Isthmus of Tehuantepec
E225988
The Isthmus of Tehuantepec is the narrowest part of Mexico between the Gulf of Mexico and the Pacific Ocean, historically significant as a trade and transit corridor and culturally notable for its Indigenous communities.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T2032444 — 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 Tehuantepec Context triple: [State of Oaxaca, hasRegion, Isthmus of Tehuantepec]
-
A.
Isthmus of Panama
The Isthmus of Panama is the narrow strip of land in Central America that links North and South America and separates the Caribbean Sea from the Pacific Ocean.
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B.
Darién Gap
The Darién Gap is a dense, roadless swath of jungle and swamp between Panama and Colombia known as one of the most dangerous and impassable stretches in the Americas.
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C.
San Bernardino Strait
San Bernardino Strait is a vital waterway in the central Philippines that separates the islands of Luzon and Samar and links the Philippine Sea with the inland seas of the archipelago.
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D.
Tehuantepec Ridge
Tehuantepec Ridge is a prominent submarine volcanic ridge on the Cocos Plate in the eastern Pacific Ocean, extending toward the Middle America Trench off the coast of southern Mexico.
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E.
Culebra Cut
Culebra Cut is the narrow, steep-walled artificial gorge that forms one of the most challenging and historically significant sections of the Panama Canal through the continental divide.
- 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 Tehuantepec Target entity description: The Isthmus of Tehuantepec is the narrowest part of Mexico between the Gulf of Mexico and the Pacific Ocean, historically significant as a trade and transit corridor and culturally notable for its Indigenous communities.
-
A.
Isthmus of Panama
The Isthmus of Panama is the narrow strip of land in Central America that links North and South America and separates the Caribbean Sea from the Pacific Ocean.
-
B.
Darién Gap
The Darién Gap is a dense, roadless swath of jungle and swamp between Panama and Colombia known as one of the most dangerous and impassable stretches in the Americas.
-
C.
San Bernardino Strait
San Bernardino Strait is a vital waterway in the central Philippines that separates the islands of Luzon and Samar and links the Philippine Sea with the inland seas of the archipelago.
-
D.
Tehuantepec Ridge
Tehuantepec Ridge is a prominent submarine volcanic ridge on the Cocos Plate in the eastern Pacific Ocean, extending toward the Middle America Trench off the coast of southern Mexico.
-
E.
Culebra Cut
Culebra Cut is the narrow, steep-walled artificial gorge that forms one of the most challenging and historically significant sections of the Panama Canal through the continental divide.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
isthmus ⓘ |
| climate |
prone to strong gap winds
ⓘ
tropical ⓘ |
| country | Mexico ⓘ |
| crossedBy |
Tehuantepec Railway
ⓘ
South Central Pacific and Mexican Railway ⓘ
surface form:
Trans-Isthmic Railway
highway network between Coatzacoalcos and Salina Cruz ⓘ |
| economicActivity |
agriculture
ⓘ
fishing ⓘ petroleum industry ⓘ port services ⓘ |
| hasGeographicalFeature |
Sierra Madre de Chiapas
ⓘ
Sierra Madre de Oaxaca ⓘ |
| hasIndigenousPeople |
Chontal of Oaxaca
ⓘ
surface form:
Chontal Maya
Huave ⓘ Mixe ⓘ Zapotec ⓘ Zoque ⓘ |
| hasMajorCity |
Coatzacoalcos
ⓘ
Juchitán de Zaragoza ⓘ Minatitlán ⓘ Salina Cruz ⓘ Isthmus of Tehuantepec self-linksurface differs ⓘ
surface form:
Tehuantepec
|
| historicallyUsedFor |
interoceanic transit
ⓘ
trade route ⓘ |
| knownFor |
Zapotec matriarchal social structures
ⓘ
regional markets and trade fairs ⓘ strong Indigenous cultural traditions ⓘ traditional Tehuana dress ⓘ |
| languageRegionFor |
Huave language
ⓘ
surface form:
Huave languages
Zapotecan languages ⓘ
surface form:
Isthmus Zapotec
|
| locatedIn | southern Mexico ⓘ |
| locatedInAdministrativeTerritory |
Chiapas
ⓘ
Oaxaca ⓘ Tabasco ⓘ Veracruz ⓘ |
| lowestLandConnectionBetween |
Gulf of Mexico
ⓘ
Pacific Ocean ⓘ |
| narrowestPointOf | Mexico ⓘ |
| partOf |
Mesoamerica
ⓘ
Mexican Isthmus region ⓘ North America ⓘ |
| separates |
Gulf of Mexico
ⓘ
Pacific Ocean ⓘ |
| strategicImportance | shortest overland route between Atlantic and Pacific in Mexico ⓘ |
| usedBy |
Spanish colonial trade routes
ⓘ
pre-Columbian trade networks ⓘ |
| wasConsideredFor | canal route alternative to Panama Canal ⓘ |
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 Tehuantepec Description of subject: The Isthmus of Tehuantepec is the narrowest part of Mexico between the Gulf of Mexico and the Pacific Ocean, historically significant as a trade and transit corridor and culturally notable for its Indigenous communities.
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tehuantepec Isthmus
subject surface form:
Southern Mexico
this entity surface form:
Isthmus of Tehuantepec region
this entity surface form:
Tehuantepec
this entity surface form:
Isthmus of Tehuantepec region
this entity surface form:
Tehuantepec
this entity surface form:
Istmo de Tehuantepec
subject surface form:
Isthmian script
subject surface form:
Oaxaca (state)
this entity surface form:
Tehuantepec
subject surface form:
Oaxaca (state)
this entity surface form:
Isthmus of Tehuantepec region (broad sense)
this entity surface form:
Isthmus of Tehuantepec region
subject surface form:
Coatzacoalcos
this entity surface form:
Isthmus of Tehuantepec area
subject surface form:
Coatzacoalcos
this entity surface form:
Isthmus of Tehuantepec transport corridor
this entity surface form:
Isthmus of Tehuantepec region