Jungfernsee
E161906
Jungfernsee is a scenic lake on the outskirts of Potsdam and Berlin, known for its historic villas, palaces, and location along the former inner German border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jungfernsee canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T1367048 — 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: Jungfernsee Context triple: [Havel River, connectedTo, Jungfernsee]
-
A.
Königssee
Königssee is a picturesque alpine lake in southeastern Germany, renowned for its emerald-green waters, steep surrounding mountains, and status as one of the cleanest lakes in the country.
-
B.
Staffelsee
Staffelsee is a picturesque lake in southern Bavaria, Germany, known for its islands, warm bathing waters, and scenic Alpine surroundings.
-
C.
Starnberger See
Starnberger See is a large, scenic lake in southern Germany known for its affluent lakeside communities, recreational activities, and historical associations with Bavarian royalty.
-
D.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
-
E.
Tegernsee
Tegernsee is a picturesque alpine lake in southern Germany renowned for its clear waters, surrounding mountains, and popular spa and resort towns.
- 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: Jungfernsee Target entity description: Jungfernsee is a scenic lake on the outskirts of Potsdam and Berlin, known for its historic villas, palaces, and location along the former inner German border.
-
A.
Königssee
Königssee is a picturesque alpine lake in southeastern Germany, renowned for its emerald-green waters, steep surrounding mountains, and status as one of the cleanest lakes in the country.
-
B.
Staffelsee
Staffelsee is a picturesque lake in southern Bavaria, Germany, known for its islands, warm bathing waters, and scenic Alpine surroundings.
-
C.
Starnberger See
Starnberger See is a large, scenic lake in southern Germany known for its affluent lakeside communities, recreational activities, and historical associations with Bavarian royalty.
-
D.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
-
E.
Tegernsee
Tegernsee is a picturesque alpine lake in southern Germany renowned for its clear waters, surrounding mountains, and popular spa and resort towns.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | lake ⓘ |
| borderedBy |
Berlin
ⓘ
Brandenburg ⓘ |
| country | Germany ⓘ |
| hasArea | approximately 1.25 km² ⓘ |
| hasFeature |
recreational boating
ⓘ
walking and cycling paths along the shore ⓘ waterways used by shipping on the Havel ⓘ |
| hasGermanName | Jungfernsee ⓘ |
| hasMaximumDepth | approximately 4.5 m ⓘ |
| hasNearbyCulturalHeritage |
UNESCO-listed palaces and parks of Potsdam and Berlin
ⓘ
linked to:
Palaces and Parks of Potsdam and Berlin
|
| hasNearbyStructure |
former border control facilities (historical)
ⓘ
historic lakeside villas ⓘ palatial buildings in Neuer Garten ⓘ |
| hasRecreation |
rowing
ⓘ
sailing ⓘ tourist sightseeing cruises ⓘ |
| hasShoreLength | approximately 7.5 km ⓘ |
| inflow | Havel ⓘ |
| isNavigable | yes ⓘ |
| knownFor |
historic villas
ⓘ
location along former inner German border ⓘ palaces along its shores ⓘ scenic landscape ⓘ |
| locatedIn |
Brandenburg
ⓘ
Potsdam ⓘ |
| locatedInRegion |
Berlin–Brandenburg metropolitan region
ⓘ
linked to:
Berlin-Brandenburg metropolitan region
|
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| locatedNear |
Cecilienhof Palace
ⓘ
Glienicke Bridge ⓘ
linked to:
Glienicker Brücke
Neuer Garten ⓘ Pfaueninsel (Peacock Island) ⓘ
linked to:
Peacock Island
Sacrow ⓘ |
| locatedNorthOf |
Potsdam city center
ⓘ
linked to:
Potsdam
|
| locatedOn |
outskirts of Berlin
ⓘ
outskirts of Potsdam ⓘ |
| locatedSouthwestOf |
Berlin city center
ⓘ
linked to:
Berlin
|
| outflow | Havel ⓘ |
| partOf |
Havel river system
ⓘ
linked to:
Havel River
Potsdam cultural landscape ⓘ
linked to:
Palaces and Parks of Potsdam and Berlin
UNESCO World Heritage cultural landscape of Potsdam and Berlin surroundings ⓘ
linked to:
Palaces and Parks of Potsdam and Berlin
water landscape of Berlin–Brandenburg ⓘ |
| usedAs | border lake between East Germany and West Berlin ⓘ |
| wasPartOf | inner German border zone during the Cold War ⓘ |
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: Jungfernsee Description of subject: Jungfernsee is a scenic lake on the outskirts of Potsdam and Berlin, known for its historic villas, palaces, and location along the former inner German border.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.