Ulsan–Pohang section
E724939
The Ulsan–Pohang section is a coastal railway segment in South Korea connecting the cities of Ulsan and Pohang as part of the Donghae Line.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ulsan–Pohang section canonical | 1 |
| Ulsan–Pohang section of the Donghae Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8082318 — 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: Ulsan–Pohang section Context triple: [Donghae Line, hasSection, Ulsan–Pohang section]
-
A.
Busan–Ulsan section
The Busan–Ulsan section is a coastal railway segment in southeastern South Korea that connects the major port city of Busan with the industrial city of Ulsan.
-
B.
Daegu Line
The Daegu Line is a railway line in South Korea that serves the Daegu region, linking it with other major rail corridors in the country.
-
C.
Pyeongtaek–Jecheon Line
The Pyeongtaek–Jecheon Line is a major railway route in South Korea that connects the city of Pyeongtaek in Gyeonggi Province with Jecheon in North Chungcheong Province, serving both passenger and freight transport.
-
D.
Honam Line
The Honam Line is a major railway corridor in South Korea that connects the southwestern Honam region, including cities like Daejeon, Gwangju, and Mokpo, to the national rail network.
-
E.
Gwangju Line
The Gwangju Line is a railway line in South Korea that connects Gwangju with the national rail network, serving as an important regional transportation route.
- 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: Ulsan–Pohang section Target entity description: The Ulsan–Pohang section is a coastal railway segment in South Korea connecting the cities of Ulsan and Pohang as part of the Donghae Line.
-
A.
Busan–Ulsan section
The Busan–Ulsan section is a coastal railway segment in southeastern South Korea that connects the major port city of Busan with the industrial city of Ulsan.
-
B.
Daegu Line
The Daegu Line is a railway line in South Korea that serves the Daegu region, linking it with other major rail corridors in the country.
-
C.
Pyeongtaek–Jecheon Line
The Pyeongtaek–Jecheon Line is a major railway route in South Korea that connects the city of Pyeongtaek in Gyeonggi Province with Jecheon in North Chungcheong Province, serving both passenger and freight transport.
-
D.
Honam Line
The Honam Line is a major railway corridor in South Korea that connects the southwestern Honam region, including cities like Daejeon, Gwangju, and Mokpo, to the national rail network.
-
E.
Gwangju Line
The Gwangju Line is a railway line in South Korea that connects Gwangju with the national rail network, serving as an important regional transportation route.
- F. None of above. chosen
Statements (23)
| Predicate | Object |
|---|---|
| instanceOf | railway line section ⓘ |
| connects |
Pohang
ⓘ
Ulsan ⓘ |
| continent | Asia ⓘ |
| country | South Korea ⓘ |
| countryRailOperator |
Republic of Korea
ⓘ
linked to:
South Korea
|
| follows | east coast of South Korea ⓘ |
| hasLineCharacter | coastal ⓘ |
| isPartOfTransportCorridor | Donghae coastal corridor ⓘ |
| languageOfOfficialName | Korean ⓘ |
| locatedIn |
Pohang
ⓘ
Ulsan ⓘ |
| locatedInAdministrativeTerritory |
North Gyeongsang Province
ⓘ
Ulsan Metropolitan City ⓘ
linked to:
Ulsan
|
| locatedInBodyOfWaterVicinity |
Sea of Japan (East Sea)
ⓘ
linked to:
East Sea of Korea
|
| partOf | Donghae Line ⓘ |
| railwayLineName |
Ulsan–Pohang section of the Donghae Line
ⓘ
linked to:
Ulsan–Pohang section
|
| railwaySystem |
Korean railway network
ⓘ
linked to:
South Korean railway network
|
| routeEnd | Pohang ⓘ |
| routeStart | Ulsan ⓘ |
| trackGauge | standard gauge ⓘ |
| transportType | rail transport ⓘ |
| usesRailwayLine | Donghae Line ⓘ |
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: Ulsan–Pohang section Description of subject: The Ulsan–Pohang section is a coastal railway segment in South Korea connecting the cities of Ulsan and Pohang as part of the Donghae Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ulsan–Pohang section