Trans-Iranian Railway
E116620
The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mashhad–Tehran railway | 1 |
| Trans-Iranian Railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T986790 — 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: Trans-Iranian Railway Context triple: [Persian Corridor, keyRailLine, Trans-Iranian Railway]
-
A.
Persian Corridor
The Persian Corridor was a vital World War II supply route through Iran used by the Allies to transport military aid to the Soviet Union.
-
B.
Trans-Siberian Railway
The Trans-Siberian Railway is a legendary long-distance rail line spanning Russia from Europe to the Pacific, renowned as one of the longest railway routes in the world.
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C.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
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D.
Quetta–Chaman railway line
The Quetta–Chaman railway line is a historic rail route in Balochistan, Pakistan, running from the provincial capital Quetta to the border town of Chaman near Afghanistan and serving as a key strategic and regional transport link.
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E.
Karakoram Highway
The Karakoram Highway is a high-altitude international road linking Pakistan and China through the Karakoram mountain range, renowned as one of the world’s highest paved routes and a key part of the ancient Silk Road corridor.
- 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: Trans-Iranian Railway Target entity description: The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
-
A.
Persian Corridor
The Persian Corridor was a vital World War II supply route through Iran used by the Allies to transport military aid to the Soviet Union.
-
B.
Trans-Siberian Railway
The Trans-Siberian Railway is a legendary long-distance rail line spanning Russia from Europe to the Pacific, renowned as one of the longest railway routes in the world.
-
C.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
-
D.
Quetta–Chaman railway line
The Quetta–Chaman railway line is a historic rail route in Balochistan, Pakistan, running from the provincial capital Quetta to the border town of Chaman near Afghanistan and serving as a key strategic and regional transport link.
-
E.
Karakoram Highway
The Karakoram Highway is a high-altitude international road linking Pakistan and China through the Karakoram mountain range, renowned as one of the world’s highest paved routes and a key part of the ancient Silk Road corridor.
- F. None of above. chosen
Statements (49)
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: Trans-Iranian Railway Description of subject: The Trans-Iranian Railway is a historic north–south rail line completed in the 1930s that links the Persian Gulf to the Caspian Sea, playing a crucial role in Iran’s transportation network and in Allied logistics during World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mashhad–Tehran railway