Chidambaram railway station
E539425
Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chidambaram railway station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5726920 — 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: Chidambaram railway station Context triple: [Chidambaram, railwayStation, Chidambaram railway station]
-
A.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
B.
Coimbatore Junction railway station
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
-
C.
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
-
D.
Srirangam railway station
Srirangam railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Srirangam and connecting it to major cities in the state and beyond.
-
E.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
- 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: Chidambaram railway station Target entity description: Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
-
A.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
B.
Coimbatore Junction railway station
Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
-
C.
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
-
D.
Srirangam railway station
Srirangam railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Srirangam and connecting it to major cities in the state and beyond.
-
E.
Chennai Egmore railway station
Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Indian Railways station
ⓘ
railway station ⓘ |
| category | regional rail station in Tamil Nadu ⓘ |
| connectsTo |
Chennai
NERFINISHED
ⓘ
Cuddalore NERFINISHED ⓘ Mayiladuthurai NERFINISHED ⓘ Tiruchirappalli NERFINISHED ⓘ Villupuram NERFINISHED ⓘ |
| country | India ⓘ |
| electrificationStatus | electrified ⓘ |
| hasFunction | regional rail hub ⓘ |
| hasTransportMode | rail ⓘ |
| locatedIn |
Chidambaram
NERFINISHED
ⓘ
Cuddalore district NERFINISHED ⓘ South India ⓘ Tamil Nadu ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| onLine |
Chennai Egmore–Tiruchirappalli line
NERFINISHED
ⓘ
Chennai–Tiruchirappalli main line NERFINISHED ⓘ |
| operator | Southern Railway zone NERFINISHED ⓘ |
| owner | Indian Railways NERFINISHED ⓘ |
| railwayDivision | Tiruchirappalli railway division NERFINISHED ⓘ |
| railwayGauge | broad gauge ⓘ |
| railwayNetwork | Indian Railways NERFINISHED ⓘ |
| railwayZone | Southern Railway zone NERFINISHED ⓘ |
| serves |
Chidambaram
NERFINISHED
ⓘ
Chidambaram Nataraja Temple NERFINISHED ⓘ |
| servesAs | access point for pilgrims to Chidambaram temple town ⓘ |
| 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: Chidambaram railway station Description of subject: Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.