Ptuj Lake
E498391
Ptuj Lake is an artificial reservoir on the Drava River in northeastern Slovenia, known as the country’s largest reservoir and a popular spot for recreation and birdwatching near the town of Ptuj.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ptuj Lake canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5122894 — 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: Ptuj Lake Context triple: [Ptuj, hasLake, Ptuj Lake]
-
A.
Lake Bohinj
Lake Bohinj is the largest permanent lake in Slovenia, a glacial lake renowned for its clear waters and scenic setting within the Julian Alps and Triglav National Park.
-
B.
Rupanco Lake
Rupanco Lake is a scenic glacial lake in Chile’s Los Lagos Region, known for its clear waters, surrounding volcanoes, and popularity for fishing and outdoor recreation.
-
C.
Štrkovec Lake
Štrkovec Lake is a popular urban recreational lake in the Ružinov district of Bratislava, known for its walking paths, sports facilities, and local wildlife.
-
D.
Biogradsko Lake
Biogradsko Lake is a glacial lake in northeastern Montenegro renowned for its clear waters and surrounding primeval forest within Biogradska Gora National Park.
-
E.
Lake Mandrensko
Lake Mandrensko is a large coastal lake in southeastern Bulgaria, situated near the city of Burgas and known for its ecological significance and role in local fisheries and bird habitats.
- 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: Ptuj Lake Target entity description: Ptuj Lake is an artificial reservoir on the Drava River in northeastern Slovenia, known as the country’s largest reservoir and a popular spot for recreation and birdwatching near the town of Ptuj.
-
A.
Lake Bohinj
Lake Bohinj is the largest permanent lake in Slovenia, a glacial lake renowned for its clear waters and scenic setting within the Julian Alps and Triglav National Park.
-
B.
Rupanco Lake
Rupanco Lake is a scenic glacial lake in Chile’s Los Lagos Region, known for its clear waters, surrounding volcanoes, and popularity for fishing and outdoor recreation.
-
C.
Štrkovec Lake
Štrkovec Lake is a popular urban recreational lake in the Ružinov district of Bratislava, known for its walking paths, sports facilities, and local wildlife.
-
D.
Biogradsko Lake
Biogradsko Lake is a glacial lake in northeastern Montenegro renowned for its clear waters and surrounding primeval forest within Biogradska Gora National Park.
-
E.
Lake Mandrensko
Lake Mandrensko is a large coastal lake in southeastern Bulgaria, situated near the city of Burgas and known for its ecological significance and role in local fisheries and bird habitats.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| country | Slovenia ⓘ |
| countrySubdivision | Drava Statistical Region ⓘ |
| formedBy | dam on the Drava River ⓘ |
| hasActivity |
cycling
ⓘ
jogging ⓘ walking ⓘ |
| hasFeature |
bird habitats
ⓘ
embankment paths ⓘ wetlands ⓘ |
| hasNearbyCity | Ptuj ⓘ |
| isLargestReservoirIn | Slovenia ⓘ |
| knownFor |
being the largest reservoir in Slovenia
ⓘ
birdwatching ⓘ recreational tourism ⓘ |
| locatedIn | northeastern Slovenia ⓘ |
| locatedNear | Ptuj ⓘ |
| locatedOnRiver |
Drava River
ⓘ
linked to:
Drava
|
| partOfRiverBasin |
Drava basin
ⓘ
linked to:
Drava Valley
|
| region | Styria ⓘ |
| usedFor |
birdwatching
ⓘ
fishing ⓘ recreation ⓘ water sports ⓘ |
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: Ptuj Lake Description of subject: Ptuj Lake is an artificial reservoir on the Drava River in northeastern Slovenia, known as the country’s largest reservoir and a popular spot for recreation and birdwatching near the town of Ptuj.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.