was constructed to drain the former Haarlemmermeer lake and now serves as a major waterway.
- 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: Flevopolder Target entity description: Flevopolder is a large artificial island and polder in the Netherlands, created by land reclamation and known as one of the world’s largest man-made islands.
-
A.
Noordoostpolder
Noordoostpolder is a large Dutch polder and municipality in the province of Flevoland, created by land reclamation from the former Zuiderzee and known for its planned agricultural landscape and towns.
-
B.
Eemsdelta
Eemsdelta is a municipality in the Dutch province of Groningen, known for its coastal location along the Ems estuary and its mix of historic villages and industrial port areas.
-
C.
Haarlemmermeer
Haarlemmermeer is a municipality in the province of North Holland in the Netherlands, best known for encompassing Amsterdam Airport Schiphol.
-
D.
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.
-
E.
Ringvaart of the Haarlemmermeer
The Ringvaart of the Haarlemmermeer is a large encircling canal in the Netherlands that was constructed to drain the former Haarlemmermeer lake and now serves as a major waterway.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
artificial island
ⓘ
man-made island ⓘ polder ⓘ |
| borderedBy |
Eemmeer
ⓘ
Gooimeer ⓘ IJsselmeer ⓘ Ketelmeer ⓘ Veluwemeer ⓘ |
| capitalLocatedIn | Lelystad ⓘ |
| contains |
city of Almere
ⓘ
linked to:
Almere
city of Lelystad ⓘ municipality of Dronten ⓘ municipality of Zeewolde ⓘ |
| country | Netherlands ⓘ |
| createdBy | land reclamation ⓘ |
| designedFor |
flood control
ⓘ
land expansion ⓘ |
| elevation | below sea level ⓘ |
| hasInfrastructure |
A6 motorway
ⓘ
N701 road (Larserweg) ⓘ |
| hasPart |
Eastern Flevopolder
ⓘ
linked to:
Eastern Flevoland
Southern Flevopolder ⓘ
linked to:
Flevopolder
|
| hasUse |
agriculture
ⓘ
nature reserves ⓘ recreation ⓘ residential area ⓘ |
| inception | 20th century ⓘ |
| knownFor |
agricultural land
ⓘ
being one of the world’s largest artificial islands ⓘ modern urban planning ⓘ |
| languageUsed | Dutch ⓘ |
| locatedIn |
IJsselmeer
ⓘ
central Netherlands ⓘ province of Flevoland ⓘ |
| locatedNear |
province of Gelderland
ⓘ
province of North Holland ⓘ province of Overijssel ⓘ
linked to:
Dutch province of Overijssel
province of Utrecht ⓘ
linked to:
Province of Utrecht
|
| partOf |
Dutch water management system
ⓘ
Flevoland ⓘ Zuiderzee Works ⓘ |
| surroundedBy | lakes and dikes ⓘ |
| waterManagement |
dike system
ⓘ
pumping stations ⓘ |
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: Flevopolder Description of subject: Flevopolder is a large artificial island and polder in the Netherlands, created by land reclamation and known as one of the world’s largest man-made islands.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Zeewolde, Netherlands
subject linked to:
Oostvaardersplassen (partly)
linked to: Flevopolder
linked to: Flevopolder
linked to: Flevopolder