Sihlsee
E383463
Sihlsee is an artificial lake in the Swiss canton of Schwyz, created by damming the Sihl River and used primarily for hydroelectric power generation and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sihlsee canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3700347 — 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: Sihlsee Context triple: [Sihl River, associatedReservoir, Sihlsee]
-
A.
Sihlsee dam
The Sihlsee dam is a Swiss hydroelectric dam that creates Lake Sihl, a reservoir used for power generation and flood control near Zurich.
-
B.
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.
-
C.
Münchenbuchsee
Münchenbuchsee is a municipality in the canton of Bern, Switzerland, known as the birthplace of the influential modernist painter Paul Klee.
-
D.
Alpsee
Alpsee is a picturesque alpine lake in Bavaria, Germany, renowned for its clear waters and scenic setting near the royal castles of Neuschwanstein and Hohenschwangau.
-
E.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
- 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: Sihlsee Target entity description: Sihlsee is an artificial lake in the Swiss canton of Schwyz, created by damming the Sihl River and used primarily for hydroelectric power generation and recreation.
-
A.
Sihlsee dam
The Sihlsee dam is a Swiss hydroelectric dam that creates Lake Sihl, a reservoir used for power generation and flood control near Zurich.
-
B.
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.
-
C.
Münchenbuchsee
Münchenbuchsee is a municipality in the canton of Bern, Switzerland, known as the birthplace of the influential modernist painter Paul Klee.
-
D.
Alpsee
Alpsee is a picturesque alpine lake in Bavaria, Germany, renowned for its clear waters and scenic setting near the royal castles of Neuschwanstein and Hohenschwangau.
-
E.
Schluchsee
Schluchsee is a large reservoir and popular recreational lake in Germany’s Black Forest, known for swimming, sailing, and scenic hiking.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry | Switzerland ⓘ |
| catchmentArea | about 156 km² ⓘ |
| connectedTo | Sihl River ⓘ |
| constructionStart | 1932 ⓘ |
| country | Switzerland ⓘ |
| createdBy | Sihlsee dam ⓘ |
| damHeight | about 33 m ⓘ |
| damLength | about 124 m ⓘ |
| elevationAboveSeaLevel |
about 889 m
ⓘ
approximately 890 metres ⓘ |
| frozenInSeason | winter (in some years) ⓘ |
| hasDamType | gravity dam ⓘ |
| hasIsland | Ufnau (seasonal small islets and shoals may appear) ⓘ |
| hasRecreationalFacility |
bathing areas
ⓘ
boat rentals ⓘ camping sites ⓘ lakeside walking trails ⓘ |
| inflow |
Sihl River
ⓘ
surface form:
Sihl
|
| locatedIn |
Einsiedeln District
ⓘ
Prealps ⓘ Sihl valley ⓘ Swiss Alps ⓘ canton of Schwyz NERFINISHED ⓘ |
| locatedNear |
Alpthal
ⓘ
Einsiedeln ⓘ Gross ⓘ Willerzell ⓘ |
| maxLength | about 8.5 km ⓘ |
| maxWidth | about 2.5 km ⓘ |
| nearCity | Zurich ⓘ |
| openingDate | 1937 ⓘ |
| operator | Einsiedeln power company ⓘ |
| outflow |
Sihl River
ⓘ
surface form:
Sihl
|
| partOf | Sihl hydroelectric scheme ⓘ |
| purpose |
hydroelectric power generation
ⓘ
recreation ⓘ |
| supplies | hydropower to Zurich region ⓘ |
| surfaceArea |
11 km²
ⓘ
approximately 11 square kilometres ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ flood control ⓘ ice sports in winter ⓘ 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: Sihlsee Description of subject: Sihlsee is an artificial lake in the Swiss canton of Schwyz, created by damming the Sihl River and used primarily for hydroelectric power generation and recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.