Seoul Metropolitan Subway

E105452

metro system public transportation network rapid transit system

The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
Seoul Metropolitan Subway canonical	13
Seoul Metro	2
Seoul Metropolitan Subway Line 1	1
Seoul Metropolitan Subway connection	1
Seoul Metropolitan Subway network (connected)	1
Seoul Subway Line 1	1
Seoul Subway Line 5	1
Seoul metropolitan area rail network	1

How this entity was disambiguated

This entity first appeared as the object of triple T889584 — 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: Seoul Metropolitan Subway
Context triple: [Seoul, hasSubwaySystem, Seoul Metropolitan Subway]

A. Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
B. Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
C. Busan Station
Busan Station is a major railway hub in Busan, South Korea, serving high-speed KTX trains and regional services as one of the country’s key transportation centers.
D. Shanghai Metro
Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
E. Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
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: Seoul Metropolitan Subway
Target entity description: The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.

A. Busan Metro
Busan Metro is the rapid transit system serving the city of Busan, South Korea, providing extensive urban and suburban rail transportation across the metropolitan area.
B. Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
C. Busan Station
Busan Station is a major railway hub in Busan, South Korea, serving high-speed KTX trains and regional services as one of the country’s key transportation centers.
D. Shanghai Metro
Shanghai Metro is one of the world’s largest and busiest rapid transit systems, serving the city of Shanghai with an extensive network of urban and suburban rail lines.
E. Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
F. None of above. chosen

Statements (64)

Predicate	Object
instanceOf	metro system ⓘ public transportation network ⓘ rapid transit system ⓘ
characteristic	cleanliness ⓘ high frequency service ⓘ high punctuality ⓘ technological sophistication ⓘ
connectsTo	Gimpo International Airport ⓘ Incheon International Airport ⓘ Seoul Station ⓘ major bus terminals in Seoul ⓘ
country	South Korea ⓘ
dailyRidership	millions of passengers ⓘ
fareMedium	Cashbee card ⓘ T-money card ⓘ
hasFeature	Wi-Fi service on trains and in stations ⓘ air-conditioned trains ⓘ designated women-only cars during late hours on some lines ⓘ platform screen doors on many platforms ⓘ priority seating ⓘ real-time train information displays ⓘ screen doors at most stations ⓘ
hasPart	AREX ⓘ EverLine ⓘ Gyeongchun Line ⓘ Gyeongui–Jungang Line ⓘ Incheon Subway Line 1 ⓘ linked to: Incheon Subway Incheon Subway Line 2 ⓘ linked to: Incheon Subway Line 1 ⓘ Line 2 ⓘ Line 3 ⓘ Line 4 ⓘ Line 5 ⓘ Line 6 ⓘ Line 7 ⓘ Line 8 ⓘ Line 9 ⓘ Shinbundang Line ⓘ Suin–Bundang Line ⓘ U Line ⓘ Ui LRT ⓘ
hasPolicy	free transfers between many lines and buses within time limits ⓘ
inception	1974 ⓘ
languageOfSignage	Chinese ⓘ English ⓘ Japanese ⓘ Korean ⓘ
numberOfLines	20+ ⓘ
numberOfStations	600+ ⓘ
openingDate	1974-08-15 ⓘ
operator	Gyeonggi Railroad Co., Ltd. ⓘ Incheon Transit Corporation ⓘ linked to: Incheon Subway Korail ⓘ Seoul Metro ⓘ linked to: Seoul Metropolitan Subway
rankedAmong	busiest metro systems in the world ⓘ
safetyFeature	CCTV surveillance in stations and trains ⓘ emergency call devices on platforms ⓘ
serves	Gyeonggi Province ⓘ Incheon ⓘ Seoul ⓘ Seoul Capital Area ⓘ
systemLength	approximately 940 km ⓘ
ticketingSystem	integrated with buses in the Seoul metropolitan area ⓘ
uses	contactless smart card fare system ⓘ

How these facts were elicited