Howrah–Kharagpur railway line
E647939
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Howrah–Kharagpur line | 2 |
| Howrah–Kharagpur railway line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7028832 — 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: Howrah–Kharagpur railway line Context triple: [Uluberia, locatedOn, Howrah–Kharagpur railway line]
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A.
Howrah–New Jalpaiguri line
The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
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B.
Howrah–Bardhaman main line
The Howrah–Bardhaman main line is a major suburban and long-distance railway corridor in West Bengal, India, connecting Howrah (Kolkata) with Bardhaman and serving numerous important towns along the route.
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C.
Howrah–Bardhaman chord line
The Howrah–Bardhaman chord line is a major suburban and intercity railway corridor in West Bengal, India, connecting Howrah with Bardhaman via a shorter, high-capacity route.
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D.
Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
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E.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
- 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: Howrah–Kharagpur railway line Target entity description: The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
-
A.
Howrah–New Jalpaiguri line
The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
-
B.
Howrah–Bardhaman main line
The Howrah–Bardhaman main line is a major suburban and long-distance railway corridor in West Bengal, India, connecting Howrah (Kolkata) with Bardhaman and serving numerous important towns along the route.
-
C.
Howrah–Bardhaman chord line
The Howrah–Bardhaman chord line is a major suburban and intercity railway corridor in West Bengal, India, connecting Howrah with Bardhaman via a shorter, high-capacity route.
-
D.
Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
-
E.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
long-distance rail corridor
ⓘ
railway line ⓘ suburban rail corridor ⓘ |
| builtBy | Bengal Nagpur Railway NERFINISHED ⓘ |
| connects |
Howrah
NERFINISHED
ⓘ
Kharagpur NERFINISHED ⓘ |
| connectsToLineAt |
Kharagpur–Adra line
NERFINISHED
ⓘ
Kharagpur–Bhubaneswar line NERFINISHED ⓘ Kharagpur–Tatanagar line NERFINISHED ⓘ Panskura–Haldia line NERFINISHED ⓘ |
| country | India ⓘ |
| division | Kharagpur railway division NERFINISHED ⓘ |
| electrification | 25 kV AC overhead ⓘ |
| electrified | yes ⓘ |
| endPoint | Kharagpur Junction railway station NERFINISHED ⓘ |
| gauge | 5 ft 6 in broad gauge ⓘ |
| hasIntermediateStation |
Bagnan
NERFINISHED
ⓘ
Kolkata Shalimar (via connecting chords) NERFINISHED ⓘ Mecheda NERFINISHED ⓘ Panskura Junction NERFINISHED ⓘ Santragachi Junction NERFINISHED ⓘ Uluberia NERFINISHED ⓘ |
| hasSuburbanBranch | Panskura–Digha line NERFINISHED ⓘ |
| importance | major rail corridor in eastern India ⓘ |
| junctionOnLine |
Kharagpur Junction
NERFINISHED
ⓘ
Panskura Junction NERFINISHED ⓘ |
| locatedIn | West Bengal ⓘ |
| majorTerminus |
Howrah Junction railway station
NERFINISHED
ⓘ
Kharagpur Junction railway station NERFINISHED ⓘ |
| opened | 1900 ⓘ |
| operator | South Eastern Railway zone NERFINISHED ⓘ |
| ownedBy | Indian Railways ⓘ |
| partOf |
Howrah–Chennai main line
NERFINISHED
ⓘ
Howrah–Nagpur–Mumbai line NERFINISHED ⓘ |
| regionServed | South Bengal NERFINISHED ⓘ |
| servesCity |
Howrah
NERFINISHED
ⓘ
Kharagpur NERFINISHED ⓘ Kolkata NERFINISHED ⓘ |
| servesIndustrialArea |
Haldia region (via Panskura)
NERFINISHED
ⓘ
Kharagpur industrial town ⓘ |
| startPoint | Howrah Junction railway station NERFINISHED ⓘ |
| state | West Bengal ⓘ |
| suburbanSystem | Kolkata Suburban Railway NERFINISHED ⓘ |
| trackConfiguration | triple track ⓘ |
| usedFor |
freight traffic
ⓘ
long-distance passenger traffic ⓘ suburban passenger traffic ⓘ |
| zone | South Eastern Railway NERFINISHED ⓘ |
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: Howrah–Kharagpur railway line Description of subject: The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Howrah–Kharagpur line
this entity surface form:
Howrah–Kharagpur line