Changzhou Metro
E289357
Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Changzhou Metro canonical | 2 |
| Changzhou Metro Group Co., Ltd. | 1 |
| Changzhou Metro Line 1 | 1 |
| Changzhou Metro Line 2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2710750 — 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: Changzhou Metro Context triple: [Changzhou, hasMetro, Changzhou Metro]
-
A.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
-
B.
Hefei Metro
Hefei Metro is the rapid transit system serving Hefei, the capital city of China’s Anhui Province, providing urban rail transportation across the metropolitan area.
-
C.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
D.
Chongqing Metro
Chongqing Metro is the rapid transit system serving the mountainous megacity of Chongqing, China, known for its extensive use of straddle-beam monorail lines and dramatic elevated tracks.
-
E.
Pujiang Line
The Pujiang Line is an automated, medium-capacity metro line serving the Pujiang area in Shanghai as part of the Shanghai 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: Changzhou Metro Target entity description: Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
-
A.
Nanjing Metro
Nanjing Metro is the rapid transit system serving the city of Nanjing, China, comprising multiple urban and suburban lines that form a major part of the city's public transportation network.
-
B.
Hefei Metro
Hefei Metro is the rapid transit system serving Hefei, the capital city of China’s Anhui Province, providing urban rail transportation across the metropolitan area.
-
C.
Wuhan Metro
Wuhan Metro is the rapid transit system serving the city of Wuhan, China, providing urban rail transportation across its major districts.
-
D.
Chongqing Metro
Chongqing Metro is the rapid transit system serving the mountainous megacity of Chongqing, China, known for its extensive use of straddle-beam monorail lines and dramatic elevated tracks.
-
E.
Pujiang Line
The Pujiang Line is an automated, medium-capacity metro line serving the Pujiang area in Shanghai as part of the Shanghai Metro system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
metro line ⓘ metro system ⓘ public transport system ⓘ rapid transit system ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| electrification | overhead line ⓘ |
| fareMedium | Changzhou public transport card ⓘ |
| hasFareSystem | distance-based fare ⓘ |
| hasFeature |
CCTV surveillance
ⓘ
accessibility for disabled passengers ⓘ air-conditioned trains ⓘ automatic fare collection ⓘ platform screen doors ⓘ transfer to city buses ⓘ |
| hasHeadquartersLocation | Changzhou ⓘ |
| hasLine |
Changzhou Metro Line 1
ⓘ
linked to:
Changzhou Metro
Changzhou Metro Line 2 ⓘ
linked to:
Changzhou Metro
|
| hasOwner | Changzhou municipal government ⓘ |
| hasPrimaryEnergySource | electricity ⓘ |
| hasRollingStockType | Type B metro trains ⓘ |
| hasRouteType |
elevated
ⓘ
underground ⓘ |
| hasSafetySystem | train control and signaling system ⓘ |
| hasSystemLength | approximately 54 km ⓘ |
| hasTicketingMethod |
contactless smart card
ⓘ
single-journey token ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| isPartOf | public transport in Changzhou ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| locatedIn | Changzhou ⓘ |
| locatedInAdministrativeTerritory |
Jiangsu Province
ⓘ
linked to:
Jiangsu
|
| locatedInTimeZone | China Standard Time ⓘ |
| modeOfTransport | rail ⓘ |
| networkType | urban rail transit ⓘ |
| numberOfLines | 2 ⓘ |
| operator |
Changzhou Metro Group Co., Ltd.
ⓘ
linked to:
Changzhou Metro
|
| partOf | Changzhou Metro ⓘ |
| serves |
Changzhou urban area
ⓘ
Tianning District ⓘ Wujin District ⓘ Xinbei District ⓘ Zhonglou District ⓘ |
| uses | Chinese yuan ⓘ |
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: Changzhou Metro Description of subject: Changzhou Metro is the urban rapid transit system serving the city of Changzhou in Jiangsu Province, China.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Changzhou Metro
linked to: Changzhou Metro
linked to: Changzhou Metro
subject linked to:
Changzhou Metro