Tehuantepec Railway
E795749
The Tehuantepec Railway is a rail line in southern Mexico that provides a key trans-isthmian transportation route linking the Gulf of Mexico with the Pacific Ocean.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ferrocarril del Istmo de Tehuantepec | 1 |
| Tehuantepec Railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9389509 — 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: Tehuantepec Railway Context triple: [Isthmus of Tehuantepec, crossedBy, Tehuantepec Railway]
-
A.
Ferrocarril Chihuahua al Pacífico
Ferrocarril Chihuahua al Pacífico is a scenic Mexican railway line, commonly known as "El Chepe," that traverses the Sierra Madre Occidental and the Copper Canyon region.
-
B.
Texas Mexican Railway
Texas Mexican Railway is a regional railroad in Texas that historically provided freight and cross-border rail services between the United States and Mexico and later became part of the Kansas City Southern rail network.
-
C.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
D.
South Central Pacific and Mexican Railway
The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
-
E.
Mexican railroads
Mexican railroads comprise the national railway network of Mexico, historically vital for freight and passenger transport and now focused primarily on cargo services across the country and into the United States.
- 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: Tehuantepec Railway Target entity description: The Tehuantepec Railway is a rail line in southern Mexico that provides a key trans-isthmian transportation route linking the Gulf of Mexico with the Pacific Ocean.
-
A.
Ferrocarril Chihuahua al Pacífico
Ferrocarril Chihuahua al Pacífico is a scenic Mexican railway line, commonly known as "El Chepe," that traverses the Sierra Madre Occidental and the Copper Canyon region.
-
B.
Texas Mexican Railway
Texas Mexican Railway is a regional railroad in Texas that historically provided freight and cross-border rail services between the United States and Mexico and later became part of the Kansas City Southern rail network.
-
C.
Chepe railway
The Chepe railway is a scenic passenger train route in northern Mexico that traverses the dramatic landscapes and deep gorges of the Copper Canyon.
-
D.
South Central Pacific and Mexican Railway
The South Central Pacific and Mexican Railway was a 19th-century railroad enterprise involved in developing rail connections between the southwestern United States and Mexico.
-
E.
Mexican railroads
Mexican railroads comprise the national railway network of Mexico, historically vital for freight and passenger transport and now focused primarily on cargo services across the country and into the United States.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connectsPort |
port on Gulf of Mexico
ⓘ
port on Pacific Ocean ⓘ |
| connectsTo |
Gulf of Mexico
ⓘ
Pacific Ocean ⓘ |
| country | Mexico ⓘ |
| economicRole |
facilitates cargo movement between oceans
ⓘ
supports regional development in southern Mexico ⓘ |
| hasFunction | trans-isthmian transportation route ⓘ |
| hasGauge | standard gauge ⓘ |
| hasRouteType | interoceanic corridor ⓘ |
| infrastructureType |
bridges
ⓘ
single-track sections ⓘ tunnels ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Isthmus of Tehuantepec
ⓘ
southern Mexico ⓘ |
| namedAfter | Isthmus of Tehuantepec ⓘ |
| operatorType | state-owned operator ⓘ |
| ownedBy | Government of Mexico ⓘ |
| partOf | Mexican rail network ⓘ |
| regionServed |
Isthmus of Tehuantepec
ⓘ
Oaxaca ⓘ southern Veracruz ⓘ |
| strategicImportance |
alternative route between Atlantic and Pacific coasts
ⓘ
supports interoceanic trade ⓘ |
| transportMode | rail ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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: Tehuantepec Railway Description of subject: The Tehuantepec Railway is a rail line in southern Mexico that provides a key trans-isthmian transportation route linking the Gulf of Mexico with the Pacific Ocean.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Administración del Sistema Portuario Nacional Salina Cruz
→
collaboratesWith
→
Ferrocarril del Istmo de Tehuantepec
ⓘ
linked to: Tehuantepec Railway