Tianjin Metro Line Z7
E672927
Tianjin Metro Line Z7 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 Z7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7119467 — 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 Z7 Context triple: [Tianjin Metro, hasLine, Tianjin Metro Line Z7]
-
A.
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.
-
B.
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.
-
C.
Tianjin Metro Line Z6
Tianjin Metro Line Z6 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 M7
Tianjin Metro Line M7 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 10
Tianjin Metro Line 10 is a rapid transit line in Tianjin, China, forming part of the city’s urban subway network and serving key residential and commercial areas along its route.
- 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 Z7 Target entity description: Tianjin Metro Line Z7 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 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.
-
B.
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.
-
C.
Tianjin Metro Line Z6
Tianjin Metro Line Z6 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 M7
Tianjin Metro Line M7 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 10
Tianjin Metro Line 10 is a rapid transit line in Tianjin, China, forming part of the city’s urban subway network and serving key residential and commercial areas along its route.
- F. None of above. chosen
Statements (21)
| Predicate | Object |
|---|---|
| instanceOf |
planned metro line
ⓘ
urban rail transit project ⓘ |
| city | Tianjin ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| hasLanguageOfOfficialName | Chinese ⓘ |
| infrastructureType | railway line ⓘ |
| lineDesignation | Z7 ⓘ |
| locatedIn |
China
ⓘ
Tianjin ⓘ |
| network |
Tianjin urban rail transit network
ⓘ
linked to:
Tianjin Metro
|
| partOf | Tianjin Metro ⓘ |
| plannedBy |
Tianjin municipal authorities
ⓘ
linked to:
Tianjin Municipal People’s Government
|
| publicTransportType | urban rail transit ⓘ |
| purpose |
expand Tianjin urban rail network
ⓘ
improve cross-district connectivity ⓘ |
| regionServed | urban area of Tianjin ⓘ |
| serviceType | passenger transport ⓘ |
| status | planned ⓘ |
| systemType | metro ⓘ |
| transportMode | 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 Z7 Description of subject: Tianjin Metro Line Z7 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.