Thangassery Lighthouse
E781624
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thangassery Lighthouse canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9172117 — 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: Thangassery Lighthouse Context triple: [Kollam, touristAttraction, Thangassery Lighthouse]
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A.
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.
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B.
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.
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C.
Minicoy Lighthouse
Minicoy Lighthouse is a historic coastal beacon located on Minicoy Island in India’s Lakshadweep archipelago, serving as an important aid to navigation in the Arabian Sea.
-
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.
Tahkuna Lighthouse
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.
- 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: Thangassery Lighthouse Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Minicoy Lighthouse
Minicoy Lighthouse is a historic coastal beacon located on Minicoy Island in India’s Lakshadweep archipelago, serving as an important aid to navigation in the Arabian Sea.
-
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.
Tahkuna Lighthouse
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
heritage structure
ⓘ
lighthouse ⓘ tourist attraction ⓘ |
| associatedWith |
port of Kollam
ⓘ
linked to:
Kollam Port
|
| constructionStartDate | 1900 ⓘ |
| country | India ⓘ |
| hasAccess | spiral staircase ⓘ |
| hasBalcony | yes ⓘ |
| hasFeature | observation gallery at the top ⓘ |
| hasGeographicRegion | Arabian Sea ⓘ |
| hasLantern | yes ⓘ |
| height |
41 metres
ⓘ
about 135 feet ⓘ |
| heritageStatus | protected monument under local authorities ⓘ |
| inception | 1902 ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| lightRange | about 20 nautical miles ⓘ |
| locatedIn |
Arabian Sea coast
ⓘ
India ⓘ Kerala ⓘ Kollam ⓘ Kollam district ⓘ South India ⓘ Thangassery ⓘ |
| locatedInProtectedArea | Thangassery beach area ⓘ |
| materialUsed |
brick
ⓘ
masonry ⓘ |
| nearbyPlace |
Kollam city
ⓘ
linked to:
Kollam
Thangassery beach ⓘ Thangassery breakwater ⓘ |
| offersView |
Arabian Sea
ⓘ
Kollam coast ⓘ Thangassery beach ⓘ |
| openToPublic | yes ⓘ |
| operator |
Directorate General of Lighthouses and Lightships
ⓘ
Government of India ⓘ |
| ownedBy |
Directorate General of Lighthouses and Lightships
ⓘ
Government of India ⓘ |
| purpose |
aid to navigation
ⓘ
maritime safety ⓘ |
| region | Malabar Coast ⓘ |
| significance |
historic coastal beacon
ⓘ
important to maritime heritage of Kollam ⓘ |
| tourismActivity |
panoramic sea views
ⓘ
viewing sunset ⓘ |
| towerMarking | white and red bands ⓘ |
| towerShape | cylindrical tower ⓘ |
| yearCompleted | 1902 ⓘ |
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: Thangassery Lighthouse Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.