Euripus Strait
E111233
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Euripus Strait canonical | 9 |
| Oropos Strait | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T915033 — 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: Euripus Strait Context triple: [Euboea, separatedBy, Euripus Strait]
-
A.
Strait of Kythira
The Strait of Kythira is a narrow maritime passage between the Peloponnese and the island of Kythira in southern Greece, serving as an important route between the Aegean and Ionian Seas.
-
B.
Gulf of Corinth
The Gulf of Corinth is a deep, narrow inlet of the Ionian Sea in central Greece that separates the Peloponnese from the mainland and is known for its dramatic coastal landscapes and seismic activity.
-
C.
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.
-
D.
Isthmus of Corinth
The Isthmus of Corinth is the narrow land bridge in Greece that links the Peloponnese peninsula to the mainland and separates the Gulf of Corinth from the Saronic Gulf.
-
E.
Strait of Messina
The Strait of Messina is a narrow waterway between the island of Sicily and mainland Italy, known for its strong currents and strategic maritime importance in the Mediterranean.
- 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: Euripus Strait Target entity description: 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.
-
A.
Strait of Kythira
The Strait of Kythira is a narrow maritime passage between the Peloponnese and the island of Kythira in southern Greece, serving as an important route between the Aegean and Ionian Seas.
-
B.
Gulf of Corinth
The Gulf of Corinth is a deep, narrow inlet of the Ionian Sea in central Greece that separates the Peloponnese from the mainland and is known for its dramatic coastal landscapes and seismic activity.
-
C.
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.
-
D.
Isthmus of Corinth
The Isthmus of Corinth is the narrow land bridge in Greece that links the Peloponnese peninsula to the mainland and separates the Gulf of Corinth from the Saronic Gulf.
-
E.
Strait of Messina
The Strait of Messina is a narrow waterway between the island of Sicily and mainland Italy, known for its strong currents and strategic maritime importance in the Mediterranean.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
strait ⓘ |
| adjacentCity | Chalcis ⓘ |
| associatedWith | Aristotle’s studies of tides ⓘ |
| bodyOfWater | Aegean Sea ⓘ |
| connects |
North Euboean Gulf
ⓘ
South Euboean Gulf ⓘ |
| country | Greece ⓘ |
| crossedBy |
Old Bridge of Chalcis
ⓘ
surface form:
High Bridge of Chalcis
Old Bridge of Chalcis ⓘ |
| greekName | Εύριπος ⓘ |
| hasCurrentDirectionChanges | up to 7–12 times per day ⓘ |
| hasMaximumCurrentSpeed | up to about 8 knots ⓘ |
| hasNavigationConditions | difficult due to strong currents ⓘ |
| hasReputation | one of the most notable tidal phenomena in the Mediterranean ⓘ |
| hasTidalReversalFrequency | multiple times per day ⓘ |
| hasTypeOfCurrent | tidal current ⓘ |
| historicalRegion |
Boeotia
ⓘ
Euboea ⓘ |
| isImportantFor |
fishing
ⓘ
local maritime traffic ⓘ |
| knownFor |
rapidly changing currents
ⓘ
strong tidal currents ⓘ |
| locatedIn | central Greece ⓘ |
| maximumWidth | about 160 meters ⓘ |
| mentionedBy | Aristotle ⓘ |
| minimumWidth | about 40 meters ⓘ |
| near | Euripus Bridge area of Chalcis ⓘ |
| partOf |
North Euboean Gulf
ⓘ
surface form:
Euboean Sea
|
| region |
Sterea Ellada (administrative region)
ⓘ
surface form:
Central Greece administrative region
|
| separates |
Euboea
ⓘ
Greek mainland ⓘ |
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: Euripus Strait Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oropos Strait