Caja de Muertos Lighthouse
E605656
Caja de Muertos Lighthouse is a historic navigational beacon located on the uninhabited Caja de Muertos island off the southern coast of Puerto Rico.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Caja de Muertos Lighthouse canonical | 1 |
| Faro de la Isla de Caja de Muertos | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6534706 — 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: Caja de Muertos Lighthouse Context triple: [Caja de Muertos, hasStructure, Caja de Muertos Lighthouse]
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A.
Culebrita Lighthouse
Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
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B.
Punta Higüero Lighthouse
Punta Higüero Lighthouse is a historic coastal beacon in Rincón, Puerto Rico, known for its scenic ocean views and popularity as a surfing and whale-watching spot.
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C.
Punta del Este Lighthouse
Punta del Este Lighthouse is a historic coastal beacon in Punta del Este, Uruguay, known for guiding ships along the Atlantic coast and serving as a prominent local landmark and tourist attraction.
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D.
Cape Arago Lighthouse
Cape Arago Lighthouse is a historic coastal beacon on the Oregon coast, known for guiding ships near Coos Bay and serving as a prominent scenic landmark.
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E.
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.
- 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: Caja de Muertos Lighthouse Target entity description: Caja de Muertos Lighthouse is a historic navigational beacon located on the uninhabited Caja de Muertos island off the southern coast of Puerto Rico.
-
A.
Culebrita Lighthouse
Culebrita Lighthouse is a historic 19th-century Spanish-era lighthouse located on the small island of Culebrita off Puerto Rico, known for guiding ships through the Virgin Passage and for its scenic, now-ruined structure.
-
B.
Punta Higüero Lighthouse
Punta Higüero Lighthouse is a historic coastal beacon in Rincón, Puerto Rico, known for its scenic ocean views and popularity as a surfing and whale-watching spot.
-
C.
Punta del Este Lighthouse
Punta del Este Lighthouse is a historic coastal beacon in Punta del Este, Uruguay, known for guiding ships along the Atlantic coast and serving as a prominent local landmark and tourist attraction.
-
D.
Cape Arago Lighthouse
Cape Arago Lighthouse is a historic coastal beacon on the Oregon coast, known for guiding ships near Coos Bay and serving as a prominent scenic landmark.
-
E.
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.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
historic lighthouse
ⓘ
lighthouse ⓘ navigational aid ⓘ |
| access | reachable only by boat ⓘ |
| alsoKnownAs |
Faro de la Isla de Caja de Muertos
ⓘ
linked to:
Caja de Muertos Lighthouse
|
| architecturalStyle | Spanish neoclassical ⓘ |
| associatedWith | Port of Ponce ⓘ |
| attachedTo | keeper's house ⓘ |
| builtBy |
Spanish colonial government
ⓘ
linked to:
Spanish colonial administration
|
| category |
Buildings and structures in Ponce, Puerto Rico
ⓘ
Lighthouses in Puerto Rico ⓘ National Register of Historic Places in Ponce, Puerto Rico ⓘ |
| constructionStartYear | 1883 ⓘ |
| coordinates | approximately 17.883°N 66.533°W ⓘ |
| country | Puerto Rico ⓘ |
| hasHistoricSignificance | example of 19th-century Spanish maritime engineering in Puerto Rico ⓘ |
| hasTourismUse | visited by eco-tourists and hikers ⓘ |
| heritageDesignation | listed on the U.S. National Register of Historic Places ⓘ |
| heritageDesignationYear | 1981 ⓘ |
| isOn | uninhabited island ⓘ |
| lightCharacteristic | flashing white light ⓘ |
| locatedInBodyOfWater | Caribbean Sea ⓘ |
| locatedInMunicipality | Ponce, Puerto Rico ⓘ |
| locatedInProtectedArea |
Caja de Muertos Natural Reserve
ⓘ
linked to:
Caja de Muertos Nature Reserve
|
| locatedOffCoastOf | southern coast of Puerto Rico ⓘ |
| locatedOn |
Caja de Muertos Island
ⓘ
linked to:
Isla Caja de Muertos
|
| locatedWithin | Caja de Muertos Nature Reserve ⓘ |
| maintenance | subject to restoration and conservation efforts ⓘ |
| managingAgent | United States Coast Guard ⓘ |
| materialUsed | masonry ⓘ |
| operatorAfter1898 | United States Lighthouse Service ⓘ |
| originalCountry | Spain ⓘ |
| originalLensType | third-order Fresnel lens ⓘ |
| powerSource |
later electrified
ⓘ
originally oil lamp ⓘ |
| purpose |
aid to navigation
ⓘ
mark approach to Ponce harbor ⓘ |
| region | Caribbean ⓘ |
| status | active ⓘ |
| towerShape | cylindrical tower ⓘ |
| yearCompleted | 1887 ⓘ |
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: Caja de Muertos Lighthouse Description of subject: Caja de Muertos Lighthouse is a historic navigational beacon located on the uninhabited Caja de Muertos island off the southern coast of Puerto Rico.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Caja de Muertos Lighthouse