Ouistreham lighthouse
E399599
Ouistreham Lighthouse is a coastal navigational tower in the Normandy town of Ouistreham, France, guiding ships at the mouth of the Caen Canal on the English Channel.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ouistreham lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3932693 — 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: Ouistreham lighthouse Context triple: [Ouistreham, hasLandmark, Ouistreham lighthouse]
-
A.
Hunstanton Lighthouse
Hunstanton Lighthouse is a historic coastal beacon in Hunstanton, Norfolk, England, overlooking The Wash and guiding ships along the east coast.
-
B.
Lowestoft Lighthouse
Lowestoft Lighthouse is a prominent coastal navigation light in Lowestoft, England, marking the UK’s most easterly point and guiding shipping in the North Sea.
-
C.
Berry Head Lighthouse
Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
-
D.
The Needles Lighthouse
The Needles Lighthouse is a prominent 19th-century lighthouse standing on a chalk stack off the western tip of the Isle of Wight, guiding ships through the treacherous waters of the English Channel.
-
E.
Perch Rock Lighthouse
Perch Rock Lighthouse is a historic 19th-century lighthouse off New Brighton at the mouth of the River Mersey in England, known for guiding ships entering the Port of Liverpool.
- 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: Ouistreham lighthouse Target entity description: Ouistreham Lighthouse is a coastal navigational tower in the Normandy town of Ouistreham, France, guiding ships at the mouth of the Caen Canal on the English Channel.
-
A.
Hunstanton Lighthouse
Hunstanton Lighthouse is a historic coastal beacon in Hunstanton, Norfolk, England, overlooking The Wash and guiding ships along the east coast.
-
B.
Lowestoft Lighthouse
Lowestoft Lighthouse is a prominent coastal navigation light in Lowestoft, England, marking the UK’s most easterly point and guiding shipping in the North Sea.
-
C.
Berry Head Lighthouse
Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
-
D.
The Needles Lighthouse
The Needles Lighthouse is a prominent 19th-century lighthouse standing on a chalk stack off the western tip of the Isle of Wight, guiding ships through the treacherous waters of the English Channel.
-
E.
Perch Rock Lighthouse
Perch Rock Lighthouse is a historic 19th-century lighthouse off New Brighton at the mouth of the River Mersey in England, known for guiding ships entering the Port of Liverpool.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ |
| access | accessible from the port area of Ouistreham ⓘ |
| associatedWith | Caen–Ouistreham ferry route ⓘ |
| color | white tower with red bands ⓘ |
| constructionStart | 1903 ⓘ |
| country | France ⓘ |
| focalHeight | approximately 43 metres ⓘ |
| function |
coastal navigation
ⓘ
guides ships entering and leaving the Caen Canal ⓘ |
| hasGallery | yes ⓘ |
| hasLantern | yes ⓘ |
| height | approximately 38 metres ⓘ |
| heritageStatus | Monument historique (France) ⓘ |
| inaugurationDate | 1905 ⓘ |
| lightCharacteristic | Flashing white light ⓘ |
| lightRange | approximately 16 nautical miles ⓘ |
| locatedAtMouthOf | Caen Canal ⓘ |
| locatedIn |
Calvados department
ⓘ
Normandy ⓘ Ouistreham ⓘ |
| locatedNear |
ferry terminal of Ouistreham
ⓘ
linked to:
Ouistreham
mouth of the Orne estuary ⓘ |
| locatedOnWaterbody | English Channel ⓘ |
| material | masonry ⓘ |
| operator |
French maritime authorities
ⓘ
linked to:
French state maritime administration
|
| ownedBy |
French state
ⓘ
linked to:
France
|
| purpose | ensure safety of maritime traffic along the Normandy coast ⓘ |
| region | northwestern France ⓘ |
| shape | cylindrical tower ⓘ |
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: Ouistreham lighthouse Description of subject: Ouistreham Lighthouse is a coastal navigational tower in the Normandy town of Ouistreham, France, guiding ships at the mouth of the Caen Canal on the English Channel.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.