Rohri–Chaman Railway Line
E655216
The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rohri–Chaman Railway Line canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7309480 — 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: Rohri–Chaman Railway Line Context triple: [Quetta Railway Station, isJunctionOn, Rohri–Chaman Railway Line]
-
A.
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.
-
B.
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.
-
C.
Kandhkot–Jacobabad Line
The Kandhkot–Jacobabad Line is a regional railway route in Pakistan that connects the towns of Kandhkot and Jacobabad within the national rail network.
-
D.
Quetta–Taftan Railway Line
The Quetta–Taftan Railway Line is a key rail route in Pakistan that connects the city of Quetta to the Iranian border at Taftan, facilitating regional trade and cross-border travel.
-
E.
Ambala–Attari line
The Ambala–Attari line is a major railway route in northern India that connects Ambala in Haryana to Attari near the India–Pakistan border, serving as an important corridor for both passenger and freight traffic.
- 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: Rohri–Chaman Railway Line Target entity description: The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
-
A.
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.
-
B.
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.
-
C.
Kandhkot–Jacobabad Line
The Kandhkot–Jacobabad Line is a regional railway route in Pakistan that connects the towns of Kandhkot and Jacobabad within the national rail network.
-
D.
Quetta–Taftan Railway Line
The Quetta–Taftan Railway Line is a key rail route in Pakistan that connects the city of Quetta to the Iranian border at Taftan, facilitating regional trade and cross-border travel.
-
E.
Ambala–Attari line
The Ambala–Attari line is a major railway route in northern India that connects Ambala in Haryana to Attari near the India–Pakistan border, serving as an important corridor for both passenger and freight traffic.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| builtDuring |
British Raj
ⓘ
linked to:
British India
|
| connectsCity |
Chaman
ⓘ
Quetta ⓘ Sibi ⓘ Sukkur (via Rohri) ⓘ |
| connectsRegion |
Afghan border region near Chaman
ⓘ
interior Sindh ⓘ northern Balochistan ⓘ |
| connectsTo |
Chaman
ⓘ
Quetta ⓘ Rohri ⓘ Sibi ⓘ |
| country | Pakistan ⓘ |
| electrification | not electrified ⓘ |
| endPoint | Chaman ⓘ |
| gauge |
1,676 mm
ⓘ
5 ft 6 in broad gauge ⓘ |
| hasPart |
Quetta–Chaman section
ⓘ
linked to:
Quetta–Chaman railway line
Rohri–Sibi section ⓘ Sibi–Quetta section ⓘ |
| historicalSignificance | key colonial-era route to Afghanistan ⓘ |
| locatedInAdministrativeTerritorialEntity |
Balochistan, Pakistan
ⓘ
Sindh ⓘ |
| operator |
Pakistan Railways
ⓘ
linked to:
Pakistan Railways network
|
| partOf | Pakistan Railways network ⓘ |
| partOfCorridor | trade corridor between Pakistan and Afghanistan ⓘ |
| passesThrough |
Qila Abdullah District
ⓘ
linked to:
Qilla Abdullah District
Quetta District ⓘ
linked to:
Quetta
Sibi District ⓘ Sukkur Division ⓘ |
| regionServed |
Central Asia gateway via Afghanistan
ⓘ
South Asia ⓘ |
| role |
major east–west rail corridor in Pakistan
ⓘ
strategic route for access to Afghanistan ⓘ |
| startPoint | Rohri ⓘ |
| status | operational ⓘ |
| terminusNear | Afghanistan border ⓘ |
| trackConfiguration | single track ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ regional trade ⓘ |
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: Rohri–Chaman Railway Line Description of subject: The Rohri–Chaman Railway Line is a major railway route in Pakistan that connects the interior of Sindh to Balochistan and extends toward the Afghan border, serving as a key corridor for regional transport and trade.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.