Tahkuna Lighthouse
E143201
Tahkuna Lighthouse is a historic cast-iron lighthouse located on the northern tip of Hiiumaa Island in Estonia, known for being one of the tallest lighthouses in the country.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tahkuna Lighthouse canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1162839 — 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: Tahkuna Lighthouse Context triple: [Hiiumaa, hasLighthouse, Tahkuna 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.
Kõpu Lighthouse
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.
-
E.
Baron Bliss Lighthouse
Baron Bliss Lighthouse is a prominent coastal beacon and memorial in Belize, honoring the English benefactor Baron Bliss and serving as a notable historic symbol of Belize City.
- 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: Tahkuna Lighthouse Target entity description: Tahkuna Lighthouse is a historic cast-iron lighthouse located on the northern tip of Hiiumaa Island in Estonia, known for being one of the tallest lighthouses in the country.
-
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.
Kõpu Lighthouse
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.
-
E.
Baron Bliss Lighthouse
Baron Bliss Lighthouse is a prominent coastal beacon and memorial in Belize, honoring the English benefactor Baron Bliss and serving as a notable historic symbol of Belize City.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
cast-iron lighthouse
ⓘ
historic building ⓘ lighthouse ⓘ |
| category |
Buildings and structures in Hiiu County
ⓘ
Lighthouses in Estonia ⓘ Tourist attractions in Hiiumaa ⓘ |
| characteristic | one of the tallest lighthouses in Estonia ⓘ |
| color | white ⓘ |
| constructionMethod | prefabricated cast-iron segments ⓘ |
| constructionStart | 1873 ⓘ |
| country | Estonia ⓘ |
| designedBy | Henri Lepaute company ⓘ |
| designedIn | France ⓘ |
| focalHeight | approximately 42 metres above sea level ⓘ |
| function | coastal lighthouse ⓘ |
| hasAdjacentStructures |
auxiliary buildings
ⓘ
keeper’s house ⓘ |
| hasObservationPlatform | yes ⓘ |
| hasStaircase | internal metal staircase ⓘ |
| height | approximately 42.7 metres ⓘ |
| heritageStatus | protected cultural monument of Estonia ⓘ |
| historicalEra | 19th century ⓘ |
| lanternColor | red ⓘ |
| lightCharacteristic | Fl W 10s (example notation; white flashing every 10 seconds) ⓘ |
| lightRange | approximately 18 nautical miles ⓘ |
| locatedIn |
Hiiu County
ⓘ
Hiiumaa ⓘ
surface form:
Hiiumaa Island
Tahkuna Peninsula ⓘ |
| locatedOn | Baltic Sea ⓘ |
| locationDescription | northern tip of Hiiumaa Island ⓘ |
| managedBy | Estonian Maritime Administration ⓘ |
| manufacturer | Henri Lepaute company ⓘ |
| material | cast iron ⓘ |
| nearbySettlement | Tahkuna ⓘ |
| nearbyTown | Käina ⓘ |
| notableFor |
prefabricated cast-iron construction
ⓘ
prominent landmark on the northern coast of Hiiumaa ⓘ |
| openToPublic | yes ⓘ |
| originalOpticType | Fresnel lens ⓘ |
| powerSource | electric light ⓘ |
| purpose | aids navigation in the Baltic Sea ⓘ |
| region | Hiiumaa ⓘ |
| survivedConflict | World War II ⓘ |
| tourismType | maritime heritage tourism attraction ⓘ |
| towerShape | cylindrical tower with balcony and lantern ⓘ |
| yearLit | 1875 ⓘ |
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: Tahkuna Lighthouse Description of subject: Tahkuna Lighthouse is a historic cast-iron lighthouse located on the northern tip of Hiiumaa Island in Estonia, known for being one of the tallest lighthouses in the country.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.