Isthmus of Suez
E50560
The Isthmus of Suez is the narrow land bridge between Africa and Asia in Egypt that serves as a crucial junction for global trade and navigation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Isthmus of Suez canonical | 7 |
| Isthmus of Sinai | 1 |
| Sinai land bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T394145 — 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: Isthmus of Suez Context triple: [Suez Canal, partOf, Isthmus of Suez]
-
A.
Suez Canal
The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
-
B.
Cairo–Suez line
The Cairo–Suez line is a major Egyptian railway route linking the capital Cairo with the strategic port city of Suez on the Red Sea.
-
C.
Bab-el-Mandeb Strait
The Bab-el-Mandeb Strait is a narrow, strategically vital waterway between the Arabian Peninsula and the Horn of Africa that connects the Red Sea to the Gulf of Aden and the Indian Ocean.
-
D.
Gulf of Suez
The Gulf of Suez is a northwestern arm of the Red Sea that separates mainland Egypt from the Sinai Peninsula and serves as the southern entrance to the Suez Canal.
-
E.
Dardanelles
The Dardanelles is a narrow, strategically vital strait in northwestern Turkey that connects the Aegean Sea to the Sea of Marmara and separates the European and Asian parts of the country.
- 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: Isthmus of Suez Target entity description: The Isthmus of Suez is the narrow land bridge between Africa and Asia in Egypt that serves as a crucial junction for global trade and navigation.
-
A.
Suez Canal
The Suez Canal is a man-made waterway in Egypt that links the Mediterranean Sea to the Red Sea, serving as one of the world’s most important shipping routes between Europe and Asia.
-
B.
Cairo–Suez line
The Cairo–Suez line is a major Egyptian railway route linking the capital Cairo with the strategic port city of Suez on the Red Sea.
-
C.
Bab-el-Mandeb Strait
The Bab-el-Mandeb Strait is a narrow, strategically vital waterway between the Arabian Peninsula and the Horn of Africa that connects the Red Sea to the Gulf of Aden and the Indian Ocean.
-
D.
Gulf of Suez
The Gulf of Suez is a northwestern arm of the Red Sea that separates mainland Egypt from the Sinai Peninsula and serves as the southern entrance to the Suez Canal.
-
E.
Dardanelles
The Dardanelles is a narrow, strategically vital strait in northwestern Turkey that connects the Aegean Sea to the Sea of Marmara and separates the European and Asian parts of the country.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
isthmus
ⓘ
land bridge ⓘ |
| approximateLength |
about 100 miles
ⓘ
about 160 kilometers ⓘ |
| approximateWidth |
about 125 kilometers
ⓘ
about 77 miles ⓘ |
| arabicName | Barzakh as-Suways ⓘ |
| borderedByWaterBody |
Mediterranean Sea
ⓘ
Red Sea ⓘ |
| connects |
African mainland
ⓘ
Asian mainland ⓘ |
| contains |
Great Bitter Lake vicinity
ⓘ
Lake Timsah vicinity ⓘ Little Bitter Lake vicinity ⓘ |
| continentSeparating |
Africa
ⓘ
Asia ⓘ |
| country | Egypt ⓘ |
| formsLandBoundaryBetween |
Egyptian mainland in Africa
ⓘ
Sinai Peninsula ⓘ
surface form:
Sinai Peninsula in Asia
|
| geologicalRole | boundary between African Plate and Arabian Plate ⓘ |
| hasCanal | Suez Canal ⓘ |
| hasEconomicImportance |
facilitates container shipping
ⓘ
facilitates oil transport ⓘ |
| hasFeature |
coastal lagoons and lakes
ⓘ
low-lying desert terrain ⓘ |
| hasInfrastructure |
rail links between Egyptian regions
ⓘ
roads connecting Africa and Asia ⓘ |
| historicalRole |
military corridor between continents
ⓘ
overland trade route between Africa and Asia ⓘ |
| linksSea |
Mediterranean Sea
ⓘ
Red Sea ⓘ |
| locatedIn |
Middle East
ⓘ
Sinai Peninsula ⓘ
surface form:
Sinai Peninsula region
|
| locatedInCountry |
Egypt
ⓘ
surface form:
Arab Republic of Egypt
|
| navigationRole | shortest sea route between Europe and Asia via Suez Canal ⓘ |
| nearCity |
Ismailia
ⓘ
Port Said ⓘ Suez ⓘ |
| partOf | Isthmus of Suez region of Egypt ⓘ |
| politicalSignificance | chokepoint for international shipping ⓘ |
| regionNameLanguage | Arabic ⓘ |
| regionType | arid ⓘ |
| separates | Mediterranean basin from Red Sea basin ⓘ |
| strategicImportance |
global trade
ⓘ
maritime navigation ⓘ |
| traversedBy | Suez Canal ⓘ |
| usedSince | ancient times as trade route ⓘ |
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: Isthmus of Suez Description of subject: The Isthmus of Suez is the narrow land bridge between Africa and Asia in Egypt that serves as a crucial junction for global trade and navigation.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sinai land bridge
this entity surface form:
Isthmus of Sinai