South Euboean Gulf
E153751
The South Euboean Gulf is a narrow arm of the Aegean Sea separating the southern part of the island of Euboea from mainland Greece.
All labels observed (3)
| Label | Occurrences |
|---|---|
| South Euboean Gulf canonical | 23 |
| Euboean Gulf shoreline | 1 |
| South Euboean Gulf region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T915047 — 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: South Euboean Gulf Context triple: [Euboea, coastlineOn, South Euboean Gulf]
-
A.
North Euboean Gulf
The North Euboean Gulf is a narrow, elongated inlet of the Aegean Sea in central Greece, lying between the island of Euboea and the mainland.
-
B.
Saronic Gulf
The Saronic Gulf is a body of water in the Aegean Sea, dotted with popular Greek islands and lying between the Attica peninsula and the northeastern Peloponnese.
-
C.
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.
-
D.
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.
-
E.
Euripus Strait
Euripus Strait is a narrow channel of water in central Greece that separates the island of Euboea from the mainland and is famous for its strong, rapidly changing tidal currents.
- 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: South Euboean Gulf Target entity description: The South Euboean Gulf is a narrow arm of the Aegean Sea separating the southern part of the island of Euboea from mainland Greece.
-
A.
North Euboean Gulf
The North Euboean Gulf is a narrow, elongated inlet of the Aegean Sea in central Greece, lying between the island of Euboea and the mainland.
-
B.
Saronic Gulf
The Saronic Gulf is a body of water in the Aegean Sea, dotted with popular Greek islands and lying between the Attica peninsula and the northeastern Peloponnese.
-
C.
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.
-
D.
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.
-
E.
Euripus Strait
Euripus Strait is a narrow channel of water in central Greece that separates the island of Euboea from the mainland and is famous for its strong, rapidly changing tidal currents.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
arm of the sea
ⓘ
gulf ⓘ |
| basinCountry | Greece ⓘ |
| borders |
Greek mainland
ⓘ
island of Euboea ⓘ
linked to:
Euboea
|
| connectedTo |
Myrtoan Sea
ⓘ
North Euboean Gulf ⓘ |
| country | Greece ⓘ |
| hasCoastOn |
Attica
ⓘ
Boeotia ⓘ Euboea ⓘ Phthiotis ⓘ
linked to:
Fthiotis
|
| hasStrait | Euripus Strait ⓘ |
| isNarrow | true ⓘ |
| locatedIn | Greece ⓘ |
| locatedInContinent | Europe ⓘ |
| locatedInRegion |
Central Greece
ⓘ
linked to:
central Greece
Euboea regional unit ⓘ |
| locatedInWaterBody | Aegean Sea ⓘ |
| nearCity |
Aliveri
ⓘ
Chalkida ⓘ Karystos ⓘ Oropos ⓘ Styra ⓘ |
| ocean | Aegean Sea ⓘ |
| partOf | Aegean Sea ⓘ |
| separatedFrom | North Euboean Gulf ⓘ |
| separates | southern Euboea from mainland Greece ⓘ |
| separatesIslandFromMainland | Euboea ⓘ |
| waterType | salt water ⓘ |
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: South Euboean Gulf Description of subject: The South Euboean Gulf is a narrow arm of the Aegean Sea separating the southern part of the island of Euboea from mainland Greece.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: South Euboean Gulf