Harzwasserwerke GmbH
E1016227
Harzwasserwerke GmbH is a German water management company that operates reservoirs, dams, and water supply systems in the Harz region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Harzwasserwerke | 3 |
| Harzwasserwerke GmbH canonical | 3 |
| Niedersächsische Harzwasserwerke | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13025640 — 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: Harzwasserwerke GmbH Context triple: [Oker Dam, owner, Harzwasserwerke GmbH]
-
A.
Wuppertaler Stadtwerke
Wuppertaler Stadtwerke is the municipal utility company of Wuppertal, Germany, responsible for public transport, including the iconic suspension railway, as well as energy and water services.
-
B.
Bavarian water authorities
The Bavarian water authorities are regional governmental agencies in Bavaria responsible for overseeing water management, including rivers, lakes, flood protection, and water quality.
-
C.
Stadtwerke Hannover
Stadtwerke Hannover is a municipal utility company based in Hanover, Germany, responsible for providing services such as energy and water to the city and surrounding region.
-
D.
Ruhrverband
Ruhrverband is a German water management association responsible for operating reservoirs, dams, and water infrastructure in the Ruhr river basin.
-
E.
Schluchseewerk AG
Schluchseewerk AG is a German energy company best known for operating major hydropower and pumped-storage plants in the Black Forest region.
- 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: Harzwasserwerke GmbH Target entity description: Harzwasserwerke GmbH is a German water management company that operates reservoirs, dams, and water supply systems in the Harz region.
-
A.
Wuppertaler Stadtwerke
Wuppertaler Stadtwerke is the municipal utility company of Wuppertal, Germany, responsible for public transport, including the iconic suspension railway, as well as energy and water services.
-
B.
Bavarian water authorities
The Bavarian water authorities are regional governmental agencies in Bavaria responsible for overseeing water management, including rivers, lakes, flood protection, and water quality.
-
C.
Stadtwerke Hannover
Stadtwerke Hannover is a municipal utility company based in Hanover, Germany, responsible for providing services such as energy and water to the city and surrounding region.
-
D.
Ruhrverband
Ruhrverband is a German water management association responsible for operating reservoirs, dams, and water infrastructure in the Ruhr river basin.
-
E.
Schluchseewerk AG
Schluchseewerk AG is a German energy company best known for operating major hydropower and pumped-storage plants in the Black Forest region.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
water management company ⓘ |
| country | Germany ⓘ |
| focusesOn |
drinking water supply
ⓘ
flood protection ⓘ water resources management ⓘ |
| foundedIn | 1996 ⓘ |
| hasHeadquartersLocation | Hildesheim ⓘ |
| hasWebsite | https://www.harzwasserwerke.de ⓘ |
| industry |
water management
ⓘ
water supply ⓘ |
| languageOfWorkOrName | German ⓘ |
| legalForm | GmbH ⓘ |
| locatedIn | Lower Saxony ⓘ |
| manages | Harz water reservoirs ⓘ |
| operates |
dam
ⓘ
reservoir ⓘ water supply system ⓘ |
| operatesInRegion | Harz ⓘ |
| owns |
Ecker Dam
ⓘ
linked to:
Rappbode Dam
Grane Dam ⓘ Innerste Dam ⓘ Oker Dam ⓘ Söse Dam ⓘ |
| predecessor |
Niedersächsische Harzwasserwerke
ⓘ
linked to:
Harzwasserwerke GmbH
|
| providesService |
drinking water treatment
ⓘ
flood control ⓘ hydropower generation ⓘ raw water supply ⓘ |
| serviceArea |
Bremen
ⓘ
Hamburg ⓘ Lower Saxony ⓘ Schleswig-Holstein ⓘ |
| supplies |
drinking water utilities
ⓘ
industrial customers ⓘ |
| usesResource | Harz Mountains water resources ⓘ |
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: Harzwasserwerke GmbH Description of subject: Harzwasserwerke GmbH is a German water management company that operates reservoirs, dams, and water supply systems in the Harz region.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Harzwasserwerke GmbH
linked to: Harzwasserwerke GmbH
linked to: Harzwasserwerke GmbH
linked to: Harzwasserwerke GmbH