Triple
T8177101
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Korail |
E190963
|
entity |
| Predicate | operatesService |
P5884
|
FINISHED |
| Object |
ITX-Cheongchun
ITX-Cheongchun is a South Korean intercity express train service connecting Seoul with major regional cities, designed to offer faster and more comfortable travel for young and general passengers alike.
|
E720337
|
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: ITX-Cheongchun | Statement: [Korail, operatesService, ITX-Cheongchun]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ITX-Cheongchun Context triple: [Korail, operatesService, ITX-Cheongchun]
-
A.
ITX-Saemaeul
ITX-Saemaeul is a class of South Korean intercity express trains operated by Korail, offering faster and more comfortable service than conventional trains on major routes.
-
B.
KTX
KTX is South Korea’s high-speed rail service that connects major cities such as Seoul and Busan.
-
C.
Korail
Korail is South Korea's national railroad operator, managing the country's major passenger and freight rail services.
-
D.
Incheon Airport Railroad (AREX)
Incheon Airport Railroad (AREX) is a rail line in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport, providing fast airport rail service for travelers.
-
E.
Gyeongbu Expwy
Gyeongbu Expwy is South Korea’s primary expressway linking the capital Seoul with the southeastern port city of Busan, serving as a major backbone of the national highway network.
- 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: ITX-Cheongchun Triple: [Korail, operatesService, ITX-Cheongchun]
Generated description
ITX-Cheongchun is a South Korean intercity express train service connecting Seoul with major regional cities, designed to offer faster and more comfortable travel for young and general passengers alike.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ITX-Cheongchun Target entity description: ITX-Cheongchun is a South Korean intercity express train service connecting Seoul with major regional cities, designed to offer faster and more comfortable travel for young and general passengers alike.
-
A.
ITX-Saemaeul
ITX-Saemaeul is a class of South Korean intercity express trains operated by Korail, offering faster and more comfortable service than conventional trains on major routes.
-
B.
KTX
KTX is South Korea’s high-speed rail service that connects major cities such as Seoul and Busan.
-
C.
Korail
Korail is South Korea's national railroad operator, managing the country's major passenger and freight rail services.
-
D.
Incheon Airport Railroad (AREX)
Incheon Airport Railroad (AREX) is a rail line in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport, providing fast airport rail service for travelers.
-
E.
Gyeongbu Expwy
Gyeongbu Expwy is South Korea’s primary expressway linking the capital Seoul with the southeastern port city of Busan, serving as a major backbone of the national highway network.
- 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_69ca82c1c0a08190bf8692b4d91a03ca |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4aba0dd88190828080d0d89612eb |
completed | March 31, 2026, 4:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd347e2d2c81909b3c8d0f922e7c37 |
completed | April 1, 2026, 3:06 p.m. |
| NEDg | Description generation | batch_69cd36ef47e88190ae96ea2459552247 |
completed | April 1, 2026, 3:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd4e9d362481908283d58b03c7ef9b |
completed | April 1, 2026, 4:58 p.m. |
Created at: March 30, 2026, 5:40 p.m.