Thanjavur–Nagapattinam line
E681471
The Thanjavur–Nagapattinam line is a railway route in the Indian state of Tamil Nadu that connects the inland cultural hub of Thanjavur with the coastal town of Nagapattinam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Thanjavur–Nagapattinam line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7650018 — 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: Thanjavur–Nagapattinam line Context triple: [Thanjavur Junction railway station, isJunctionOf, Thanjavur–Nagapattinam line]
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A.
Tiruchirappalli–Thanjavur line
The Tiruchirappalli–Thanjavur line is a key railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Thanjavur and serving as an important corridor for regional passenger and freight traffic.
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B.
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.
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C.
Tiruchirappalli–Karur line
The Tiruchirappalli–Karur line is a railway route in the Indian state of Tamil Nadu that connects the city of Tiruchirappalli with Karur, serving as an important regional link for passenger and freight traffic.
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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.
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.
- 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: Thanjavur–Nagapattinam line Target entity description: The Thanjavur–Nagapattinam line is a railway route in the Indian state of Tamil Nadu that connects the inland cultural hub of Thanjavur with the coastal town of Nagapattinam.
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A.
Tiruchirappalli–Thanjavur line
The Tiruchirappalli–Thanjavur line is a key railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Thanjavur and serving as an important corridor for regional passenger and freight traffic.
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B.
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.
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C.
Tiruchirappalli–Karur line
The Tiruchirappalli–Karur line is a railway route in the Indian state of Tamil Nadu that connects the city of Tiruchirappalli with Karur, serving as an important regional link for passenger and freight traffic.
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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.
-
E.
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.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
railway route ⓘ |
| connects |
Nagapattinam
NERFINISHED
ⓘ
Thanjavur NERFINISHED ⓘ |
| connectsTypeOfPlace |
coastal town
ⓘ
inland cultural hub ⓘ |
| country | India ⓘ |
| electrificationStatus | electrified ⓘ |
| endPoint | Nagapattinam NERFINISHED ⓘ |
| gauge | broad gauge ⓘ |
| locatedIn |
Nagapattinam district
NERFINISHED
ⓘ
Southern Railway zone NERFINISHED ⓘ Tamil Nadu ⓘ Thanjavur district NERFINISHED ⓘ |
| locatedOnContinent | Asia ⓘ |
| operator | Southern Railway NERFINISHED ⓘ |
| owner | Indian Railways NERFINISHED ⓘ |
| partOf | Indian Railways network NERFINISHED ⓘ |
| primaryUse |
freight transport
ⓘ
passenger transport ⓘ |
| regionServed | Cauvery Delta NERFINISHED ⓘ |
| servesCity |
Nagapattinam
NERFINISHED
ⓘ
Thanjavur NERFINISHED ⓘ Thiruvarur NERFINISHED ⓘ |
| startPoint | Thanjavur NERFINISHED ⓘ |
| state | Tamil Nadu ⓘ |
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: Thanjavur–Nagapattinam line Description of subject: The Thanjavur–Nagapattinam line is a railway route in the Indian state of Tamil Nadu that connects the inland cultural hub of Thanjavur with the coastal town of Nagapattinam.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.