Ratnagiri lighthouse
E1030747
Ratnagiri Lighthouse is a coastal navigational beacon in Maharashtra, India, guiding ships along the Konkan coast near the town of Ratnagiri.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ratnagiri lighthouse canonical | 1 |
| Vengurla Lighthouse | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13262947 — 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: Ratnagiri lighthouse Context triple: [Ratnadurg Fort, hasNearbyLandmark, Ratnagiri lighthouse]
-
A.
Thangassery Lighthouse
Thangassery Lighthouse is a historic coastal beacon in Kerala, India, known for its panoramic views of the Arabian Sea and its significance to the maritime heritage of Kollam.
-
B.
Kallur Lighthouse
Kallur Lighthouse is a picturesque, cliff-top lighthouse on the Faroe Islands’ island of Kalsoy, famed for its dramatic coastal views and popularity among hikers and photographers.
-
C.
Batticaloa Lighthouse
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.
-
D.
Eluanbi Lighthouse
Eluanbi Lighthouse is a historic coastal beacon at Taiwan’s southernmost tip, renowned for its powerful light, distinctive architecture, and scenic ocean views within Kenting National Park.
-
E.
Nividic Lighthouse
Nividic Lighthouse is a remote, wave-swept offshore lighthouse near Ushant, France, known as one of the westernmost and most exposed lighthouses in Europe.
- 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: Ratnagiri lighthouse Target entity description: Ratnagiri Lighthouse is a coastal navigational beacon in Maharashtra, India, guiding ships along the Konkan coast near the town of Ratnagiri.
-
A.
Thangassery Lighthouse
Thangassery Lighthouse is a historic coastal beacon in Kerala, India, known for its panoramic views of the Arabian Sea and its significance to the maritime heritage of Kollam.
-
B.
Kallur Lighthouse
Kallur Lighthouse is a picturesque, cliff-top lighthouse on the Faroe Islands’ island of Kalsoy, famed for its dramatic coastal views and popularity among hikers and photographers.
-
C.
Batticaloa Lighthouse
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.
-
D.
Eluanbi Lighthouse
Eluanbi Lighthouse is a historic coastal beacon at Taiwan’s southernmost tip, renowned for its powerful light, distinctive architecture, and scenic ocean views within Kenting National Park.
-
E.
Nividic Lighthouse
Nividic Lighthouse is a remote, wave-swept offshore lighthouse near Ushant, France, known as one of the westernmost and most exposed lighthouses in Europe.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
lighthouse
ⓘ
navigational aid ⓘ |
| access | by road from Ratnagiri town ⓘ |
| category | coastal navigational beacon ⓘ |
| coastalRegion | western coast of India ⓘ |
| coastType | rocky coast ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| function |
guides ships
ⓘ
marine navigation ⓘ |
| geographicFeatureClass | man-made structure ⓘ |
| hasLanguageEnvironment |
Hindi
ⓘ
Marathi ⓘ
linked to:
Marathi language
|
| locatedIn |
Maharashtra
ⓘ
Ratnagiri district ⓘ
linked to:
Ratnagiri
|
| locatedInCountry | India ⓘ |
| locatedInState | Maharashtra ⓘ |
| locatedInSubnationalRegion | western India ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| locatedOn |
Konkan coast
ⓘ
linked to:
Konkan
|
| locatedOnCoastOf | Arabian Sea ⓘ |
| navigationArea |
Arabian Sea shipping route
ⓘ
Konkan coast ⓘ
linked to:
Konkan
|
| near | Ratnagiri ⓘ |
| nearWaterBody | Arabian Sea ⓘ |
| operatedAs | coastal lighthouse ⓘ |
| partOf |
maritime infrastructure of India
ⓘ
maritime infrastructure of Maharashtra ⓘ |
| purpose | ensure safe coastal navigation ⓘ |
| region | Konkan ⓘ |
| role | aid to navigation ⓘ |
| servesPort | Ratnagiri port ⓘ |
| usedBy |
coastal shipping
ⓘ
fishing vessels ⓘ merchant ships ⓘ |
| visibilityType | sea navigation light ⓘ |
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: Ratnagiri lighthouse Description of subject: Ratnagiri Lighthouse is a coastal navigational beacon in Maharashtra, India, guiding ships along the Konkan coast near the town of Ratnagiri.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ratnagiri lighthouse