Koyambedu depot
E343311
Koyambedu depot is a major maintenance, operations, and stabling facility serving the Chennai Metro rail network in Chennai, India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koyambedu depot canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3258290 — 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: Koyambedu depot Context triple: [Chennai Metro, hasDepot, Koyambedu depot]
-
A.
Byappanahalli depot
Byappanahalli depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system, located near the Byappanahalli metro station.
-
B.
Peenya depot
Peenya depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system.
-
C.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
D.
Ukkadam Bus Terminus
Ukkadam Bus Terminus is a major bus station and transport hub serving city and intercity routes in Coimbatore, Tamil Nadu, India.
-
E.
Wadala Depot
Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, India.
- 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: Koyambedu depot Target entity description: Koyambedu depot is a major maintenance, operations, and stabling facility serving the Chennai Metro rail network in Chennai, India.
-
A.
Byappanahalli depot
Byappanahalli depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system, located near the Byappanahalli metro station.
-
B.
Peenya depot
Peenya depot is a major maintenance and stabling facility serving Bengaluru’s Namma Metro system.
-
C.
Erode Junction
Erode Junction is a major railway station and transport hub in the city of Erode, Tamil Nadu, serving as an important junction on the Southern Railway network of India.
-
D.
Ukkadam Bus Terminus
Ukkadam Bus Terminus is a major bus station and transport hub serving city and intercity routes in Coimbatore, Tamil Nadu, India.
-
E.
Wadala Depot
Wadala Depot is a key station and maintenance hub on the Mumbai Monorail network, serving the Wadala area of Mumbai, India.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
metro rail depot
ⓘ
railway maintenance facility ⓘ |
| cityServed | Chennai ⓘ |
| connectedTo |
Chennai Metro Green Line
ⓘ
linked to:
Chennai Metro
Chennai Metro network mainline ⓘ
linked to:
Chennai Metro
|
| country | India ⓘ |
| function |
maintenance facility
ⓘ
operations facility ⓘ stabling facility ⓘ |
| hasFacility |
administrative buildings
ⓘ
inspection lines ⓘ maintenance sheds ⓘ operations support buildings ⓘ stabling lines ⓘ workshops ⓘ |
| locatedIn |
Chennai
ⓘ
Koyambedu ⓘ
linked to:
Vepery
Tamil Nadu ⓘ |
| ownedBy |
Chennai Metro Rail Limited
ⓘ
linked to:
Chennai Metro
|
| partOf | Chennai Metro infrastructure ⓘ |
| primaryRole |
housing metro train sets when not in service
ⓘ
supporting daily metro train operations ⓘ |
| railGaugeServed | standard gauge ⓘ |
| railSystemTypeServed | rapid transit ⓘ |
| regionServed |
Chennai metropolitan area
ⓘ
linked to:
Chennai
|
| servesNetwork | Chennai Metro ⓘ |
| usedFor |
rolling stock maintenance
ⓘ
train operations control support ⓘ train stabling ⓘ |
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: Koyambedu depot Description of subject: Koyambedu depot is a major maintenance, operations, and stabling facility serving the Chennai Metro rail network in Chennai, India.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.