Line 4B
E222304
Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 4B canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1938855 — 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 4B Context triple: [Ho Chi Minh City Metro, plannedLines, Line 4B]
-
A.
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.
-
B.
Line 3B
Line 3B is a planned rapid transit route of the Ho Chi Minh City Metro intended to expand urban rail connectivity in Vietnam’s largest city.
-
C.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
D.
Line 3A
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.
-
E.
Metro Line 54
Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
- 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 4B Target entity description: Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
-
A.
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.
-
B.
Line 3B
Line 3B is a planned rapid transit route of the Ho Chi Minh City Metro intended to expand urban rail connectivity in Vietnam’s largest city.
-
C.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
D.
Line 3A
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.
-
E.
Metro Line 54
Metro Line 54 is a rapid transit line in the Amsterdam Metro system that connects the city center with southeastern suburbs such as Bijlmermeer.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
planned transport infrastructure project ⓘ rapid transit line ⓘ |
| city |
Ho Chi Minh City
ⓘ
linked to:
Saigon
|
| country |
Vietnam
ⓘ
linked to:
Viet Nam
|
| designation | Line 4B ⓘ |
| hasFunction | urban rail connectivity expansion ⓘ |
| hasSubType | metro branch line ⓘ |
| infrastructureType | mass transit ⓘ |
| isPartOfLine |
Line 4 (Ho Chi Minh City Metro)
ⓘ
linked to:
Ho Chi Minh City Metro Line 4
|
| locatedIn |
Ho Chi Minh City
ⓘ
linked to:
Saigon
Vietnam ⓘ
linked to:
Viet Nam
|
| modeOfTransport | rail ⓘ |
| network |
Ho Chi Minh City Metro network
ⓘ
linked to:
Ho Chi Minh City Metro
|
| partOf | Ho Chi Minh City Metro ⓘ |
| plannedBy |
authorities of Ho Chi Minh City
ⓘ
linked to:
Ho Chi Minh City People’s Committee
|
| publicTransportType | metro ⓘ |
| purpose |
improve public transportation in Ho Chi Minh City
ⓘ
reduce traffic congestion in Ho Chi Minh City ⓘ |
| regionServed |
Southern Vietnam
ⓘ
linked to:
southern Vietnam
|
| serves | urban areas of Ho Chi Minh City ⓘ |
| status | planned ⓘ |
| systemType | rapid transit ⓘ |
| transportSystem |
Ho Chi Minh City urban rail system
ⓘ
linked to:
Ho Chi Minh City Metro
|
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 4B Description of subject: Line 4B is a planned rapid transit line of the Ho Chi Minh City Metro intended to expand urban rail connectivity within Vietnam’s largest city.
Referenced by (2)
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:
Line 4B