Line 18 (Shanghai Metro)
E845319
Line 18 of the Shanghai Metro is a newer rapid transit line in Shanghai designed to expand north–south connectivity and relieve congestion on existing routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 18 (Shanghai Metro) canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8517865 — 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: Line 18 (Shanghai Metro) Context triple: [Line 11 (Shanghai Metro), connectsWith, Line 18 (Shanghai Metro)]
-
A.
Shanghai Metro Line 10
Shanghai Metro Line 10 is a major east–west rapid transit line in Shanghai that serves key central districts, including the Former French Concession, and connects important commercial and residential areas across the city.
-
B.
Shanghai Metro Line 2
Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
-
C.
Shanghai Metro Line 11
Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
-
D.
Shanghai Metro Line 12
Shanghai Metro Line 12 is an important east–west rapid transit line in Shanghai’s metro network, connecting multiple central districts and providing extensive transfer options with many other lines.
-
E.
Shanghai Metro Line 8
Shanghai Metro Line 8 is a major north–south rapid transit line in Shanghai’s metro system that connects key commercial and residential districts, including the Nanjing Road area.
- 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: Line 18 (Shanghai Metro) Target entity description: Line 18 of the Shanghai Metro is a newer rapid transit line in Shanghai designed to expand north–south connectivity and relieve congestion on existing routes.
-
A.
Shanghai Metro Line 10
Shanghai Metro Line 10 is a major east–west rapid transit line in Shanghai that serves key central districts, including the Former French Concession, and connects important commercial and residential areas across the city.
-
B.
Shanghai Metro Line 2
Shanghai Metro Line 2 is a major east–west rapid transit line in Shanghai that connects key commercial, financial, and transport hubs including the city’s main shopping streets and both international airports.
-
C.
Shanghai Metro Line 11
Shanghai Metro Line 11 is a major rapid transit line in Shanghai that connects the city center with suburban areas including the Shanghai Disney Resort.
-
D.
Shanghai Metro Line 12
Shanghai Metro Line 12 is an important east–west rapid transit line in Shanghai’s metro network, connecting multiple central districts and providing extensive transfer options with many other lines.
-
E.
Shanghai Metro Line 8
Shanghai Metro Line 8 is a major north–south rapid transit line in Shanghai’s metro system that connects key commercial and residential districts, including the Nanjing Road area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Shanghai Metro line
ⓘ
rapid transit line ⓘ |
| accessibility | barrier-free access at most stations ⓘ |
| category | Shanghai Metro Line 18 ⓘ |
| cityServed | Shanghai ⓘ |
| country | China ⓘ |
| designedFor |
frequent service
ⓘ
high passenger capacity ⓘ |
| electrification | overhead line ⓘ |
| environmentalBenefit |
supports reduction of road traffic congestion
ⓘ
supports reduction of urban air pollution ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareMedium |
QR code mobile payment
ⓘ
contactless smart card ⓘ |
| farePolicy | distance-based fares ⓘ |
| fareSystem | Shanghai Metro unified fare system ⓘ |
| hasColorDesignation | light green (commonly used in maps) ⓘ |
| hasFeature |
air-conditioned trains
ⓘ
electronic passenger information displays ⓘ platform screen doors at most stations ⓘ security screening at station entrances ⓘ |
| hasRollingStockType | Shanghai Metro Type A trains ⓘ |
| infrastructureType | mostly underground metro line ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| lineNumber | 18 ⓘ |
| locatedIn | Shanghai ⓘ |
| networkRole | north–south trunk corridor in Shanghai Metro network ⓘ |
| operator | Shanghai Shentong Metro Group ⓘ |
| ownedBy |
Shanghai municipal government
ⓘ
linked to:
Shanghai Municipal People’s Government
|
| partOf |
Shanghai urban public transport system
ⓘ
linked to:
Shanghai urban public transport network
|
| primaryOrientation | north–south ⓘ |
| publicTransportNetwork | Shanghai urban rail transit network ⓘ |
| purpose |
expand north–south connectivity in Shanghai
ⓘ
relieve congestion on existing Shanghai Metro routes ⓘ |
| regionServed |
Shanghai urban area
ⓘ
linked to:
Shanghai
|
| safetyFeature | CCTV surveillance in trains and stations ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ centralized traffic control ⓘ |
| status | operational ⓘ |
| system | Shanghai Metro ⓘ |
| ticketing |
Shanghai public transport card accepted
ⓘ
single-journey tickets accepted ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | heavy rail ⓘ |
| transportMode | rail ⓘ |
| urbanRailFunction | mass 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: Line 18 (Shanghai Metro) Description of subject: Line 18 of the Shanghai Metro is a newer rapid transit line in Shanghai designed to expand north–south connectivity and relieve congestion on existing routes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.