Långe Jan lighthouse
E538394
Långe Jan lighthouse is a historic, tall coastal beacon located at the southern tip of the Swedish island of Öland, renowned as a landmark for both maritime navigation and birdwatching tourism.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Långe Jan lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5655897 — 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: Långe Jan lighthouse Context triple: [Ottenby Nature Reserve, hasPart, Långe Jan lighthouse]
-
A.
Christiansø Lighthouse
Christiansø Lighthouse is a historic coastal lighthouse located on the small Danish island of Christiansø in the Baltic Sea, serving as a navigational aid and local landmark.
-
B.
Ristna Lighthouse
Ristna Lighthouse is a historic coastal beacon located on the western tip of Hiiumaa Island in Estonia, guiding ships in the Baltic Sea.
-
C.
Akraberg lighthouse
Akraberg lighthouse is a remote coastal beacon on the southern tip of Suðuroy in the Faroe Islands, known for guiding North Atlantic shipping and offering dramatic ocean views.
-
D.
Jastarnia lighthouse
Jastarnia lighthouse is a coastal navigational beacon on Poland’s Hel Peninsula, guiding Baltic Sea maritime traffic and serving as a local tourist attraction.
-
E.
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.
- 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: Långe Jan lighthouse Target entity description: Långe Jan lighthouse is a historic, tall coastal beacon located at the southern tip of the Swedish island of Öland, renowned as a landmark for both maritime navigation and birdwatching tourism.
-
A.
Christiansø Lighthouse
Christiansø Lighthouse is a historic coastal lighthouse located on the small Danish island of Christiansø in the Baltic Sea, serving as a navigational aid and local landmark.
-
B.
Ristna Lighthouse
Ristna Lighthouse is a historic coastal beacon located on the western tip of Hiiumaa Island in Estonia, guiding ships in the Baltic Sea.
-
C.
Akraberg lighthouse
Akraberg lighthouse is a remote coastal beacon on the southern tip of Suðuroy in the Faroe Islands, known for guiding North Atlantic shipping and offering dramatic ocean views.
-
D.
Jastarnia lighthouse
Jastarnia lighthouse is a coastal navigational beacon on Poland’s Hel Peninsula, guiding Baltic Sea maritime traffic and serving as a local tourist attraction.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
coastal lighthouse
ⓘ
lighthouse ⓘ tourist attraction ⓘ |
| automated | yes ⓘ |
| automationYear | 1948 ⓘ |
| constructionMaterial |
brick
ⓘ
stone ⓘ |
| constructionTechnique | masonry tower ⓘ |
| coordinates | 56.197°N 16.400°E ⓘ |
| country | Sweden ⓘ |
| hasBalcony | yes ⓘ |
| hasKeeperDwelling | yes ⓘ |
| hasLantern | yes ⓘ |
| hasNameInSwedish | Långe Jan NERFINISHED ⓘ |
| hasViewingPlatform | yes ⓘ |
| height |
41.6 metres
ⓘ
about 42 metres ⓘ |
| heritageStatus | listed building in Sweden ⓘ |
| laterLightSource |
electric lamp
ⓘ
gas lamp ⓘ kerosene lamp ⓘ |
| lightCharacteristic | Fl W 5s ⓘ |
| lightRange | about 24 nautical miles ⓘ |
| locatedAt | Ottenby NERFINISHED ⓘ |
| locatedIn |
Mörbylånga Municipality
NERFINISHED
ⓘ
Öland NERFINISHED ⓘ |
| locatedInBodyOfWater | Baltic Sea NERFINISHED ⓘ |
| locatedInRegion | Kalmar County NERFINISHED ⓘ |
| locatedOn | southern tip of Öland ⓘ |
| managedBy | Swedish Maritime Administration NERFINISHED ⓘ |
| marking | white tower with black band ⓘ |
| nameMeaning | Tall John NERFINISHED ⓘ |
| near | Ottenby Bird Observatory NERFINISHED ⓘ |
| notableFor |
being one of the tallest lighthouses in Sweden
ⓘ
bird migration observation ⓘ |
| openToPublic | yes ⓘ |
| originalLightSource | open fire ⓘ |
| ownedBy | Swedish state NERFINISHED ⓘ |
| partOf | Ottenby Nature Reserve NERFINISHED ⓘ |
| powerSource | electric ⓘ |
| primaryUse | maritime navigation ⓘ |
| secondaryUse |
birdwatching
ⓘ
tourism ⓘ |
| touristSeason | mainly summer ⓘ |
| towerShape | cylindrical tower ⓘ |
| yearLit | 1785 ⓘ |
| yearOfCurrentStructure | 1785 ⓘ |
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: Långe Jan lighthouse Description of subject: Långe Jan lighthouse is a historic, tall coastal beacon located at the southern tip of the Swedish island of Öland, renowned as a landmark for both maritime navigation and birdwatching tourism.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.