Tianjin Metro Line Z25
E689706
Tianjin Metro Line Z25 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tianjin Metro Line Z25 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7119485 — 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 Z25 Context triple: [Tianjin Metro, hasLine, Tianjin Metro Line Z25]
-
A.
Tianjin Metro Line Z21
Tianjin Metro Line Z21 is a planned rapid transit line intended to expand and improve urban rail connectivity within Tianjin, China.
-
B.
Tianjin Metro Line Z23
Tianjin Metro Line Z23 is a planned rapid transit line intended to expand and improve urban rail connectivity within the Tianjin metropolitan area in China.
-
C.
Tianjin Metro Line Z22
Tianjin Metro Line Z22 is a planned rapid transit line intended to expand and improve urban rail connectivity within the Tianjin metropolitan area in China.
-
D.
Tianjin Metro Line Z24
Tianjin Metro Line Z24 is a planned rapid transit line intended to expand and improve urban rail connectivity within Tianjin, China.
-
E.
Tianjin Metro Line Z20
Tianjin Metro Line Z20 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 Z25 Target entity description: Tianjin Metro Line Z25 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
-
A.
Tianjin Metro Line Z21
Tianjin Metro Line Z21 is a planned rapid transit line intended to expand and improve urban rail connectivity within Tianjin, China.
-
B.
Tianjin Metro Line Z23
Tianjin Metro Line Z23 is a planned rapid transit line intended to expand and improve urban rail connectivity within the Tianjin metropolitan area in China.
-
C.
Tianjin Metro Line Z22
Tianjin Metro Line Z22 is a planned rapid transit line intended to expand and improve urban rail connectivity within the Tianjin metropolitan area in China.
-
D.
Tianjin Metro Line Z24
Tianjin Metro Line Z24 is a planned rapid transit line intended to expand and improve urban rail connectivity within Tianjin, China.
-
E.
Tianjin Metro Line Z20
Tianjin Metro Line Z20 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 (24)
| Predicate | Object |
|---|---|
| instanceOf |
planned metro line
ⓘ
urban rail transit project ⓘ |
| city | Tianjin NERFINISHED ⓘ |
| country | China ⓘ |
| electrification | electric traction (assumed, not officially confirmed) ⓘ |
| infrastructureType | railway line ⓘ |
| lineDesignation | Z25 NERFINISHED ⓘ |
| locatedIn |
China
ⓘ
Tianjin NERFINISHED ⓘ |
| network | Tianjin urban rail network NERFINISHED ⓘ |
| notableCharacteristic | designed to enhance regional connectivity in Tianjin ⓘ |
| operator | Tianjin Metro operator (planned) ⓘ |
| partOf | Tianjin Metro NERFINISHED ⓘ |
| plannedIn | 21st century ⓘ |
| projectPhase | planning stage ⓘ |
| purpose |
expand Tianjin urban rail network
ⓘ
improve regional connectivity ⓘ |
| railGauge | standard gauge (assumed, not officially confirmed) ⓘ |
| regionServed | Tianjin metropolitan area NERFINISHED ⓘ |
| serviceType | urban passenger transport ⓘ |
| status | planned ⓘ |
| system | Tianjin Metro system NERFINISHED ⓘ |
| transportMode |
metro
ⓘ
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 Z25 Description of subject: Tianjin Metro Line Z25 is a planned rapid transit line in Tianjin, China, intended to expand the city’s urban rail network and improve regional connectivity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.