Kõpu Lighthouse
E141682
Kõpu Lighthouse is one of the oldest continuously operating lighthouses in the world, located on the Estonian island of Hiiumaa and serving as a historic navigational landmark in the Baltic Sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kõpu Lighthouse canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1162838 — 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: Kõpu Lighthouse Context triple: [Hiiumaa, hasLighthouse, Kõpu Lighthouse]
-
A.
Fidra Lighthouse
Fidra Lighthouse is a coastal navigational beacon located on the uninhabited island of Fidra in the Firth of Forth, Scotland, guiding maritime traffic in the surrounding waters.
-
B.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
C.
Cape Poge Lighthouse
Cape Poge Lighthouse is a historic coastal beacon on Chappaquiddick Island in Massachusetts, known for guiding ships through the waters off Martha’s Vineyard.
-
D.
Tokarevsky Lighthouse
Tokarevsky Lighthouse is a historic coastal beacon near Vladivostok, Russia, known for guiding ships through the approaches to the city’s harbor on the Sea of Japan.
-
E.
Hel lighthouse
Hel lighthouse is a historic coastal beacon and popular tourist landmark located at the tip of Poland’s Hel Peninsula on the Baltic Sea.
- 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: Kõpu Lighthouse Target entity description: Kõpu Lighthouse is one of the oldest continuously operating lighthouses in the world, located on the Estonian island of Hiiumaa and serving as a historic navigational landmark in the Baltic Sea.
-
A.
Fidra Lighthouse
Fidra Lighthouse is a coastal navigational beacon located on the uninhabited island of Fidra in the Firth of Forth, Scotland, guiding maritime traffic in the surrounding waters.
-
B.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
C.
Cape Poge Lighthouse
Cape Poge Lighthouse is a historic coastal beacon on Chappaquiddick Island in Massachusetts, known for guiding ships through the waters off Martha’s Vineyard.
-
D.
Tokarevsky Lighthouse
Tokarevsky Lighthouse is a historic coastal beacon near Vladivostok, Russia, known for guiding ships through the approaches to the city’s harbor on the Sea of Japan.
-
E.
Hel lighthouse
Hel lighthouse is a historic coastal beacon and popular tourist landmark located at the tip of Poland’s Hel Peninsula on the Baltic Sea.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cultural heritage monument
ⓘ
lighthouse ⓘ navigational aid ⓘ tourist attraction ⓘ |
| access | open to visitors ⓘ |
| architecturalType | tower ⓘ |
| associatedWith | Baltic maritime history ⓘ |
| builtFor | navigation safety in the Baltic Sea ⓘ |
| category |
Buildings and structures in Hiiumaa
ⓘ
Lighthouses in Estonia ⓘ Maritime heritage sites in the Baltic Sea ⓘ |
| constructionStart | early 16th century ⓘ |
| continent | Europe ⓘ |
| country | Estonia ⓘ |
| environment | forested peninsula ⓘ |
| function | maritime navigation ⓘ |
| hasFeature |
lantern
ⓘ
observation platform ⓘ |
| hasNameInLanguage | Kõpu tuletorn (Estonian) ⓘ |
| hasStairs | internal staircase for visitors ⓘ |
| heritageStatus | one of the oldest lighthouses in the Baltic Sea region ⓘ |
| isPartOf |
Hiiu County
ⓘ
Hiiumaa Parish ⓘ
surface form:
Kõrgessaare Parish
|
| locatedIn |
Estonia
ⓘ
Hiiumaa ⓘ |
| locatedNear | Baltic Sea shipping routes ⓘ |
| locatedOn |
Baltic Sea
ⓘ
Kõpu Peninsula ⓘ |
| managedBy | Estonian maritime authorities ⓘ |
| material | stone ⓘ |
| nearbySettlement | Kõpu ⓘ |
| notableFor |
age
ⓘ
continuous operation ⓘ role in Baltic Sea trade routes ⓘ |
| offersViewOf |
Baltic Sea
ⓘ
Hiiumaa landscape ⓘ |
| oneOfTheOldest | continuously operating lighthouses in the world ⓘ |
| operationalStatus | continuously operating ⓘ |
| purpose | to guide ships in the Baltic Sea ⓘ |
| region |
Hiiumaa
ⓘ
surface form:
western Hiiumaa
|
| shape | massive square tower ⓘ |
| significance |
historic symbol of Estonian maritime heritage
ⓘ
important landmark for Baltic Sea navigation ⓘ |
| status | active ⓘ |
| tourism | popular tourist destination on Hiiumaa ⓘ |
| usedBy |
merchant ships
ⓘ
naval vessels ⓘ |
| usedSince | 16th century ⓘ |
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: Kõpu Lighthouse Description of subject: Kõpu Lighthouse is one of the oldest continuously operating lighthouses in the world, located on the Estonian island of Hiiumaa and serving as a historic navigational landmark in the Baltic Sea.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.