Tianjin Metro Line Z15
E685538
Tianjin Metro Line Z15 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tianjin Metro Line Z15 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7119475 — 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: Tianjin Metro Line Z15 Context triple: [Tianjin Metro, hasLine, Tianjin Metro Line Z15]
-
A.
Tianjin Metro Line Z1
Tianjin Metro Line Z1 is a planned rapid transit line intended to expand and improve urban rail connectivity within the city of Tianjin, China.
-
B.
Tianjin Metro Line Z11
Tianjin Metro Line Z11 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
-
C.
Tianjin Metro Line Z10
Tianjin Metro Line Z10 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
-
D.
Tianjin Metro Line Z13
Tianjin Metro Line Z13 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
-
E.
Tianjin Metro Line Z5
Tianjin Metro Line Z5 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
- 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: Tianjin Metro Line Z15 Target entity description: Tianjin Metro Line Z15 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
-
A.
Tianjin Metro Line Z1
Tianjin Metro Line Z1 is a planned rapid transit line intended to expand and improve urban rail connectivity within the city of Tianjin, China.
-
B.
Tianjin Metro Line Z11
Tianjin Metro Line Z11 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
-
C.
Tianjin Metro Line Z10
Tianjin Metro Line Z10 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
-
D.
Tianjin Metro Line Z13
Tianjin Metro Line Z13 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
-
E.
Tianjin Metro Line Z5
Tianjin Metro Line Z5 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
- F. None of above. chosen
Statements (23)
| Predicate | Object |
|---|---|
| instanceOf | planned metro line ⓘ |
| city | Tianjin ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| developmentPhase | planning ⓘ |
| infrastructureType | metro line ⓘ |
| intendedFunction |
cross-district passenger transport
ⓘ
mass transit corridor ⓘ |
| lineDesignation | Z15 ⓘ |
| locatedIn |
China
ⓘ
Tianjin ⓘ |
| modeOfTransport | rail ⓘ |
| networkRole | urban rail network expansion ⓘ |
| operator |
Tianjin Metro (planned)
ⓘ
linked to:
Tianjin Metro
|
| partOf | Tianjin Metro ⓘ |
| plannedUse | public transportation ⓘ |
| purpose |
expand Tianjin’s urban rail network
ⓘ
improve cross-district connectivity in Tianjin ⓘ |
| regionServed | municipality of Tianjin ⓘ |
| serviceArea | multiple districts of Tianjin ⓘ |
| status | planned ⓘ |
| system |
Tianjin urban rail transit system
ⓘ
linked to:
Tianjin Metro
|
| transportationType | rapid transit ⓘ |
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: Tianjin Metro Line Z15 Description of subject: Tianjin Metro Line Z15 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve cross-district connectivity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.