Zwenkauer See
E736919
Zwenkauer See is a large artificial lake in Saxony, Germany, created by flooding a former open-cast lignite mine and now used as a recreational and nature area near the town of Zwenkau.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Markkleeberger See | 1 |
| Zwenkauer See canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8147798 — 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: Zwenkauer See Context triple: [Zwenkau, hasNearbyFeature, Zwenkauer See]
-
A.
Plauer See
Plauer See is a large lake in northeastern Germany known for its scenic natural surroundings, recreational activities, and role as part of the extensive Mecklenburg lake system.
-
B.
Kummerower See
Kummerower See is a large lake in northeastern Germany, known for its natural landscapes, water sports, and role as a popular recreational area within the Mecklenburg Lake District.
-
C.
Ziegelsee
Ziegelsee is a lake in the city of Schwerin in northern Germany, known for its scenic waterfront and role in the region’s interconnected lake system.
-
D.
Kettwiger See
Kettwiger See is a reservoir on the Ruhr River in North Rhine-Westphalia, Germany, used for water management, recreation, and local energy production.
-
E.
Ostorfer See
Ostorfer See is a lake in the German state of Mecklenburg-Vorpommern, forming part of the lake landscape around the city of Schwerin.
- 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: Zwenkauer See Target entity description: Zwenkauer See is a large artificial lake in Saxony, Germany, created by flooding a former open-cast lignite mine and now used as a recreational and nature area near the town of Zwenkau.
-
A.
Plauer See
Plauer See is a large lake in northeastern Germany known for its scenic natural surroundings, recreational activities, and role as part of the extensive Mecklenburg lake system.
-
B.
Kummerower See
Kummerower See is a large lake in northeastern Germany, known for its natural landscapes, water sports, and role as a popular recreational area within the Mecklenburg Lake District.
-
C.
Ziegelsee
Ziegelsee is a lake in the city of Schwerin in northern Germany, known for its scenic waterfront and role in the region’s interconnected lake system.
-
D.
Kettwiger See
Kettwiger See is a reservoir on the Ruhr River in North Rhine-Westphalia, Germany, used for water management, recreation, and local energy production.
-
E.
Ostorfer See
Ostorfer See is a lake in the German state of Mecklenburg-Vorpommern, forming part of the lake landscape around the city of Schwerin.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
flooded open-cast mine ⓘ |
| averageDepth | approximately 22 metres ⓘ |
| basinCountry | Germany ⓘ |
| country | Germany NERFINISHED ⓘ |
| elevation | approximately 113 metres above sea level ⓘ |
| floodingCompletion | around 2014 ⓘ |
| floodingStart | early 2000s ⓘ |
| formerUse | lignite mining ⓘ |
| hasActivity |
birdwatching
ⓘ
cycling ⓘ kitesurfing ⓘ sailing ⓘ swimming ⓘ windsurfing ⓘ |
| hasFacility |
bathing beaches
ⓘ
cycling paths ⓘ hiking trails ⓘ marina ⓘ viewpoints ⓘ |
| hasProtectedArea | nature reserve zones on the lakeshore ⓘ |
| inflow |
Weiße Elster
NERFINISHED
ⓘ
rainwater ⓘ |
| languageOfName | German ⓘ |
| locatedIn |
Leipzig district
NERFINISHED
ⓘ
Lusatian–Leipzig lignite mining region NERFINISHED ⓘ Saxony NERFINISHED ⓘ Weiße Elster river basin NERFINISHED ⓘ |
| locatedNear | Zwenkau NERFINISHED ⓘ |
| locatedSouthOf | Leipzig NERFINISHED ⓘ |
| managedBy | local and regional authorities of Saxony ⓘ |
| maximumDepth | approximately 48 metres ⓘ |
| mineName | Tagebau Zwenkau NERFINISHED ⓘ |
| namedAfter | Zwenkau NERFINISHED ⓘ |
| nearbySettlement |
Leipzig
NERFINISHED
ⓘ
Zwenkau NERFINISHED ⓘ |
| openedForRecreation | around 2015 ⓘ |
| origin | former open-cast lignite mine ⓘ |
| outflow | Weiße Elster NERFINISHED ⓘ |
| partOf |
Central German Lake District
NERFINISHED
ⓘ
post-mining landscape of Saxony ⓘ |
| reclamationMethod | controlled flooding ⓘ |
| surfaceArea |
approximately 9.7 square kilometres
ⓘ
approximately 970 hectares ⓘ |
| use |
nature conservation
ⓘ
recreational area ⓘ tourism ⓘ water sports ⓘ |
| volume | approximately 0.17 cubic kilometres ⓘ |
| waterBodyType | lake ⓘ |
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: Zwenkauer See Description of subject: Zwenkauer See is a large artificial lake in Saxony, Germany, created by flooding a former open-cast lignite mine and now used as a recreational and nature area near the town of Zwenkau.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Markkleeberger See