Mount Stephenson
E533441
Mount Stephenson is a prominent mountain in Antarctica located on Alexander Island, notable for being the island’s tallest peak.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mount Stephenson canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5556657 — 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: Mount Stephenson Context triple: [Alexander Island, highestPoint, Mount Stephenson]
-
A.
Mount Billy Mitchell
Mount Billy Mitchell is a notable peak in Alaska’s Chugach Mountains, known for its rugged alpine terrain and glaciated surroundings.
-
B.
Mount Marcus Baker
Mount Marcus Baker is a prominent, heavily glaciated peak in south-central Alaska and one of the major summits of the Chugach mountain range.
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C.
Mount Bates
Mount Bates is the tallest peak on Norfolk Island, a small Australian territory in the South Pacific Ocean.
-
D.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
-
E.
Mount Jefferson
Mount Jefferson is one of the highest and most prominent peaks in New Hampshire’s Presidential Range, known for its rugged alpine terrain and challenging hiking routes.
- 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: Mount Stephenson Target entity description: Mount Stephenson is a prominent mountain in Antarctica located on Alexander Island, notable for being the island’s tallest peak.
-
A.
Mount Billy Mitchell
Mount Billy Mitchell is a notable peak in Alaska’s Chugach Mountains, known for its rugged alpine terrain and glaciated surroundings.
-
B.
Mount Marcus Baker
Mount Marcus Baker is a prominent, heavily glaciated peak in south-central Alaska and one of the major summits of the Chugach mountain range.
-
C.
Mount Bates
Mount Bates is the tallest peak on Norfolk Island, a small Australian territory in the South Pacific Ocean.
-
D.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
-
E.
Mount Jefferson
Mount Jefferson is one of the highest and most prominent peaks in New Hampshire’s Presidential Range, known for its rugged alpine terrain and challenging hiking routes.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
mountain ⓘ |
| belongsTo |
British Antarctic Territory (claimed)
ⓘ
linked to:
British Antarctic Territory
|
| continent | Antarctica ⓘ |
| country | Antarctica ⓘ |
| discoveredBy | British Graham Land Expedition ⓘ |
| discoveryYear | 1936 ⓘ |
| elevation |
2987 metres
ⓘ
9799 feet ⓘ |
| featureType | ice-covered mountain ⓘ |
| hasCoordinateSystem | geographic coordinates ⓘ |
| hasNotableProperty |
one of the highest mountains in the Antarctic Peninsula region
ⓘ
tallest peak on Alexander Island ⓘ |
| hasSummitCharacteristics | heavily glaciated ⓘ |
| highestPointOf | Alexander Island ⓘ |
| isHighestMountainOf | Alexander Island ⓘ |
| locatedIn |
Alexander Island
ⓘ
Antarctica ⓘ |
| locatedOn | west side of George VI Sound ⓘ |
| mapReference | Antarctic topographic maps ⓘ |
| namedAfter | Alfred Stephenson ⓘ |
| namedBy | British Graham Land Expedition ⓘ |
| near | George VI Sound ⓘ |
| partOf | Douglas Range ⓘ |
| prominence | very high ⓘ |
| range | Douglas Range ⓘ |
| region | Palmer Land region of Antarctica ⓘ |
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: Mount Stephenson Description of subject: Mount Stephenson is a prominent mountain in Antarctica located on Alexander Island, notable for being the island’s tallest peak.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.