Imatra spillway
E1030913
Imatra spillway is a dramatic man-made water channel in Imatra, Finland, known for its powerful, scenic water releases associated with the nearby hydroelectric power plant and tourist shows.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Imatra spillway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13279544 — 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: Imatra spillway Context triple: [Imatra hydropower plant, hasSpillway, Imatra spillway]
-
A.
Rivelin Dams
Rivelin Dams are a series of reservoirs in Sheffield, South Yorkshire, built to supply water and manage flow along the River Rivelin valley.
-
B.
Vaalkop Dam
Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
-
C.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
D.
Solina Dam
Solina Dam is a major hydroelectric and flood-control dam in southeastern Poland, known for creating the large artificial Solina Lake in the Bieszczady region.
-
E.
Solbergfoss dam
Solbergfoss dam is a major hydroelectric dam on the Glomma River in Norway, forming part of the Solbergfoss power station complex and contributing significantly to regional power generation.
- 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: Imatra spillway Target entity description: Imatra spillway is a dramatic man-made water channel in Imatra, Finland, known for its powerful, scenic water releases associated with the nearby hydroelectric power plant and tourist shows.
-
A.
Rivelin Dams
Rivelin Dams are a series of reservoirs in Sheffield, South Yorkshire, built to supply water and manage flow along the River Rivelin valley.
-
B.
Vaalkop Dam
Vaalkop Dam is a major reservoir in South Africa used primarily for water supply and irrigation in the Crocodile (West) and Marico region.
-
C.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
D.
Solina Dam
Solina Dam is a major hydroelectric and flood-control dam in southeastern Poland, known for creating the large artificial Solina Lake in the Bieszczady region.
-
E.
Solbergfoss dam
Solbergfoss dam is a major hydroelectric dam on the Glomma River in Norway, forming part of the Solbergfoss power station complex and contributing significantly to regional power generation.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
spillway
ⓘ
tourist attraction ⓘ |
| associatedWith |
Imatra hydroelectric power plant
NERFINISHED
ⓘ
Imatrankoski rapids NERFINISHED ⓘ |
| city | Imatra NERFINISHED ⓘ |
| constructionEndDate | 1929 ⓘ |
| constructionStartDate | 1922 ⓘ |
| country |
Finland
ⓘ
Republic of Finland NERFINISHED ⓘ |
| designedFor | hydropower diversion ⓘ |
| hasFunction |
hydroelectric regulation
ⓘ
water discharge channel ⓘ |
| hasMaximumFlowRate | hundreds of cubic metres per second (approximate) GENERATED ⓘ |
| hasStatus | controlled water release ⓘ |
| hasTouristShow |
evening light and sound shows
ⓘ
scheduled spillway openings ⓘ |
| hasUse |
flood control
ⓘ
tourist entertainment ⓘ |
| heritageDesignation | Finnish national landscape ⓘ |
| languageOfSignage |
English
ⓘ
Finnish ⓘ Swedish ⓘ |
| lighting | colored illumination during shows ⓘ |
| locatedIn |
Imatra
NERFINISHED
ⓘ
South Karelia NERFINISHED ⓘ |
| locatedOnWatercourse | Vuoksi River NERFINISHED ⓘ |
| near |
Imatra State Hotel
NERFINISHED
ⓘ
Imatra city centre NERFINISHED ⓘ Imatrankoski bridge NERFINISHED ⓘ |
| notableFor |
artificial waterfall shows
ⓘ
dramatic water releases ⓘ historic rapids landscape ⓘ |
| openingDate | 1929 ⓘ |
| operator | Imatran Seudun Sähkö NERFINISHED ⓘ |
| ownedBy | Fortum NERFINISHED ⓘ |
| partOf | Imatra hydropower complex NERFINISHED ⓘ |
| peakTouristSeason | summer ⓘ |
| region | South Karelia NERFINISHED ⓘ |
| replaced | natural free-flowing Imatrankoski rapids ⓘ |
| soundSystem | music-accompanied shows ⓘ |
| touristInfrastructure |
information boards
ⓘ
viewing platforms ⓘ walking paths ⓘ |
| touristType |
industrial tourism site
ⓘ
scenic attraction ⓘ |
| typicalOpeningFrequency | several times per week in summer ⓘ |
| viewpoint |
Imatrankoski bridge
NERFINISHED
ⓘ
observation terraces ⓘ |
| watercourse | Vuoksi NERFINISHED ⓘ |
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: Imatra spillway Description of subject: Imatra spillway is a dramatic man-made water channel in Imatra, Finland, known for its powerful, scenic water releases associated with the nearby hydroelectric power plant and tourist shows.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.