Alexander Island

E145660

Alexander Island is the largest island of Antarctica, lying off the Antarctic Peninsula and largely covered by ice and mountains.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label Occurrences
Alexander Island canonical 16
Alexander Island from Palmer Land 1

Statements (47)

Predicate Object
instanceOf Antarctic island
island
administeredUnder Antarctic Treaty System
area approximately 49070 square kilometers
continent Antarctica
country Antarctica
coveredBy ice sheet
discoveredBy Fabian Gottlieb von Bellingshausen
discoveryDate 1821
elevation approximately 2987 meters
governedBy Antarctic Treaty System
hasCoast Eklund Islands coast
Wilkins Coast
hasGlacier Neptune Glacier
Saturn Glacier
Uranus Glacier
hasIceShelf George VI Ice Shelf
hasMountainRange Douglas Range
Havre Mountains
Rouen Mountains
highestPoint Mount Stephenson
length approximately 390 kilometers
locatedBetween Alexander Island self-linksurface differs
Palmer Land
locatedIn Amundsen Sea
surface form: Bellingshausen Sea

polar climate zone
southern hemisphere
locatedOff Antarctic Peninsula
locatedOn Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
Alexander Island self-linksurface differs
namedAfter Alexander I of Russia
surface form: Tsar Alexander I of Russia
partOf Antarctic Peninsula
surface form: Antarctic Peninsula region
population 0 permanent inhabitants
rankInSize largest island of Antarctica
separatedBy George VI Sound
Ronne Entrance
separatedFrom Antarctic Peninsula
sovereignty no sovereign nation
status uninhabited
terrainFeature mountainous
width up to about 80 kilometers

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: Alexander Island
Description of subject: Alexander Island is the largest island of Antarctica, lying off the Antarctic Peninsula and largely covered by ice and mountains.

Referenced by (17)

Full triples — surface form annotated when it differs from this entity's canonical label.

Fossil Bluff locatedOn Alexander Island
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Mount Stephenson
Alexander Island locatedBetween Alexander Island self-linksurface differs
subject surface form: George VI Ice Shelf
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Douglas Range
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Rouen Mountains
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Havre Mountains
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Saturn Glacier
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Neptune Glacier
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Uranus Glacier
Alexander Island locatedOn Alexander Island self-linksurface differs
subject surface form: Wilkins Coast
George VI Sound separates Alexander Island
George VI Sound isBorderedBy Alexander Island
George VI Sound hasAdjacentIsland Alexander Island
George VI Ice Shelf separates Alexander Island
this entity surface form: Alexander Island from Palmer Land
George VI Ice Shelf boundedBy Alexander Island