Ambala–Attari line
E451633
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ambala–Attari line canonical | 2 |
| Ambala–Saharanpur line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4523988 — 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: Ambala–Attari line Context triple: [Ambala Cantonment railway station, onRailwayLine, Ambala–Attari line]
-
A.
Delhi–Amritsar line
The Delhi–Amritsar line is a major Indian Railways route connecting the national capital Delhi with the city of Amritsar in Punjab, serving as a key passenger and freight corridor in North India.
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B.
Delhi–Ambala railway line
The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
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C.
Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
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D.
Ambala–Una Himachal line
The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
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E.
Agra–Gwalior–Jhansi line
The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, 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: Ambala–Attari line Target entity description: 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.
-
A.
Delhi–Amritsar line
The Delhi–Amritsar line is a major Indian Railways route connecting the national capital Delhi with the city of Amritsar in Punjab, serving as a key passenger and freight corridor in North India.
-
B.
Delhi–Ambala railway line
The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
-
C.
Agra–Bandikui–Jaipur line
The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both passenger and freight traffic.
-
D.
Ambala–Una Himachal line
The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
-
E.
Agra–Gwalior–Jhansi line
The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
railway route ⓘ |
| administrativeZone | Northern Railway zone NERFINISHED ⓘ |
| borderProximity | India–Pakistan border NERFINISHED ⓘ |
| connects |
Ambala Cantonment Junction
NERFINISHED
ⓘ
Amritsar Junction NERFINISHED ⓘ Jalandhar City Junction NERFINISHED ⓘ Ludhiana Junction NERFINISHED ⓘ |
| connectsTo |
Ambala–Ludhiana section
NERFINISHED
ⓘ
Amritsar–Attari section NERFINISHED ⓘ Jalandhar–Amritsar section NERFINISHED ⓘ Ludhiana–Jalandhar section NERFINISHED ⓘ |
| country | India ⓘ |
| crosses |
Beas River
NERFINISHED
ⓘ
Sutlej River NERFINISHED ⓘ |
| electrification | 25 kV AC overhead line ⓘ |
| endPoint |
Attari
NERFINISHED
ⓘ
Attari railway station NERFINISHED ⓘ |
| gauge |
1,676 mm broad gauge
ⓘ
5 ft 6 in broad gauge ⓘ |
| hasMajorStation |
Ambala Cantonment Junction
NERFINISHED
ⓘ
Amritsar Junction NERFINISHED ⓘ Attari railway station NERFINISHED ⓘ Jalandhar City Junction NERFINISHED ⓘ Ludhiana Junction NERFINISHED ⓘ |
| historicalSignificance | connects to Wagah border area NERFINISHED ⓘ |
| importantFor |
freight movement between northern India and border areas
ⓘ
long-distance passenger trains ⓘ |
| locatedIn | Northern India NERFINISHED ⓘ |
| operator | Northern Railway zone NERFINISHED ⓘ |
| owner | Indian Railways NERFINISHED ⓘ |
| partOf |
Ambala railway division
NERFINISHED
ⓘ
Delhi–Amritsar route NERFINISHED ⓘ Firozpur railway division NERFINISHED ⓘ |
| primaryUse |
freight traffic
ⓘ
passenger traffic ⓘ |
| regionServed |
Haryana
NERFINISHED
ⓘ
Punjab, India NERFINISHED ⓘ |
| startPoint |
Ambala
NERFINISHED
ⓘ
Ambala Cantonment Junction NERFINISHED ⓘ |
| state |
Haryana
NERFINISHED
ⓘ
Punjab, India NERFINISHED ⓘ |
| status | operational ⓘ |
| trackType | double line on most sections ⓘ |
| uses | electric traction ⓘ |
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: Ambala–Attari line Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ambala–Saharanpur line
subject surface form:
Beas railway station