Ambala–Una Himachal line
E449636
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ambala–Una Himachal line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4523989 — 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–Una Himachal line Context triple: [Ambala Cantonment railway station, onRailwayLine, Ambala–Una Himachal line]
-
A.
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.
-
B.
Manali-Leh Highway
The Manali–Leh Highway is a high-altitude mountain road in the Indian Himalayas, renowned for its dramatic landscapes and challenging driving conditions as it links Himachal Pradesh with the Ladakh region.
-
C.
Srinagar-Leh Highway
The Srinagar-Leh Highway is a high-altitude mountain road in northern India that serves as a vital lifeline linking the Kashmir Valley with the Ladakh region across the Himalayas.
-
D.
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.
-
E.
Srinagar–Jammu National Highway corridor
The Srinagar–Jammu National Highway corridor is a vital mountainous road link in the Indian union territory of Jammu and Kashmir, connecting the Kashmir Valley with the rest of India and serving as a key strategic and economic lifeline.
- 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–Una Himachal line Target entity description: 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.
-
A.
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.
-
B.
Manali-Leh Highway
The Manali–Leh Highway is a high-altitude mountain road in the Indian Himalayas, renowned for its dramatic landscapes and challenging driving conditions as it links Himachal Pradesh with the Ladakh region.
-
C.
Srinagar-Leh Highway
The Srinagar-Leh Highway is a high-altitude mountain road in northern India that serves as a vital lifeline linking the Kashmir Valley with the Ladakh region across the Himalayas.
-
D.
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.
-
E.
Srinagar–Jammu National Highway corridor
The Srinagar–Jammu National Highway corridor is a vital mountainous road link in the Indian union territory of Jammu and Kashmir, connecting the Kashmir Valley with the rest of India and serving as a key strategic and economic lifeline.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
broad-gauge railway line
ⓘ
railway line ⓘ |
| category |
Railway lines in Haryana
ⓘ
Railway lines in Himachal Pradesh ⓘ Railway lines in Punjab, India ⓘ |
| connects |
Ambala Cantonment
NERFINISHED
ⓘ
Una, Himachal Pradesh NERFINISHED ⓘ |
| country | India ⓘ |
| division | Ambala railway division NERFINISHED ⓘ |
| electrificationStatus | electrified ⓘ |
| endPoint | Una Himachal railway station NERFINISHED ⓘ |
| endPointLocatedIn | Una, Himachal Pradesh NERFINISHED ⓘ |
| gauge | 5 ft 6 in (1,676 mm) ⓘ |
| locatedIn | northern India ⓘ |
| operator | Northern Railway zone NERFINISHED ⓘ |
| partOf | Indian Railways broad-gauge network NERFINISHED ⓘ |
| passesThrough |
Haryana
NERFINISHED
ⓘ
Himachal Pradesh NERFINISHED ⓘ Punjab NERFINISHED ⓘ |
| primaryUse |
freight transport
ⓘ
passenger transport ⓘ |
| regionServed |
Ambala district
NERFINISHED
ⓘ
Una district NERFINISHED ⓘ |
| startPoint |
Ambala Cantonment
NERFINISHED
ⓘ
Ambala Cantonment Junction railway station NERFINISHED ⓘ |
| startPointLocatedIn | Ambala Cantonment, Haryana NERFINISHED ⓘ |
| stateServed |
Haryana
NERFINISHED
ⓘ
Himachal Pradesh NERFINISHED ⓘ Punjab NERFINISHED ⓘ |
| trackType | single track ⓘ |
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–Una Himachal line Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.