Cape Yelcho
E486806
Cape Yelcho is a prominent headland on Elephant Island in the South Shetland Islands of Antarctica, known for its association with early Antarctic exploration.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cape Yelcho canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5021947 — 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: Cape Yelcho Context triple: [Elephant Island, hasFeature, Cape Yelcho]
-
A.
Cape Arago
Cape Arago is a prominent headland on the southern Oregon coast known for its rugged shoreline, marine wildlife, and historic lighthouse views.
-
B.
Cape Horn
Cape Horn is the southernmost headland of the Tierra del Fuego archipelago in Chile, historically notorious as a major maritime landmark where the Atlantic and Pacific Oceans meet under extremely hazardous sailing conditions.
-
C.
Puerto Williams
Puerto Williams is a small Chilean town on Navarino Island, often cited as one of the southernmost settlements in the world and a gateway to Antarctic and subantarctic research and tourism.
-
D.
Cape Puyuni
Cape Puyuni is a scenic coastal headland on Japan’s Shiretoko Peninsula, known for its rugged shoreline and views over the Sea of Okhotsk within Shiretoko National Park.
-
E.
Cape Raoul
Cape Raoul is a dramatic sea cliff headland on Tasmania’s Tasman Peninsula, known for its towering dolerite columns and rugged coastal scenery.
- 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: Cape Yelcho Target entity description: Cape Yelcho is a prominent headland on Elephant Island in the South Shetland Islands of Antarctica, known for its association with early Antarctic exploration.
-
A.
Cape Arago
Cape Arago is a prominent headland on the southern Oregon coast known for its rugged shoreline, marine wildlife, and historic lighthouse views.
-
B.
Cape Horn
Cape Horn is the southernmost headland of the Tierra del Fuego archipelago in Chile, historically notorious as a major maritime landmark where the Atlantic and Pacific Oceans meet under extremely hazardous sailing conditions.
-
C.
Puerto Williams
Puerto Williams is a small Chilean town on Navarino Island, often cited as one of the southernmost settlements in the world and a gateway to Antarctic and subantarctic research and tourism.
-
D.
Cape Puyuni
Cape Puyuni is a scenic coastal headland on Japan’s Shiretoko Peninsula, known for its rugged shoreline and views over the Sea of Okhotsk within Shiretoko National Park.
-
E.
Cape Raoul
Cape Raoul is a dramatic sea cliff headland on Tasmania’s Tasman Peninsula, known for its towering dolerite columns and rugged coastal scenery.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
cape
ⓘ
headland ⓘ |
| continent | Antarctica ⓘ |
| country | Antarctica NERFINISHED ⓘ |
| governedBy | Antarctic Treaty System ⓘ |
| hasBiodiversity | Antarctic marine wildlife nearby ⓘ |
| hasClimate | polar climate ⓘ |
| hasEnvironment | harsh Antarctic environment ⓘ |
| hasExplorationSignificance | early Antarctic expeditions ⓘ |
| hasGeographicFeature | prominent headland ⓘ |
| hasIceConditions | sea ice and pack ice ⓘ |
| hasLatitudeHemisphere | Southern Hemisphere NERFINISHED ⓘ |
| hasLongitudeHemisphere | Western Hemisphere NERFINISHED ⓘ |
| hasNameLanguage | English ⓘ |
| hasStatus | uninhabited area ⓘ |
| hasTopography | rocky coastal promontory ⓘ |
| isCoastalFeatureOf | Elephant Island coastline ⓘ |
| isIncludedIn | Antarctic nautical charts ⓘ |
| isNear |
Bransfield Strait
NERFINISHED
ⓘ
Weddell Sea NERFINISHED ⓘ |
| isSubjectOf | Antarctic geographic surveys ⓘ |
| knownFor | association with early Antarctic exploration ⓘ |
| locatedIn |
Antarctica
ⓘ
South Shetland Islands NERFINISHED ⓘ |
| locatedInOcean | Southern Ocean NERFINISHED ⓘ |
| locatedOn | Elephant Island NERFINISHED ⓘ |
| partOf | South Shetland Islands archipelago NERFINISHED ⓘ |
| region | Antarctic Peninsula region NERFINISHED ⓘ |
| usedFor | landmark for Antarctic navigation ⓘ |
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: Cape Yelcho Description of subject: Cape Yelcho is a prominent headland on Elephant Island in the South Shetland Islands of Antarctica, known for its association with early Antarctic exploration.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.