Daejeon Metro
E156610
Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Daejeon Metro Line 1 | 4 |
| Daejeon Metro canonical | 2 |
| Daejeon Metro Line 1 (nearby stations serving the district) | 1 |
| Daejeon Metropolitan Express Transit Corporation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1322543 — 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: Daejeon Metro Context triple: [Daejeon, hasMetroSystem, Daejeon Metro]
-
A.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
B.
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.
-
C.
Incheon Subway
Incheon Subway is the urban rapid transit system serving the city of Incheon, South Korea, connecting major districts and linking with the Seoul Metropolitan Subway network.
-
D.
Seoul Metropolitan Subway
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.
-
E.
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.
- 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: Daejeon Metro Target entity description: Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
-
A.
Daegu Metro
Daegu Metro is the urban rapid transit system serving the city of Daegu in South Korea, providing high-capacity rail transportation across the metropolitan area.
-
B.
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.
-
C.
Incheon Subway
Incheon Subway is the urban rapid transit system serving the city of Incheon, South Korea, connecting major districts and linking with the Seoul Metropolitan Subway network.
-
D.
Seoul Metropolitan Subway
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.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
public transport system ⓘ rapid transit system ⓘ |
| beganOperation | 2006 ⓘ |
| character |
elevated
ⓘ
underground ⓘ |
| connectsDistrict |
Dong-gu
ⓘ
Jung-gu ⓘ Seo-gu ⓘ Yuseong-gu ⓘ |
| connectsWith |
Daejeon Station
ⓘ
Korail network ⓘ |
| country | South Korea ⓘ |
| electrification | 1500 V DC overhead line ⓘ |
| fareSystem | distance-based fare ⓘ |
| hasColor | green ⓘ |
| hasDailyRidership | tens of thousands of passengers ⓘ |
| hasFareMedium |
rechargeable transit card
ⓘ
single-journey ticket ⓘ |
| hasHeadquartersLocation | Daejeon ⓘ |
| hasLine |
Daejeon Metro
self-linksurface differs
ⓘ
surface form:
Daejeon Metro Line 1
|
| hasRollingStockType | electric multiple unit ⓘ |
| hasRouteOrientation | east–west ⓘ |
| hasWebsite | https://www.djet.co.kr ⓘ |
| isPartOf | urban rail transit in South Korea ⓘ |
| languageOfSignage |
English
ⓘ
Korean ⓘ |
| locatedIn |
Daejeon
ⓘ
South Korea ⓘ |
| numberOfLines | 1 ⓘ |
| numberOfStations | 22 ⓘ |
| openingDate | 2006-03-16 ⓘ |
| operator |
Daejeon Metro
self-linksurface differs
ⓘ
surface form:
Daejeon Metropolitan Express Transit Corporation
|
| ownedBy |
Daejeon
ⓘ
surface form:
Daejeon Metropolitan City
|
| regionServed |
Daejeon
ⓘ
surface form:
Daejeon metropolitan area
|
| safetyFeature | platform screen doors at most stations ⓘ |
| safetyRecord | no major fatal accidents reported in early years of operation ⓘ |
| safetySystem |
automatic train control
ⓘ
automatic train protection ⓘ |
| serves | Daejeon ⓘ |
| systemLength | 22.6 kilometres ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | heavy rail metro ⓘ |
| usesTicketingSystem |
T-money card
ⓘ
surface form:
Hanaro Card
T-money card ⓘ
surface form:
T-money
contactless smart card ⓘ |
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: Daejeon Metro Description of subject: Daejeon Metro is the urban rapid transit system serving the city of Daejeon in South Korea.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Daejeon Metro Line 1
this entity surface form:
Daejeon Metro Line 1
this entity surface form:
Daejeon Metropolitan Express Transit Corporation
this entity surface form:
Daejeon Metro Line 1
subject surface form:
Jung-gu, Daejeon
this entity surface form:
Daejeon Metro Line 1
this entity surface form:
Daejeon Metro Line 1 (nearby stations serving the district)