Oderteich reservoir
E1033849
The Oderteich reservoir is a historic high-altitude dam lake in Germany’s Harz Mountains, notable for its early 18th-century construction and role in regional water management and mining.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oderteich reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13208481 — 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: Oderteich reservoir Context triple: [Harz National Park, contains, Oderteich reservoir]
-
A.
Seliger Lake
Seliger Lake is a large glacial lake in northwestern Russia, known for its scenic, island-dotted waters and popularity as a nature and recreation destination.
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B.
Goitzsche lake
Goitzsche lake is a large artificial lake in Saxony-Anhalt, Germany, created by flooding former open-cast lignite mines and now used as a recreational and nature area.
-
C.
Cospudener See
Cospudener See is a popular artificial lake and recreational area near Leipzig in Saxony, Germany, known for swimming, sailing, and lakeside leisure activities.
-
D.
Würmsee
Würmsee is the historical name of the Bavarian lake now known as Starnberger See, one of Germany’s largest and most famous lakes near Munich.
-
E.
Lake Wörthsee
Lake Wörthsee is a scenic Bavarian lake in southern Germany known for its clear waters, recreational activities, and proximity to Munich.
- 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: Oderteich reservoir Target entity description: The Oderteich reservoir is a historic high-altitude dam lake in Germany’s Harz Mountains, notable for its early 18th-century construction and role in regional water management and mining.
-
A.
Seliger Lake
Seliger Lake is a large glacial lake in northwestern Russia, known for its scenic, island-dotted waters and popularity as a nature and recreation destination.
-
B.
Goitzsche lake
Goitzsche lake is a large artificial lake in Saxony-Anhalt, Germany, created by flooding former open-cast lignite mines and now used as a recreational and nature area.
-
C.
Cospudener See
Cospudener See is a popular artificial lake and recreational area near Leipzig in Saxony, Germany, known for swimming, sailing, and lakeside leisure activities.
-
D.
Würmsee
Würmsee is the historical name of the Bavarian lake now known as Starnberger See, one of Germany’s largest and most famous lakes near Munich.
-
E.
Lake Wörthsee
Lake Wörthsee is a scenic Bavarian lake in southern Germany known for its clear waters, recreational activities, and proximity to Munich.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
dam lake ⓘ reservoir ⓘ |
| basinCountry | Germany ⓘ |
| constructionStartDate | 1715 ⓘ |
| country | Germany NERFINISHED ⓘ |
| damHeight | about 21 metres ⓘ |
| damLength | about 585 metres ⓘ |
| damType |
earth-fill dam
ⓘ
granite block embankment dam ⓘ |
| elevation | about 725 metres above sea level ⓘ |
| hasNearbyRoad | Bundesstraße 242 NERFINISHED ⓘ |
| hasNearbyTrail | Harzer Hexenstieg long-distance trail NERFINISHED ⓘ |
| hasRecreationalActivity |
angling (regulated)
ⓘ
bathing (partly restricted) ⓘ hiking ⓘ |
| hasSpillway | granite-lined spillway ⓘ |
| heritageDesignation |
historic monument
ⓘ
listed cultural monument of Lower Saxony ⓘ |
| inception | 1722 ⓘ |
| locatedIn |
Goslar district
NERFINISHED
ⓘ
Harz Mountains NERFINISHED ⓘ Harz National Park NERFINISHED ⓘ Lower Saxony ⓘ |
| locatedInProtectedArea | Harz National Park NERFINISHED ⓘ |
| locatedOnWatercourse | Oder (Harz) River NERFINISHED ⓘ |
| managingOrganization | Harzwasserwerke GmbH NERFINISHED ⓘ |
| maximumDepth | about 20 metres ⓘ |
| near |
Braunlage
NERFINISHED
ⓘ
Sankt Andreasberg NERFINISHED ⓘ |
| notableFor |
being one of the oldest large dams in Germany still in operation
ⓘ
historic high-altitude dam construction in the Harz ⓘ |
| openingDate | 1722 ⓘ |
| outflow | Oder (Harz) River NERFINISHED ⓘ |
| partOf |
Oberharzer Wasserregal
NERFINISHED
ⓘ
Upper Harz water management system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ water management ⓘ water supply for mining ⓘ |
| surfaceArea | about 16 hectares ⓘ |
| UNESCOWorldHeritageSite | Mines of Rammelsberg, Historic Town of Goslar and Upper Harz Water Management System NERFINISHED ⓘ |
| usedFor |
driving pumps
ⓘ
driving stamp mills ⓘ driving water wheels ⓘ hydropower for mining operations ⓘ |
| volume | about 1.7 million cubic metres ⓘ |
| waterSource | Oder (Harz) River and its catchment ⓘ |
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: Oderteich reservoir Description of subject: The Oderteich reservoir is a historic high-altitude dam lake in Germany’s Harz Mountains, notable for its early 18th-century construction and role in regional water management and mining.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.