Tyrrhenian Sea
E24776
The Tyrrhenian Sea is a major arm of the Mediterranean located off the western coast of Italy, bordered by the Italian mainland, Sicily, Sardinia, and Corsica.
All labels observed (14)
How this entity was disambiguated
This entity first appeared as the object of triple T74365 — 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: Tyrrhenian Sea Context triple: [Mediterranean Sea, containsSubdivision, Tyrrhenian Sea]
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A.
Ionian Sea
The Ionian Sea is a deep, eastern arm of the Mediterranean Sea located between western Greece and southern Italy, known for its clear blue waters, numerous islands, and significant role in ancient and modern maritime routes.
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B.
Mediterranean Sea
The Mediterranean Sea is a large inland sea bordered by Europe, Africa, and Asia, historically vital for trade, culture, and military strategy.
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C.
Adriatic Sea
The Adriatic Sea is a long, narrow arm of the Mediterranean separating the Italian Peninsula from the Balkans, known for its clear waters, historic coastal cities, and significant maritime trade routes.
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D.
Aegean Sea
The Aegean Sea is an arm of the Mediterranean Sea located between the Greek and Anatolian peninsulas, known for its numerous islands, rich ancient history, and significance in Greek civilization and maritime trade.
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E.
Black Sea
The Black Sea is a large inland sea between Eastern Europe and Western Asia, bordered by countries such as Ukraine, Russia, Georgia, Turkey, Bulgaria, and Romania, and connected to the Mediterranean through the Bosporus and Dardanelles straits.
- 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: Tyrrhenian Sea Target entity description: The Tyrrhenian Sea is a major arm of the Mediterranean located off the western coast of Italy, bordered by the Italian mainland, Sicily, Sardinia, and Corsica.
-
A.
Ionian Sea
The Ionian Sea is a deep, eastern arm of the Mediterranean Sea located between western Greece and southern Italy, known for its clear blue waters, numerous islands, and significant role in ancient and modern maritime routes.
-
B.
Mediterranean Sea
The Mediterranean Sea is a large inland sea bordered by Europe, Africa, and Asia, historically vital for trade, culture, and military strategy.
-
C.
Adriatic Sea
The Adriatic Sea is a long, narrow arm of the Mediterranean separating the Italian Peninsula from the Balkans, known for its clear waters, historic coastal cities, and significant maritime trade routes.
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D.
Aegean Sea
The Aegean Sea is an arm of the Mediterranean Sea located between the Greek and Anatolian peninsulas, known for its numerous islands, rich ancient history, and significance in Greek civilization and maritime trade.
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E.
Black Sea
The Black Sea is a large inland sea between Eastern Europe and Western Asia, bordered by countries such as Ukraine, Russia, Georgia, Turkey, Bulgaria, and Romania, and connected to the Mediterranean through the Bosporus and Dardanelles straits.
- F. None of above. chosen
Statements (52)
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: Tyrrhenian Sea Description of subject: The Tyrrhenian Sea is a major arm of the Mediterranean located off the western coast of Italy, bordered by the Italian mainland, Sicily, Sardinia, and Corsica.
Referenced by (432)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tyrrhenian Sea basin
this entity surface form:
Tyrrhenian Sea basin
subject surface form:
Cerveteri-Ladispoli railway station
this entity surface form:
Tyrrhenian Sea and Adriatic Sea