Triple
T19116969
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | AREX |
E467931
|
entity |
| Predicate | openedSection |
P28341
|
FINISHED |
| Object |
Seoul Station–Gimpo International Airport section
The Seoul Station–Gimpo International Airport section is the central urban stretch of South Korea’s AREX rail line, linking downtown Seoul with one of the capital’s main airports.
|
E1360380
|
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: Seoul Station–Gimpo International Airport section | Statement: [AREX, openedSection, Seoul Station–Gimpo International Airport section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seoul Station–Gimpo International Airport section Context triple: [AREX, openedSection, Seoul Station–Gimpo International Airport 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.
Suin–Bundang Line
The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
-
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.
Shinbundang Line
The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
-
E.
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.
- 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: Seoul Station–Gimpo International Airport section Triple: [AREX, openedSection, Seoul Station–Gimpo International Airport section]
Generated description
The Seoul Station–Gimpo International Airport section is the central urban stretch of South Korea’s AREX rail line, linking downtown Seoul with one of the capital’s main airports.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Seoul Station–Gimpo International Airport section Target entity description: The Seoul Station–Gimpo International Airport section is the central urban stretch of South Korea’s AREX rail line, linking downtown Seoul with one of the capital’s main airports.
-
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.
Suin–Bundang Line
The Suin–Bundang Line is a major commuter rail line in the Seoul metropolitan area that connects southeastern Seoul with surrounding cities such as Seongnam, Yongin, and Suwon.
-
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.
Shinbundang Line
The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
-
E.
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.
- 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_69d8dd06a26481908039e2a1bae8c597 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e399a6d8819090a9501ff1637b9d |
completed | April 20, 2026, 8:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a06f24617b08190bad4419dc19bfd48 |
completed | May 15, 2026, 10:15 a.m. |
| NEDg | Description generation | batch_6a06f2d21768819094b37ee2e63d4310 |
completed | May 15, 2026, 10:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a06f35bc9a48190bff63fc7970d3965 |
completed | May 15, 2026, 10:20 a.m. |
Created at: April 10, 2026, 12:05 p.m.