Mumbai Metro
E55423
Mumbai Metro is a rapid transit system serving the Mumbai metropolitan region, designed to alleviate congestion and complement the city’s suburban railway network.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Mumbai Metro Line 1 | 8 |
| Mumbai Metro canonical | 6 |
| Mumbai Metro Line 2A | 4 |
| Mumbai Metro Line 7 | 3 |
| Mumbai Metro Line 2B | 2 |
| Mumbai Metro Line 3 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T433021 — 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: Mumbai Metro Context triple: [Mumbai, hasRapidTransit, Mumbai Metro]
-
A.
Delhi Metro
Delhi Metro is a rapid transit system serving Delhi and its surrounding metropolitan region, known for its extensive network, modern infrastructure, and role in easing urban congestion.
-
B.
Mumbai Suburban Railway
The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
-
C.
Dubai Metro
The Dubai Metro is a fully automated, driverless urban rail network that serves as a major public transportation backbone across key areas of Dubai.
-
D.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
E.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
- 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: Mumbai Metro Target entity description: Mumbai Metro is a rapid transit system serving the Mumbai metropolitan region, designed to alleviate congestion and complement the city’s suburban railway network.
-
A.
Delhi Metro
Delhi Metro is a rapid transit system serving Delhi and its surrounding metropolitan region, known for its extensive network, modern infrastructure, and role in easing urban congestion.
-
B.
Mumbai Suburban Railway
The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
-
C.
Dubai Metro
The Dubai Metro is a fully automated, driverless urban rail network that serves as a major public transportation backbone across key areas of Dubai.
-
D.
Metro Line 3
Metro Line 3 is a major Mexico City Metro route that runs north–south across the city, connecting key residential and commercial areas including the Gustavo A. Madero borough.
-
E.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
metro line ⓘ metro line ⓘ metro system ⓘ public transport system ⓘ rapid transit system ⓘ |
| abbreviation | MMRDA Metro ⓘ |
| character |
elevated
ⓘ
underground ⓘ |
| cityServed | Mumbai ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead catenary ⓘ |
| fareSystem | distance-based fare ⓘ |
| hasLine |
Mumbai Metro
self-linksurface differs
ⓘ
surface form:
Mumbai Metro Line 1
Mumbai Metro self-linksurface differs ⓘ
surface form:
Mumbai Metro Line 2A
Mumbai Metro self-linksurface differs ⓘ
surface form:
Mumbai Metro Line 7
|
| hasRollingStock | electric multiple unit ⓘ |
| lineColor |
blue
ⓘ
red ⓘ yellow ⓘ |
| lineNumber |
1
ⓘ
2A ⓘ 7 ⓘ |
| locatedIn |
India
ⓘ
Maharashtra ⓘ Mumbai ⓘ |
| modeOfTransport | rail ⓘ |
| numberOfLines | 3 ⓘ |
| opened | 2014-06-08 ⓘ |
| operator |
Mumbai Metro One Private Limited
ⓘ
Mumbai Metropolitan Region Development Authority ⓘ |
| owner | Mumbai Metropolitan Region Development Authority ⓘ |
| planningAuthority | Mumbai Metropolitan Region Development Authority ⓘ |
| primaryGoal | reduce road traffic congestion in Mumbai ⓘ |
| purpose |
alleviate traffic congestion
ⓘ
complement Mumbai Suburban Railway ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| secondaryGoal | provide faster east–west connectivity in Mumbai ⓘ |
| serves |
Mumbai Metropolitan Region
ⓘ
surface form:
Mumbai metropolitan region
|
| systemLength | over 30 km ⓘ |
| terminus |
Andheri
ⓘ
surface form:
Andheri East
Andheri ⓘ
surface form:
Andheri West
Dahisar ⓘ
surface form:
Dahisar East
Dahisar ⓘ
surface form:
Dahisar East
Ghatkopar ⓘ Versova ⓘ |
| ticketing |
paper ticket
ⓘ
smart card ⓘ |
| trackGauge | standard gauge ⓘ |
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: Mumbai Metro Description of subject: Mumbai Metro is a rapid transit system serving the Mumbai metropolitan region, designed to alleviate congestion and complement the city’s suburban railway network.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mumbai Metro Line 1
this entity surface form:
Mumbai Metro Line 2A
this entity surface form:
Mumbai Metro Line 7
this entity surface form:
Mumbai Metro Line 1
this entity surface form:
Mumbai Metro Line 1
this entity surface form:
Mumbai Metro Line 1
this entity surface form:
Mumbai Metro Line 2B
this entity surface form:
Mumbai Metro Line 3