Grand Chord railway line
E655930
The Grand Chord railway line is a major high-capacity rail corridor in India that forms a crucial part of the Howrah–Delhi route, enabling faster passenger and freight movement across eastern and northern India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Grand Chord line | 1 |
| Grand Chord railway line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7308254 — 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: Grand Chord railway line Context triple: [Chandauli district, hasTransportInfrastructure, Grand Chord railway line]
-
A.
Westbahn railway line
The Westbahn railway line is a major Austrian rail route that connects Vienna with Salzburg and serves numerous cities and towns along its corridor.
-
B.
Arrow rail line
Arrow rail line is a passenger rail service in Southern California that connects Redlands with the broader regional rail network.
-
C.
AREX rail line
The AREX rail line is a major South Korean airport railway connecting central Seoul with Incheon International Airport and Gimpo International Airport.
-
D.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
E.
Hel railway line
The Hel railway line is a Polish rail route running along the Hel Peninsula, connecting coastal towns and serving as a key link to the seaside resort of Hel.
- 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: Grand Chord railway line Target entity description: The Grand Chord railway line is a major high-capacity rail corridor in India that forms a crucial part of the Howrah–Delhi route, enabling faster passenger and freight movement across eastern and northern India.
-
A.
Westbahn railway line
The Westbahn railway line is a major Austrian rail route that connects Vienna with Salzburg and serves numerous cities and towns along its corridor.
-
B.
Arrow rail line
Arrow rail line is a passenger rail service in Southern California that connects Redlands with the broader regional rail network.
-
C.
AREX rail line
The AREX rail line is a major South Korean airport railway connecting central Seoul with Incheon International Airport and Gimpo International Airport.
-
D.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
E.
Hel railway line
The Hel railway line is a Polish rail route running along the Hel Peninsula, connecting coastal towns and serving as a key link to the seaside resort of Hel.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
rail corridor
ⓘ
railway line ⓘ |
| administrativeZone |
East Central Railway
NERFINISHED
ⓘ
Eastern Railway NERFINISHED ⓘ |
| connects |
Asansol Junction
NERFINISHED
ⓘ
Dhanbad Junction NERFINISHED ⓘ Gomoh Junction NERFINISHED ⓘ Mughalsarai Junction NERFINISHED ⓘ Sonnagar NERFINISHED ⓘ |
| constructedBy | East Indian Railway Company NERFINISHED ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead ⓘ |
| endPoint | Mughalsarai Junction NERFINISHED ⓘ |
| formsPartOf |
Howrah–Allahabad–Mumbai route (via junctions)
NERFINISHED
ⓘ
Howrah–Gaya–Delhi route NERFINISHED ⓘ |
| freightType |
coal
ⓘ
general goods ⓘ iron ore ⓘ steel ⓘ |
| gauge | 5 ft 6 in broad gauge ⓘ |
| importance |
crucial part of Howrah–Delhi route
ⓘ
major high-capacity rail corridor ⓘ |
| locatedIn |
Bihar
ⓘ
Jharkhand NERFINISHED ⓘ West Bengal ⓘ |
| notableStation |
Asansol Junction
NERFINISHED
ⓘ
Dhanbad Junction NERFINISHED ⓘ Gaya Junction NERFINISHED ⓘ Gomoh Junction NERFINISHED ⓘ Koderma Junction NERFINISHED ⓘ |
| opened | 1906 ⓘ |
| operator | Indian Railways NERFINISHED ⓘ |
| owner | Indian Railways NERFINISHED ⓘ |
| partOf | Howrah–Delhi main line NERFINISHED ⓘ |
| passesThrough | Dhanbad coalfield region NERFINISHED ⓘ |
| primaryUse |
freight traffic
ⓘ
passenger traffic ⓘ |
| purpose |
enable faster freight movement
ⓘ
enable faster passenger movement ⓘ shorten distance between Howrah and Delhi ⓘ |
| regionServed |
eastern India
NERFINISHED
ⓘ
northern India NERFINISHED ⓘ |
| role |
busiest freight corridor in eastern India
ⓘ
key link between Kolkata region and northern India ⓘ |
| startPoint | Sonnagar NERFINISHED ⓘ |
| status | operational ⓘ |
| trackConfiguration | double line ⓘ |
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: Grand Chord railway line Description of subject: The Grand Chord railway line is a major high-capacity rail corridor in India that forms a crucial part of the Howrah–Delhi route, enabling faster passenger and freight movement across eastern and northern India.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chandauli district
this entity surface form:
Grand Chord line