Snake Island
E41856
Snake Island is a small but strategically important Ukrainian island in the Black Sea, known for its military significance and symbolic role in the Russia–Ukraine conflict.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Snake Island canonical | 8 |
| Snake Island given limited effect in delimitation | 1 |
| Snake Island maritime boundary | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T317852 — 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: Snake Island Context triple: [Black Sea, hasIsland, Snake Island]
-
A.
Gezira Island
Gezira Island is a large Nile island in central Cairo known for its upscale Zamalek district, cultural venues, and landmarks such as the Cairo Tower.
-
B.
Windmill Island
Windmill Island is a Dutch-themed park and tourist attraction in Holland, Michigan, best known for featuring the historic De Zwaan windmill along with gardens, canals, and cultural exhibits.
-
C.
Mona Island
Mona Island is a remote, uninhabited nature reserve in the Mona Passage known for its rugged limestone cliffs, unique wildlife, and pristine beaches.
-
D.
Andros Island
Andros Island is the largest island in the Bahamas, known for its extensive barrier reef, blue holes, and largely undeveloped natural landscapes.
-
E.
Isla Verde
Isla Verde is a popular beachfront district in the metropolitan area of San Juan, Puerto Rico, known for its resorts, nightlife, and sandy shores.
- 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: Snake Island Target entity description: Snake Island is a small but strategically important Ukrainian island in the Black Sea, known for its military significance and symbolic role in the Russia–Ukraine conflict.
-
A.
Gezira Island
Gezira Island is a large Nile island in central Cairo known for its upscale Zamalek district, cultural venues, and landmarks such as the Cairo Tower.
-
B.
Windmill Island
Windmill Island is a Dutch-themed park and tourist attraction in Holland, Michigan, best known for featuring the historic De Zwaan windmill along with gardens, canals, and cultural exhibits.
-
C.
Mona Island
Mona Island is a remote, uninhabited nature reserve in the Mona Passage known for its rugged limestone cliffs, unique wildlife, and pristine beaches.
-
D.
Andros Island
Andros Island is the largest island in the Bahamas, known for its extensive barrier reef, blue holes, and largely undeveloped natural landscapes.
-
E.
Isla Verde
Isla Verde is a popular beachfront district in the metropolitan area of San Juan, Puerto Rico, known for its resorts, nightlife, and sandy shores.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
landform ⓘ |
| administeredBy | Ukraine ⓘ |
| area |
approximately 0.17 square kilometres
ⓘ
approximately 17 hectares ⓘ |
| associatedWithPhrase | "Russian warship, go f*** yourself" ⓘ |
| capturedBy | Russian forces in February 2022 ⓘ |
| controlledBy | Ukraine as of mid-2022 ⓘ |
| coordinates | approximately 45.255°N 30.204°E ⓘ |
| country | Ukraine ⓘ |
| disputedIn | Romania–Ukraine maritime boundary case ⓘ |
| elevation | approximately 41 metres above sea level ⓘ |
| famousFor | radio exchange between Ukrainian border guards and Russian warship in 2022 ⓘ |
| hasAlternativeName |
Ostriv Zmiinyi
ⓘ
Zmiinyi Island ⓘ Zmiyinyy Island ⓘ
linked to:
Zmiinyi Island
|
| hasFacility |
border guard station
ⓘ
communications equipment ⓘ |
| hasMilitarySignificance | yes ⓘ |
| hasStructure |
helipad
ⓘ
lighthouse ⓘ military installations ⓘ |
| involvedIn |
Romania–Ukraine maritime delimitation in the Black Sea
ⓘ
linked to:
Romania–Ukraine maritime boundary case
|
| involvedInConflict |
2022 Russian invasion of Ukraine
ⓘ
linked to:
Russo-Ukrainian War
|
| legalStatusConfirmedBy | International Court of Justice ruling of 2009 ⓘ |
| locatedIn |
Odesa Oblast
ⓘ
southern Ukraine ⓘ
linked to:
Southern Ukraine
|
| locatedInBodyOfWater | Black Sea ⓘ |
| militaryEvent | withdrawal of Russian forces in June 2022 ⓘ |
| nameInRomanian |
Insula Șerpilor
ⓘ
linked to:
Острів Зміїний
|
| nameInUkrainian | Острів Зміїний ⓘ |
| nameLanguage | Ukrainian ⓘ |
| nearbyFeature |
Danube Delta
ⓘ
Romanian coast ⓘ Ukrainian coast ⓘ |
| partOf |
Black Sea region
ⓘ
linked to:
Black Sea
|
| population | very small permanent population ⓘ |
| recapturedBy | Ukraine in 2022 ⓘ |
| recognizedAs | Ukrainian territory by the International Court of Justice ⓘ |
| region | northwestern Black Sea ⓘ |
| sovereignState | Ukraine ⓘ |
| strategicImportance |
controls approaches to the Danube Delta
ⓘ
controls northwestern Black Sea sea lanes ⓘ important for maritime navigation and security ⓘ |
| subjectOf | Russian naval assault in February 2022 ⓘ |
| symbolicRole |
Ukrainian defiance against Russian aggression
ⓘ
Ukrainian resistance in the Russia–Ukraine war ⓘ |
| usedFor |
military outpost
ⓘ
navigation aids ⓘ radar and surveillance ⓘ |
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: Snake Island Description of subject: Snake Island is a small but strategically important Ukrainian island in the Black Sea, known for its military significance and symbolic role in the Russia–Ukraine conflict.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
Romania–Ukraine maritime boundary case
→
findingOnSnakeIsland
→
Snake Island given limited effect in delimitation
ⓘ
linked to: Snake Island
linked to: Snake Island
subject linked to:
Snake Island had limited effect on maritime delimitation