Teufelssee
E145508
Teufelssee is a small natural lake in Berlin known for its scenic setting, recreational swimming, and clothing-optional bathing area.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Teufelssee canonical | 3 |
| Teufelssee (Devil’s Lake) | 1 |
| Teufelssee (Grunewald) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1205984 — 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: Teufelssee Context triple: [Grunewald forest, contains, Teufelssee]
-
A.
Staffelsee
Staffelsee is a picturesque lake in southern Bavaria, Germany, known for its islands, warm bathing waters, and scenic Alpine surroundings.
-
B.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
-
C.
Bad Waldsee
Bad Waldsee is a historic spa town in the German state of Baden-Württemberg, known for its thermal baths and picturesque old town.
-
D.
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.
-
E.
Maschsee
Maschsee is an artificial lake and popular recreational area in Hanover, Germany, known for boating, walking paths, and cultural events.
- 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: Teufelssee Target entity description: Teufelssee is a small natural lake in Berlin known for its scenic setting, recreational swimming, and clothing-optional bathing area.
-
A.
Staffelsee
Staffelsee is a picturesque lake in southern Bavaria, Germany, known for its islands, warm bathing waters, and scenic Alpine surroundings.
-
B.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
-
C.
Bad Waldsee
Bad Waldsee is a historic spa town in the German state of Baden-Württemberg, known for its thermal baths and picturesque old town.
-
D.
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.
-
E.
Maschsee
Maschsee is an artificial lake and popular recreational area in Hanover, Germany, known for boating, walking paths, and cultural events.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
natural lake ⓘ |
| country | Germany ⓘ |
| hasAccess | public transport from central Berlin ⓘ |
| hasFeature |
designated nudist area
ⓘ
protected natural environment ⓘ public bathing beach ⓘ wooded shoreline ⓘ |
| hasNameInLanguage | Teufelssee@de ⓘ |
| hasRegulation |
clothing-optional bathing permitted
ⓘ
nature protection rules apply ⓘ |
| knownFor |
clothing-optional bathing area
ⓘ
recreational swimming ⓘ scenic natural setting ⓘ |
| literalMeaning | Devil's Lake ⓘ |
| locatedIn |
Berlin
ⓘ
Charlottenburg-Wilmersdorf ⓘ Grunewald forest ⓘ Teufelsfenn nature reserve ⓘ West Berlin ⓘ state of Berlin ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| near |
Berlin Grunewald forest paths
ⓘ
Havel River ⓘ Teufelsberg ⓘ |
| partOf |
Grunewald chain of lakes
ⓘ
linked to:
Berlin lake system
|
| usedFor |
hiking access
ⓘ
nature recreation ⓘ sunbathing ⓘ swimming ⓘ |
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: Teufelssee Description of subject: Teufelssee is a small natural lake in Berlin known for its scenic setting, recreational swimming, and clothing-optional bathing area.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Teufelssee
linked to: Teufelssee