Zhengzhou Metro
E542007
Zhengzhou Metro is the rapid transit system serving the city of Zhengzhou, providing urban rail transportation across the capital of China’s Henan Province.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Zhengzhou Metro canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5695483 — 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: Zhengzhou Metro Context triple: [Zhengzhou, hasMetroSystem, Zhengzhou Metro]
-
A.
Shijiazhuang Metro
Shijiazhuang Metro is the rapid transit system serving the city of Shijiazhuang, providing urban rail transportation across the capital of Hebei Province in China.
-
B.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
C.
Hangzhou Metro
Hangzhou Metro is the rapid transit system serving the city of Hangzhou, China, providing urban and suburban rail transportation across the metropolitan area.
-
D.
Beijing MTR
Beijing MTR is a railway and metro operating company responsible for running several lines of the Beijing Subway in partnership with the city government.
-
E.
Guangfo Line
The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
- 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: Zhengzhou Metro Target entity description: Zhengzhou Metro is the rapid transit system serving the city of Zhengzhou, providing urban rail transportation across the capital of China’s Henan Province.
-
A.
Shijiazhuang Metro
Shijiazhuang Metro is the rapid transit system serving the city of Shijiazhuang, providing urban rail transportation across the capital of Hebei Province in China.
-
B.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
C.
Hangzhou Metro
Hangzhou Metro is the rapid transit system serving the city of Hangzhou, China, providing urban and suburban rail transportation across the metropolitan area.
-
D.
Beijing MTR
Beijing MTR is a railway and metro operating company responsible for running several lines of the Beijing Subway in partnership with the city government.
-
E.
Guangfo Line
The Guangfo Line is an intercity rapid transit route that connects the cities of Guangzhou and Foshan as part of the Guangzhou Metro system.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport network ⓘ rapid transit system ⓘ |
| beganConstruction | 2009 ⓘ |
| connectsWith |
Zhengzhou Bus system
NERFINISHED
ⓘ
Zhengzhou East railway station NERFINISHED ⓘ Zhengzhou railway station NERFINISHED ⓘ Zhengzhou–Xinzheng Airport intercity railway NERFINISHED ⓘ |
| country | China ⓘ |
| electrification | overhead line ⓘ |
| electrificationVoltage | 1500 V DC ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareSystem | distance-based fare ⓘ |
| firstLineOpened | Zhengzhou Metro Line 1 NERFINISHED ⓘ |
| hasDepot |
Gangli depot
NERFINISHED
ⓘ
Wenhua Road depot NERFINISHED ⓘ Xuchang Road depot NERFINISHED ⓘ |
| hasFeature |
accessibility features for disabled passengers
ⓘ
air-conditioned rolling stock ⓘ platform screen doors at most stations ⓘ |
| hasLine |
Zhengzhou Metro Line 1
NERFINISHED
ⓘ
Zhengzhou Metro Line 14 NERFINISHED ⓘ Zhengzhou Metro Line 2 NERFINISHED ⓘ Zhengzhou Metro Line 3 NERFINISHED ⓘ Zhengzhou Metro Line 4 NERFINISHED ⓘ Zhengzhou Metro Line 5 NERFINISHED ⓘ Zhengzhou Metro Line 6 NERFINISHED ⓘ |
| hasLoopLine | Zhengzhou Metro Line 5 NERFINISHED ⓘ |
| languageOfOfficialWebsite | Chinese ⓘ |
| locatedIn |
Henan Province
NERFINISHED
ⓘ
China ⓘ
surface form:
People's Republic of China
Zhengzhou NERFINISHED ⓘ |
| numberOfLines | 7 ⓘ |
| openingDate | 2013-12-28 ⓘ |
| operator | Zhengzhou Metro Group Co., Ltd. NERFINISHED ⓘ |
| owner | Zhengzhou Municipal Government NERFINISHED ⓘ |
| planningAuthority | National Development and Reform Commission of China NERFINISHED ⓘ |
| primaryFunction | urban mass transit ⓘ |
| regionServed | Central China NERFINISHED ⓘ |
| rollingStockType | Type B metro cars ⓘ |
| safetyIncident | 2021 Zhengzhou Metro flooding incident ⓘ |
| serves | Zhengzhou urban area ⓘ |
| servesAs | urban rail transit ⓘ |
| ticketMedia |
QR code ticket
ⓘ
rechargeable transit card ⓘ single-journey token ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | heavy rail ⓘ |
| website | https://www.zzmetro.com ⓘ |
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: Zhengzhou Metro Description of subject: Zhengzhou Metro is the rapid transit system serving the city of Zhengzhou, providing urban rail transportation across the capital of China’s Henan Province.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.