Batticaloa Lighthouse
E89551
Batticaloa Lighthouse is a coastal beacon in eastern Sri Lanka that guides maritime navigation and serves as a notable historical and tourist attraction for the city of Batticaloa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Batticaloa Lighthouse canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T682384 — 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: Batticaloa Lighthouse Context triple: [Batticaloa, hasLandmark, Batticaloa Lighthouse]
-
A.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
B.
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.
-
C.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
D.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
E.
Ten Pound Island Light
Ten Pound Island Light is a historic lighthouse located on Ten Pound Island in Gloucester Harbor, Massachusetts, that once guided maritime traffic into the busy fishing port.
- 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: Batticaloa Lighthouse Target entity description: Batticaloa Lighthouse is a coastal beacon in eastern Sri Lanka that guides maritime navigation and serves as a notable historical and tourist attraction for the city of Batticaloa.
-
A.
Elie Lighthouse
Elie Lighthouse is a coastal navigational beacon near the village of Elie in Fife, Scotland, guiding ships along the Firth of Forth.
-
B.
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.
-
C.
St Catherine's Lighthouse
St Catherine's Lighthouse is a historic coastal beacon on the southern tip of England’s Isle of Wight, guiding ships through the English Channel.
-
D.
Nobbys Lighthouse
Nobbys Lighthouse is a historic coastal beacon situated on Nobbys Head at the entrance to Newcastle Harbour in New South Wales, Australia.
-
E.
Ten Pound Island Light
Ten Pound Island Light is a historic lighthouse located on Ten Pound Island in Gloucester Harbor, Massachusetts, that once guided maritime traffic into the busy fishing port.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
coastal beacon
ⓘ
lighthouse ⓘ |
| access | reachable from Batticaloa town ⓘ |
| associatedWith | city of Batticaloa ⓘ |
| category |
Buildings and structures in Batticaloa District
ⓘ
Lighthouses in Sri Lanka ⓘ Tourist attractions in Eastern Province, Sri Lanka ⓘ |
| color | white tower ⓘ |
| country | Sri Lanka ⓘ |
| function |
aids coastal shipping
ⓘ
guides maritime navigation ⓘ |
| hasFeature |
gallery
ⓘ
lantern ⓘ |
| heritageStatus | historical landmark of Batticaloa ⓘ |
| locatedIn |
Batticaloa
ⓘ
Eastern Province, Sri Lanka ⓘ |
| locatedNear |
Batticaloa Lagoon
ⓘ
Indian Ocean ⓘ |
| locatedOn |
Sri Lankan coastline
ⓘ
eastern coast of Sri Lanka ⓘ |
| maintainedBy | Sri Lankan authorities ⓘ |
| material | masonry tower ⓘ |
| region |
Eastern Province, Sri Lanka
ⓘ
surface form:
Eastern Sri Lanka
|
| shape | cylindrical tower ⓘ |
| significance |
important for local maritime safety
ⓘ
notable landmark of Batticaloa city ⓘ |
| status | active lighthouse ⓘ |
| tourism |
popular sightseeing spot
ⓘ
viewpoint over sea and lagoon ⓘ |
| use |
navigational aid
ⓘ
tourist attraction ⓘ |
| view |
lagoon views
ⓘ
sea views ⓘ |
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: Batticaloa Lighthouse Description of subject: Batticaloa Lighthouse is a coastal beacon in eastern Sri Lanka that guides maritime navigation and serves as a notable historical and tourist attraction for the city of Batticaloa.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.