Triple
T19540604
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seoul Subway Line 3 |
E488887
|
entity |
| Predicate | openedSection |
P28341
|
FINISHED |
| Object |
Gupabal–Yangjae section
The Gupabal–Yangjae section is a major stretch of Seoul Subway Line 3 that connects northern and southern parts of the city through central Seoul.
|
E1393146
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Gupabal–Yangjae section | Statement: [Seoul Subway Line 3, openedSection, Gupabal–Yangjae section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gupabal–Yangjae section Context triple: [Seoul Subway Line 3, openedSection, Gupabal–Yangjae section]
-
A.
Pohang–Samcheok section
The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
-
B.
Jeongja–Gwanggyo section
The Jeongja–Gwanggyo section is a southern extension of Seoul’s Shinbundang Line that connects Jeongja Station in Bundang to the Gwanggyo area of Suwon, improving regional commuter rail access.
-
C.
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.
-
D.
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.
-
E.
Seohae Line
The Seohae Line is a commuter rail line in South Korea that serves the western Seoul metropolitan area, connecting cities such as Hwaseong with other parts of the region.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Gupabal–Yangjae section Triple: [Seoul Subway Line 3, openedSection, Gupabal–Yangjae section]
Generated description
The Gupabal–Yangjae section is a major stretch of Seoul Subway Line 3 that connects northern and southern parts of the city through central Seoul.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gupabal–Yangjae section Target entity description: The Gupabal–Yangjae section is a major stretch of Seoul Subway Line 3 that connects northern and southern parts of the city through central Seoul.
-
A.
Pohang–Samcheok section
The Pohang–Samcheok section is a coastal railway segment in South Korea connecting the cities of Pohang and Samcheok along the Donghae Line.
-
B.
Jeongja–Gwanggyo section
The Jeongja–Gwanggyo section is a southern extension of Seoul’s Shinbundang Line that connects Jeongja Station in Bundang to the Gwanggyo area of Suwon, improving regional commuter rail access.
-
C.
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.
-
D.
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.
-
E.
Seohae Line
The Seohae Line is a commuter rail line in South Korea that serves the western Seoul metropolitan area, connecting cities such as Hwaseong with other parts of the region.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d8e8db5b6c8190984b61f91981f575 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e63872fda48190bbb1f465cb7b57fe |
completed | April 20, 2026, 2:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a07b4db32ac8190a760689f1fccda35 |
completed | May 16, 2026, 12:05 a.m. |
| NEDg | Description generation | batch_6a07b597f42481908f242f66116f82f7 |
completed | May 16, 2026, 12:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a07b6c9fc8c8190825953f50935833e |
completed | May 16, 2026, 12:14 a.m. |
Created at: April 10, 2026, 1:41 p.m.