Okerstausee
E1028170
Okerstausee is an artificial reservoir in the Harz Mountains of Germany, popular for recreation and formed by the damming of the Oker River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Okerstausee canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13025632 — 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: Okerstausee Context triple: [Oker Dam, reservoirName, Okerstausee]
-
A.
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.
-
B.
Kulkwitzer See
Kulkwitzer See is a popular lake and leisure area in Saxony, Germany, known for swimming, diving, and other outdoor recreational activities.
-
C.
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.
-
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.
Segeberger See
Segeberger See is a lake in Schleswig-Holstein, northern Germany, known for its scenic surroundings and proximity to the town of Bad Segeberg.
- 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: Okerstausee Target entity description: Okerstausee is an artificial reservoir in the Harz Mountains of Germany, popular for recreation and formed by the damming of the Oker River.
-
A.
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.
-
B.
Kulkwitzer See
Kulkwitzer See is a popular lake and leisure area in Saxony, Germany, known for swimming, diving, and other outdoor recreational activities.
-
C.
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.
-
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.
Segeberger See
Segeberger See is a lake in Schleswig-Holstein, northern Germany, known for its scenic surroundings and proximity to the town of Bad Segeberg.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Artificial lake
ⓘ
Reservoir ⓘ |
| basinCountry | Germany ⓘ |
| country | Germany ⓘ |
| crossedBy | B498 ⓘ |
| formedBy | Oker Dam ⓘ |
| hasActivity | Passenger boat tours ⓘ |
| hasDam | Oker Dam ⓘ |
| hasFunction |
Low-water regulation
ⓘ
Peak-load power generation ⓘ |
| hasNearbyRoad | Bundesstraße 498 ⓘ |
| hasNearbySettlement | Schulenberg im Oberharz ⓘ |
| hasNearbyStructure |
Oker Dam power station
ⓘ
linked to:
Oker Dam hydroelectric power plant
|
| hasShoreFeature | Forested slopes ⓘ |
| hasTourismInfrastructure |
Boat landing stages
ⓘ
Car parks ⓘ Hiking trails ⓘ Viewpoints ⓘ |
| inflow | Oker ⓘ |
| locatedIn |
Goslar district
ⓘ
linked to:
District of Goslar
Harz Mountains ⓘ
linked to:
Harz
Lower Saxony ⓘ Oker valley ⓘ |
| locatedInProtectedArea | Harz Nature Park ⓘ |
| locatedInRegion |
Upper Harz
ⓘ
linked to:
Harz district
|
| locatedOnRiver | Oker ⓘ |
| near |
Altenau
ⓘ
Clausthal-Zellerfeld ⓘ
linked to:
Clausthal
Schulenberg im Oberharz ⓘ |
| operator |
Harzwasserwerke
ⓘ
linked to:
Harzwasserwerke GmbH
|
| outflow | Oker ⓘ |
| partOf | Harz water management system ⓘ |
| purpose |
Flood control
ⓘ
Hydroelectric power generation ⓘ Recreation ⓘ Water supply ⓘ |
| region |
State of Lower Saxony
ⓘ
linked to:
Lower Saxony
|
| usedFor |
Boating
ⓘ
Fishing ⓘ Hiking ⓘ Tourism ⓘ |
| watercourse | Oker ⓘ |
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: Okerstausee Description of subject: Okerstausee is an artificial reservoir in the Harz Mountains of Germany, popular for recreation and formed by the damming of the Oker River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
river Oker