Line 3A
E216893
Line 3A is a planned rapid transit route of the Ho Chi Minh City Metro intended to serve as part of the city’s future urban rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 3A canonical | 2 |
| Ho Chi Minh City Metro Line 3A | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1938852 — 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: Line 3A Context triple: [Ho Chi Minh City Metro, plannedLines, Line 3A]
-
A.
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.
-
B.
Line 4A
Line 4A is a short branch line of the Santiago Metro in Chile that connects parts of southeastern Santiago to the main Line 4 corridor.
-
C.
MRT Line 3
MRT Line 3 is a major elevated rapid transit line in Metro Manila that runs along EDSA, serving as one of the region’s primary commuter rail corridors.
-
D.
Line 3 Scarborough
Line 3 Scarborough was a former light metro line of the Toronto subway system that served the Scarborough district in Toronto, Ontario, Canada.
-
E.
Guangzhou Metro Line 3
Guangzhou Metro Line 3 is a major rapid transit line in Guangzhou, China, known for its high passenger volume and for linking key urban areas with the city's international airport.
- 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: Line 3A Target entity description: Line 3A is a planned rapid transit route of the Ho Chi Minh City Metro intended to serve as part of the city’s future urban rail network.
-
A.
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.
-
B.
Line 4A
Line 4A is a short branch line of the Santiago Metro in Chile that connects parts of southeastern Santiago to the main Line 4 corridor.
-
C.
MRT Line 3
MRT Line 3 is a major elevated rapid transit line in Metro Manila that runs along EDSA, serving as one of the region’s primary commuter rail corridors.
-
D.
Line 3 Scarborough
Line 3 Scarborough was a former light metro line of the Toronto subway system that served the Scarborough district in Toronto, Ontario, Canada.
-
E.
Guangzhou Metro Line 3
Guangzhou Metro Line 3 is a major rapid transit line in Guangzhou, China, known for its high passenger volume and for linking key urban areas with the city's international airport.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
planned railway line
ⓘ
rapid transit line ⓘ |
| country |
Vietnam
ⓘ
linked to:
Viet Nam
|
| electrification | electric traction (planned) ⓘ |
| goal |
improve public transport capacity in Ho Chi Minh City
ⓘ
reduce road congestion in Ho Chi Minh City ⓘ |
| hasPlannedRole | mass transit corridor in Ho Chi Minh City ⓘ |
| infrastructureType | metro line ⓘ |
| locatedIn |
Ho Chi Minh City
ⓘ
linked to:
Saigon
Vietnam ⓘ
linked to:
Viet Nam
|
| modeOfTransport | rail ⓘ |
| network |
Ho Chi Minh City urban rail network
ⓘ
linked to:
Ho Chi Minh City urban rail development plan
|
| operator | Ho Chi Minh City urban railway authority ⓘ |
| partOf | Ho Chi Minh City Metro ⓘ |
| partOfProject | Ho Chi Minh City urban rail development plan ⓘ |
| plannedAs | part of future urban rail network of Ho Chi Minh City ⓘ |
| plannedIntegrationWith | other Ho Chi Minh City Metro lines ⓘ |
| purpose | urban rail transport ⓘ |
| railGauge | standard gauge (planned) ⓘ |
| regionServed | Ho Chi Minh City metropolitan area ⓘ |
| serves |
Ho Chi Minh City urban area
ⓘ
linked to:
Ho Chi Minh City metropolitan area
|
| status | planned ⓘ |
| system | Ho Chi Minh City Metro ⓘ |
| transitType | rapid transit ⓘ |
| transportCategory | public transport ⓘ |
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: Line 3A Description of subject: Line 3A is a planned rapid transit route of the Ho Chi Minh City Metro intended to serve as part of the city’s future urban rail network.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Ho Chi Minh City Metro (under construction)
subject linked to:
Ben Thanh Station (metro hub)
linked to: Line 3A