Jolarpettai–Shoranur line
E694051
The Jolarpettai–Shoranur line is a major broad-gauge railway route in southern India that connects Tamil Nadu with Kerala, serving as an important corridor for both passenger and freight traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jolarpettai–Shoranur line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7795937 — 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: Jolarpettai–Shoranur line Context triple: [Coimbatore North Junction, line, Jolarpettai–Shoranur line]
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A.
Coimbatore–Shoranur line
The Coimbatore–Shoranur line is a key broad-gauge railway route in southern India that connects Coimbatore in Tamil Nadu with Shoranur in Kerala, facilitating major passenger and freight movement between the two states.
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B.
Chennai–Coimbatore line
The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key corridor for both passenger and freight traffic.
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C.
Chennai–Tiruchirappalli line
The Chennai–Tiruchirappalli line is a major electrified broad-gauge railway corridor in Tamil Nadu, India, connecting the state capital Chennai with the important inland city of Tiruchirappalli and forming part of the busy Southern Railway network.
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D.
Tiruchirappalli–Dindigul line
The Tiruchirappalli–Dindigul line is a key broad-gauge railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Dindigul and serving as an important link in the Southern Railway network.
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E.
Tiruchirappalli–Madurai line
The Tiruchirappalli–Madurai line is a key railway route in the Indian state of Tamil Nadu that connects the major cities of Tiruchirappalli and Madurai, 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: Jolarpettai–Shoranur line Target entity description: The Jolarpettai–Shoranur line is a major broad-gauge railway route in southern India that connects Tamil Nadu with Kerala, serving as an important corridor for both passenger and freight traffic.
-
A.
Coimbatore–Shoranur line
The Coimbatore–Shoranur line is a key broad-gauge railway route in southern India that connects Coimbatore in Tamil Nadu with Shoranur in Kerala, facilitating major passenger and freight movement between the two states.
-
B.
Chennai–Coimbatore line
The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key corridor for both passenger and freight traffic.
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C.
Chennai–Tiruchirappalli line
The Chennai–Tiruchirappalli line is a major electrified broad-gauge railway corridor in Tamil Nadu, India, connecting the state capital Chennai with the important inland city of Tiruchirappalli and forming part of the busy Southern Railway network.
-
D.
Tiruchirappalli–Dindigul line
The Tiruchirappalli–Dindigul line is a key broad-gauge railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Dindigul and serving as an important link in the Southern Railway network.
-
E.
Tiruchirappalli–Madurai line
The Tiruchirappalli–Madurai line is a key railway route in the Indian state of Tamil Nadu that connects the major cities of Tiruchirappalli and Madurai, serving as an important corridor for both passenger and freight traffic.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| administrativeDivision |
Palakkad railway division
NERFINISHED
ⓘ
Salem railway division NERFINISHED ⓘ |
| category | main line of Southern Railway zone ⓘ |
| connectsCity |
Chennai (via Jolarpettai Junction)
ⓘ
Coimbatore NERFINISHED ⓘ Erode NERFINISHED ⓘ Palakkad NERFINISHED ⓘ Shoranur NERFINISHED ⓘ Tiruppur NERFINISHED ⓘ Vaniyambadi (via Jolarpettai) NERFINISHED ⓘ |
| connectsRegion |
central Kerala
ⓘ
western Tamil Nadu ⓘ |
| connectsState |
Kerala
NERFINISHED
ⓘ
Tamil Nadu NERFINISHED ⓘ |
| country | India ⓘ |
| electrification | electrified double line on most sections ⓘ |
| electrificationSystem | 25 kV AC overhead lines ⓘ |
| endPoint | Shoranur Junction NERFINISHED ⓘ |
| gauge |
1676 mm broad gauge
ⓘ
5 ft 6 in broad gauge ⓘ |
| historicalGauge | converted to broad gauge from metre gauge on some sections ⓘ |
| importance | major corridor between Tamil Nadu and Kerala ⓘ |
| importantJunctionOnRoute |
Coimbatore Junction
NERFINISHED
ⓘ
Erode Junction NERFINISHED ⓘ Palakkad Junction NERFINISHED ⓘ Podanur Junction NERFINISHED ⓘ Tiruppur NERFINISHED ⓘ |
| junctionFunction | interchange with Konkan-bound and Malabar-bound routes at Shoranur Junction ⓘ |
| locatedIn | Southern Railway zone NERFINISHED ⓘ |
| operator | Southern Railway zone of Indian Railways NERFINISHED ⓘ |
| ownedBy | Indian Railways ⓘ |
| partOf | Golden Quadrilateral trunk routes network (via connecting lines) NERFINISHED ⓘ |
| passesThroughState |
Kerala
NERFINISHED
ⓘ
Tamil Nadu NERFINISHED ⓘ |
| primaryUse |
freight traffic
ⓘ
passenger traffic ⓘ |
| railwayZone | Southern Railway NERFINISHED ⓘ |
| regionServed | southern India ⓘ |
| role | key link between Chennai and Kerala via Coimbatore ⓘ |
| startPoint | Jolarpettai Junction NERFINISHED ⓘ |
| trackConfiguration | double track on major stretches ⓘ |
| trafficType |
freight trains
ⓘ
long-distance express trains ⓘ passenger and MEMU services ⓘ |
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: Jolarpettai–Shoranur line Description of subject: The Jolarpettai–Shoranur line is a major broad-gauge railway route in southern India that connects Tamil Nadu with Kerala, serving as an important corridor for both passenger and freight traffic.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.