Chabahar–Zahedan railway (planned)
E587116
The Chabahar–Zahedan railway is a planned strategic rail line in southeastern Iran intended to link the port city of Chabahar with the inland city of Zahedan, enhancing regional trade and transit connectivity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chabahar–Zahedan railway (planned) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6347266 — 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: Chabahar–Zahedan railway (planned) Context triple: [Port of Chabahar, connectedTo, Chabahar–Zahedan railway (planned)]
-
A.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
B.
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.
-
C.
Trans-Iranian Railway
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.
-
D.
Trans-Caspian Railway
The Trans-Caspian Railway is a historic rail line in Central Asia that formed a key part of the Russian Empire’s and later the Soviet Union’s transportation network across the region.
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E.
Karachi–Peshawar Railway Line
The Karachi–Peshawar Railway Line is Pakistan’s principal north–south rail corridor, linking the port city of Karachi with Peshawar and connecting major urban and industrial centers along its route.
- 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: Chabahar–Zahedan railway (planned) Target entity description: The Chabahar–Zahedan railway is a planned strategic rail line in southeastern Iran intended to link the port city of Chabahar with the inland city of Zahedan, enhancing regional trade and transit connectivity.
-
A.
Tehran–Tabriz railway
The Tehran–Tabriz railway is a major rail line in Iran that links the capital Tehran with the northwestern city of Tabriz, serving as a key corridor for passenger and freight transport across the country.
-
B.
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.
-
C.
Trans-Iranian Railway
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.
-
D.
Trans-Caspian Railway
The Trans-Caspian Railway is a historic rail line in Central Asia that formed a key part of the Russian Empire’s and later the Soviet Union’s transportation network across the region.
-
E.
Karachi–Peshawar Railway Line
The Karachi–Peshawar Railway Line is Pakistan’s principal north–south rail corridor, linking the port city of Karachi with Peshawar and connecting major urban and industrial centers along its route.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
infrastructure project
ⓘ
planned railway line ⓘ |
| connects |
Chabahar
ⓘ
linked to:
Port of Chabahar
Zahedan ⓘ |
| continent | Asia ⓘ |
| country | Iran ⓘ |
| endPoint | Zahedan ⓘ |
| function |
freight transport (planned)
ⓘ
passenger transport (planned) ⓘ |
| gauge | standard gauge (planned) ⓘ |
| intendedRole |
corridor between Chabahar Port and inland Iran
ⓘ
link between seaport and landlocked regions ⓘ |
| locatedIn | southeastern Iran ⓘ |
| partOf | Iranian railway network (planned extension) ⓘ |
| purpose |
enhance regional trade
ⓘ
enhance transit connectivity ⓘ |
| regionServed | Sistan and Baluchestan Province ⓘ |
| relatedInfrastructure |
Chabahar Port
ⓘ
linked to:
Port of Chabahar
|
| startPoint |
Chabahar
ⓘ
linked to:
Port of Chabahar
|
| status | planned ⓘ |
| strategicImportance |
access to Indian Ocean via Chabahar port
ⓘ
regional connectivity ⓘ |
| terminusCity |
Chabahar
ⓘ
linked to:
Port of Chabahar
Zahedan ⓘ |
| transportMode | rail ⓘ |
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: Chabahar–Zahedan railway (planned) Description of subject: The Chabahar–Zahedan railway is a planned strategic rail line in southeastern Iran intended to link the port city of Chabahar with the inland city of Zahedan, enhancing regional trade and transit connectivity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.