Mumbai–Chennai line
E815390
The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Mumbai–Chennai line canonical | 7 |
| Chennai–Mumbai line | 2 |
| Chennai–Mumbai railway route | 1 |
| Mumbai–Chennai railway route | 1 |
| Mumbai–Guntakal–Chennai line | 1 |
| Mumbai–Nellore line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9686477 — 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: Mumbai–Chennai line Context triple: [Raichur railway station, onLine, Mumbai–Chennai line]
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A.
Delhi–Chennai line
The Delhi–Chennai line is a major Indian Railways trunk route connecting the national capital New Delhi with the southern metropolis Chennai, passing through key central Indian cities such as Nagpur.
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B.
Nagpur–Secunderabad line
The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
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C.
Mumbai–Pune railway line
The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
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D.
Delhi–Mumbai line
The Delhi–Mumbai line is one of India’s busiest and most important railway corridors, connecting the national capital New Delhi with the financial hub Mumbai and passing through major cities in northern and western India.
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E.
Howrah–Nagpur–Mumbai line
The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
- 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: Mumbai–Chennai line Target entity description: The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
-
A.
Delhi–Chennai line
The Delhi–Chennai line is a major Indian Railways trunk route connecting the national capital New Delhi with the southern metropolis Chennai, passing through key central Indian cities such as Nagpur.
-
B.
Nagpur–Secunderabad line
The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
-
C.
Mumbai–Pune railway line
The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
-
D.
Delhi–Mumbai line
The Delhi–Mumbai line is one of India’s busiest and most important railway corridors, connecting the national capital New Delhi with the financial hub Mumbai and passing through major cities in northern and western India.
-
E.
Howrah–Nagpur–Mumbai line
The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
- F. None of above. chosen
Statements (46)
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: Mumbai–Chennai line Description of subject: The Mumbai–Chennai line is a major Indian Railways trunk route connecting the western metropolis of Mumbai with the southern city of Chennai, passing through key junctions across Maharashtra, Karnataka, Andhra Pradesh, and Tamil Nadu.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
→
railwayLine
→
Chennai–Mumbai line
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linked to: Mumbai–Chennai line
linked to: Mumbai–Chennai line
linked to: Mumbai–Chennai line
subject linked to:
RC
linked to: Mumbai–Chennai line
linked to: Mumbai–Chennai line