Langer See
E444977
Langer See is a long, narrow lake in southeastern Berlin that forms part of the city’s interconnected Spree–Dahme waterway and is popular for boating and watersports.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Langer See canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4407443 — 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: Langer See Context triple: [Berlin lake system, hasPart, Langer See]
-
A.
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.
-
B.
Stölpchensee
Stölpchensee is a small lake in southwestern Berlin, Germany, known for its scenic setting within the Grunewald forest and its connection to the nearby Großer Wannsee.
-
C.
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.
-
D.
Schlosssee
Schlosssee is a scenic lake in the spa town of Bad Waldsee in southern Germany, known for recreation and its picturesque natural setting.
-
E.
Lake Heiligensee
Lake Heiligensee is a small freshwater lake in the Heiligensee district of Berlin, Germany, known for its recreational use and scenic natural surroundings.
- 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: Langer See Target entity description: Langer See is a long, narrow lake in southeastern Berlin that forms part of the city’s interconnected Spree–Dahme waterway and is popular for boating and watersports.
-
A.
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.
-
B.
Stölpchensee
Stölpchensee is a small lake in southwestern Berlin, Germany, known for its scenic setting within the Grunewald forest and its connection to the nearby Großer Wannsee.
-
C.
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.
-
D.
Schlosssee
Schlosssee is a scenic lake in the spa town of Bad Waldsee in southern Germany, known for recreation and its picturesque natural setting.
-
E.
Lake Heiligensee
Lake Heiligensee is a small freshwater lake in the Heiligensee district of Berlin, Germany, known for its recreational use and scenic natural surroundings.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
lake ⓘ |
| connectedTo |
Dahme
NERFINISHED
ⓘ
other Berlin lakes via Spree–Dahme waterway ⓘ |
| country | Germany NERFINISHED ⓘ |
| environmentType | urban lake ⓘ |
| hasActivity |
canoeing
ⓘ
motor boating ⓘ rowing ⓘ sailing ⓘ swimming ⓘ |
| hasNearbyFacility |
boat rental stations
ⓘ
marinas ⓘ rowing clubs ⓘ sailing clubs ⓘ |
| hasShoreOn |
Grünau
NERFINISHED
ⓘ
Köpenick NERFINISHED ⓘ Müggelberg area ⓘ Wendenschloß NERFINISHED ⓘ |
| hasTransportRole | inland waterway traffic in Berlin ⓘ |
| inflow | Dahme NERFINISHED ⓘ |
| languageOfToponym | German ⓘ |
| literalMeaning | Long Lake in German ⓘ |
| locatedIn |
Berlin
NERFINISHED
ⓘ
southeastern Berlin ⓘ |
| locatedInAdministrativeTerritory | Treptow-Köpenick NERFINISHED ⓘ |
| locatedInContinent | Europe ⓘ |
| locatedInRegion |
Berlin-Brandenburg metropolitan region
NERFINISHED
ⓘ
State of Berlin NERFINISHED ⓘ |
| outflow | Dahme NERFINISHED ⓘ |
| partOf |
Dahme river system
NERFINISHED
ⓘ
Spree–Dahme waterway NERFINISHED ⓘ |
| shape | long and narrow ⓘ |
| tourism | popular local recreation area ⓘ |
| usedFor |
boating
ⓘ
recreation ⓘ water sports ⓘ |
| waterType | freshwater lake ⓘ |
| waterwayFunction |
link between Dahme and other Berlin lakes
ⓘ
navigation route in Berlin ⓘ |
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: Langer See Description of subject: Langer See is a long, narrow lake in southeastern Berlin that forms part of the city’s interconnected Spree–Dahme waterway and is popular for boating and watersports.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.