Big Diomede Island
E77320
Big Diomede Island is a Russian-owned island in the Bering Strait, notable for lying just west of the International Date Line opposite Alaska’s Little Diomede Island.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Big Diomede Island canonical | 7 |
| Big Diomede | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T553921 — 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: Big Diomede Island Context triple: [Bering Strait, contains, Big Diomede Island]
-
A.
Nunivak Island
Nunivak Island is a large, remote island in the Bering Sea off the coast of Alaska, known for its predominantly Central Alaskan Yup’ik population, traditional subsistence lifestyle, and unique cultural heritage.
-
B.
Kodiak Island
Kodiak Island is a large island in Alaska known for its rugged wilderness, rich Alutiiq Indigenous culture, and abundant wildlife including the famous Kodiak brown bears.
-
C.
St. Ignace Island
St. Ignace Island is a large, remote island in northern Lake Superior, known for its rugged wilderness, dense forests, and limited human development.
-
D.
Baranoff Island
Baranoff Island is the former name of Fannette Island, the small, rocky islet located in Emerald Bay on Lake Tahoe, California.
-
E.
Zayachy Island
Zayachy Island is a small island in the Neva River in Saint Petersburg, Russia, best known as the historic site where the city was founded and where the Peter and Paul Fortress stands.
- 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: Big Diomede Island Target entity description: Big Diomede Island is a Russian-owned island in the Bering Strait, notable for lying just west of the International Date Line opposite Alaska’s Little Diomede Island.
-
A.
Nunivak Island
Nunivak Island is a large, remote island in the Bering Sea off the coast of Alaska, known for its predominantly Central Alaskan Yup’ik population, traditional subsistence lifestyle, and unique cultural heritage.
-
B.
Kodiak Island
Kodiak Island is a large island in Alaska known for its rugged wilderness, rich Alutiiq Indigenous culture, and abundant wildlife including the famous Kodiak brown bears.
-
C.
St. Ignace Island
St. Ignace Island is a large, remote island in northern Lake Superior, known for its rugged wilderness, dense forests, and limited human development.
-
D.
Baranoff Island
Baranoff Island is the former name of Fannette Island, the small, rocky islet located in Emerald Bay on Lake Tahoe, California.
-
E.
Zayachy Island
Zayachy Island is a small island in the Neva River in Saint Petersburg, Russia, best known as the historic site where the city was founded and where the Peter and Paul Fortress stands.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Arctic island
ⓘ
border island ⓘ island ⓘ |
| alsoKnownAs |
Ratmanov Island
ⓘ
surface form:
Ostrov Ratmanova
Ratmanov Island ⓘ |
| archipelago | Diomede Islands ⓘ |
| area | about 29 square kilometers ⓘ |
| climate | polar climate ⓘ |
| country | Russia ⓘ |
| distanceTo | about 3.8 kilometers from Little Diomede Island ⓘ |
| evacuation | indigenous residents relocated during Cold War ⓘ |
| feature |
rocky coastline
ⓘ
steep cliffs ⓘ tundra vegetation ⓘ |
| hasFacility |
Russian border guard station
ⓘ
military installation ⓘ |
| highestElevation | about 477 meters ⓘ |
| historicalInhabitants |
Yup’ik people
ⓘ
surface form:
Yupik people
|
| length | about 5.4 kilometers ⓘ |
| locatedBetween | Chukchi Peninsula and Seward Peninsula ⓘ |
| locatedIn |
Arctic Ocean
ⓘ
Bering Strait ⓘ Chukchi Sea ⓘ Chukotka Autonomous Okrug ⓘ Russia Far East ⓘ
surface form:
Russian Far East
|
| locatedNear |
International Date Line
ⓘ
United States–Russia maritime boundary ⓘ
surface form:
US–Russia maritime boundary
|
| locatedNorthOf | Aleutian Islands ⓘ |
| locatedOpposite | Little Diomede Island ⓘ |
| locatedWestOf |
International Date Line
ⓘ
Little Diomede Island ⓘ |
| namedAfter | Mikhail Ratmanov ⓘ |
| notableFor |
being one of the two Diomede Islands
ⓘ
lying just west of the International Date Line opposite Alaska’s Little Diomede Island ⓘ |
| otherSideCountry |
United States of America
ⓘ
surface form:
United States
|
| otherSideIsland | Little Diomede Island ⓘ |
| partOf |
Chukotsky District
ⓘ
Russia–United States border region ⓘ |
| population | uninhabited by civilians ⓘ |
| region | Siberia ⓘ |
| separatedBy |
International Date Line
ⓘ
United States–Russia maritime boundary ⓘ |
| separatedFrom | Little Diomede Island ⓘ |
| sovereignState |
Russia
ⓘ
surface form:
Russian Federation
|
| strategicImportance | controls part of Bering Strait passage ⓘ |
| timeZone |
Anadyr Time
ⓘ
surface form:
Kamchatka Time
|
| usedFor | border surveillance ⓘ |
| UTCOffset | +12 ⓘ |
| width | up to about 4 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: Big Diomede Island Description of subject: Big Diomede Island is a Russian-owned island in the Bering Strait, notable for lying just west of the International Date Line opposite Alaska’s Little Diomede Island.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Big Diomede