Pohang–Samcheok section
E727716
The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pohang–Samcheok section canonical | 1 |
| 포항–삼척 구간 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8082319 — 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: Pohang–Samcheok section Context triple: [Donghae Line, hasSection, Pohang–Samcheok section]
-
A.
Ulsan–Pohang section
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.
-
B.
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.
-
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.
Jungang Line
The Jungang Line is a major railway line in South Korea that runs across the country’s central region, linking Seoul with eastern inland cities.
- 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: Pohang–Samcheok section Target entity description: The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
-
A.
Ulsan–Pohang section
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.
-
B.
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.
-
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.
Jungang Line
The Jungang Line is a major railway line in South Korea that runs across the country’s central region, linking Seoul with eastern inland cities.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf | railway line section ⓘ |
| connects |
Pohang
ⓘ
Samcheok ⓘ |
| country | South Korea ⓘ |
| electrification | electrified in sections ⓘ |
| followsCoastOf |
Sea of Japan (East Sea)
ⓘ
linked to:
Sea of Japan
|
| gauge | 1,435 mm standard gauge ⓘ |
| languageOfOfficialName | Korean ⓘ |
| lineUsedBy |
freight trains
ⓘ
passenger trains ⓘ |
| locatedIn | East Coast of South Korea ⓘ |
| locatedInAdministrativeRegion |
Gangwon Province
ⓘ
North Gyeongsang Province ⓘ |
| locatedOnLine |
east coast rail network of South Korea
ⓘ
linked to:
east coast rail corridor of South Korea
|
| operator |
Korea Railroad Corporation
ⓘ
linked to:
한국철도공사
|
| owner |
Government of South Korea
ⓘ
linked to:
South Korean government
|
| partOf | Donghae Line ⓘ |
| partOfTransportCorridor |
Donghae coastal transport corridor
ⓘ
linked to:
Donghae coastal corridor
|
| passesNear |
beach tourist areas
ⓘ
coastal fishing villages ⓘ |
| passesThrough |
Uljin County
ⓘ
Yeongdeok County ⓘ |
| railwayType | coastal railway ⓘ |
| terminusA | Pohang ⓘ |
| terminusB | Samcheok ⓘ |
| usedFor |
freight logistics along east coast
ⓘ
regional passenger transport ⓘ |
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: Pohang–Samcheok section Description of subject: The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pohang–Samcheok section