Ratmanov Island
E429050
Ratmanov Island is a Russian-owned island in the Bering Strait, forming part of the Diomede Islands and lying just west of the International Date Line and the maritime border with the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ratmanov Island canonical | 2 |
| Ostrov Ratmanova | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3646836 — 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: Ratmanov Island Context triple: [Big Diomede Island, alsoKnownAs, Ratmanov Island]
-
A.
Khvostof Island
Khvostof Island is a small, remote island in the Near Islands group of the western Aleutian Islands in Alaska, known for its rugged terrain and sparse vegetation.
-
B.
Balchug Island
Balchug Island is a central Moscow island situated between the Moskva River and its Vodootvodny Canal, known for its historic architecture, business centers, and proximity to the Kremlin.
-
C.
Zavodovski Island
Zavodovski Island is a remote, uninhabited volcanic island in the South Sandwich Islands of the southern Atlantic Ocean, notable for its large penguin colonies and active volcano.
-
D.
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.
-
E.
Stolbovoy Island
Stolbovoy Island is a remote, largely uninhabited Arctic island of the New Siberian Islands archipelago in northern Russia.
- 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: Ratmanov Island Target entity description: Ratmanov Island is a Russian-owned island in the Bering Strait, forming part of the Diomede Islands and lying just west of the International Date Line and the maritime border with the United States.
-
A.
Khvostof Island
Khvostof Island is a small, remote island in the Near Islands group of the western Aleutian Islands in Alaska, known for its rugged terrain and sparse vegetation.
-
B.
Balchug Island
Balchug Island is a central Moscow island situated between the Moskva River and its Vodootvodny Canal, known for its historic architecture, business centers, and proximity to the Kremlin.
-
C.
Zavodovski Island
Zavodovski Island is a remote, uninhabited volcanic island in the South Sandwich Islands of the southern Atlantic Ocean, notable for its large penguin colonies and active volcano.
-
D.
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.
-
E.
Stolbovoy Island
Stolbovoy Island is a remote, largely uninhabited Arctic island of the New Siberian Islands archipelago in northern Russia.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Arctic island
ⓘ
Russian island ⓘ island ⓘ |
| alsoKnownAs |
Big Diomede
NERFINISHED
ⓘ
Big Diomede Island NERFINISHED ⓘ Ostrov Ratmanova NERFINISHED ⓘ |
| borderedBy | United States maritime boundary ⓘ |
| climate | polar climate ⓘ |
| country | Russia ⓘ |
| formsGroupWith | Little Diomede Island NERFINISHED ⓘ |
| groupName | Diomede Islands NERFINISHED ⓘ |
| hasGeopoliticalContext | lies close to the Russia–United States border ⓘ |
| hasLegalStatus | Russian territory ⓘ |
| hasNameInRussian | Остров Ратманова NERFINISHED ⓘ |
| hasOcean |
Arctic Ocean connection via Bering Strait
ⓘ
Pacific Ocean NERFINISHED ⓘ |
| hasRelativePosition |
west of Little Diomede Island
ⓘ
west of the United States–Russia maritime boundary ⓘ |
| hasSovereignty | Russia NERFINISHED ⓘ |
| hasStrategicSignificance | controls part of the Bering Strait passage ⓘ |
| hasTimeZoneContext | lies just west of the International Date Line ⓘ |
| locatedIn |
Arctic Ocean
ⓘ
Bering Strait NERFINISHED ⓘ Chukotka Autonomous Okrug NERFINISHED ⓘ Eastern Hemisphere NERFINISHED ⓘ Northern Hemisphere ⓘ Russian Far East NERFINISHED ⓘ |
| locatedNear |
Bering Sea
NERFINISHED
ⓘ
Chukchi Sea NERFINISHED ⓘ Little Diomede Island NERFINISHED ⓘ |
| locatedWestOf |
International Date Line
NERFINISHED
ⓘ
maritime border between Russia and the United States ⓘ |
| namedAfter | Dmitry Ratmanov NERFINISHED ⓘ |
| nearbyCountry | United States NERFINISHED ⓘ |
| nearbyRegion | Alaska NERFINISHED ⓘ |
| partOf |
Chukotsky District
NERFINISHED
ⓘ
Diomede Islands NERFINISHED ⓘ |
| separatedBy | Bering Strait from Alaska ⓘ |
| separatedFrom | Little Diomede Island by the Bering Strait ⓘ |
| uninhabited | true ⓘ |
| usedFor | Russian border guard facilities ⓘ |
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: Ratmanov Island Description of subject: Ratmanov Island is a Russian-owned island in the Bering Strait, forming part of the Diomede Islands and lying just west of the International Date Line and the maritime border with the United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ostrov Ratmanova
subject surface form:
Big Diomede