Sevan Island (now a peninsula)
E346651
Sevan Island (now a peninsula) is a former island in Armenia’s Lake Sevan, known for its historic monasteries and its transformation into a peninsula after Soviet-era water level changes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Sevan Peninsula | 2 |
| Lake Sevan peninsula | 1 |
| Sevan Island (now a peninsula) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3318699 — 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: Sevan Island (now a peninsula) Context triple: [Lake Sevan, hasIsland, Sevan Island (now a peninsula)]
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A.
İmralı Island
İmralı Island is a small Turkish island in the Sea of Marmara best known as a high-security prison island, notably housing Abdullah Öcalan.
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B.
Tsemess Bay
Tsemess Bay is a natural harbor on Russia’s Black Sea coast, known for hosting the major port city of Novorossiysk and serving as an important maritime and industrial hub.
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C.
Avşa Island
Avşa Island is a popular Turkish holiday island in the Sea of Marmara, known for its beaches, nightlife, and vineyards.
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D.
Marmara Island
Marmara Island is a large, historically significant island in northwestern Turkey known for its marble quarries and location in the Sea of Marmara between the Aegean and Black Seas.
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E.
Angur Ada
Angur Ada is a key border crossing point between Afghanistan and Pakistan used for trade and transit in the eastern part of Afghanistan.
- 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: Sevan Island (now a peninsula) Target entity description: Sevan Island (now a peninsula) is a former island in Armenia’s Lake Sevan, known for its historic monasteries and its transformation into a peninsula after Soviet-era water level changes.
-
A.
İmralı Island
İmralı Island is a small Turkish island in the Sea of Marmara best known as a high-security prison island, notably housing Abdullah Öcalan.
-
B.
Tsemess Bay
Tsemess Bay is a natural harbor on Russia’s Black Sea coast, known for hosting the major port city of Novorossiysk and serving as an important maritime and industrial hub.
-
C.
Avşa Island
Avşa Island is a popular Turkish holiday island in the Sea of Marmara, known for its beaches, nightlife, and vineyards.
-
D.
Marmara Island
Marmara Island is a large, historically significant island in northwestern Turkey known for its marble quarries and location in the Sea of Marmara between the Aegean and Black Seas.
-
E.
Angur Ada
Angur Ada is a key border crossing point between Afghanistan and Pakistan used for trade and transit in the eastern part of Afghanistan.
- F. None of above. chosen
Statements (39)
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: Sevan Island (now a peninsula) Description of subject: Sevan Island (now a peninsula) is a former island in Armenia’s Lake Sevan, known for its historic monasteries and its transformation into a peninsula after Soviet-era water level changes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sevan Peninsula
this entity surface form:
Lake Sevan peninsula
this entity surface form:
Sevan Peninsula