Triple
T8363613
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | KTX |
E197067
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
KTX-Sancheon
KTX-Sancheon is a South Korean high-speed train model operated by Korail, known for its advanced technology and service on major intercity routes.
|
E197067
|
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: KTX-Sancheon | Statement: [KTX, rollingStock, KTX-Sancheon]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: KTX-Sancheon Context triple: [KTX, rollingStock, KTX-Sancheon]
-
A.
KTX
KTX is South Korea’s high-speed rail service that connects major cities such as Seoul and Busan.
-
B.
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.
-
C.
Saemaeul-ho express
Saemaeul-ho express was a long-distance passenger train service in South Korea that operated as one of the country’s primary intercity rail options before being succeeded by the ITX-Saemaeul.
-
D.
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.
-
E.
Korail
Korail is South Korea's national railroad operator, managing the country's major passenger and freight rail services.
- 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: KTX-Sancheon Triple: [KTX, rollingStock, KTX-Sancheon]
Generated description
KTX-Sancheon is a South Korean high-speed train model operated by Korail, known for its advanced technology and service on major intercity routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: KTX-Sancheon Target entity description: KTX-Sancheon is a South Korean high-speed train model operated by Korail, known for its advanced technology and service on major intercity routes.
-
A.
KTX
chosen
KTX is South Korea’s high-speed rail service that connects major cities such as Seoul and Busan.
-
B.
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.
-
C.
Saemaeul-ho express
Saemaeul-ho express was a long-distance passenger train service in South Korea that operated as one of the country’s primary intercity rail options before being succeeded by the ITX-Saemaeul.
-
D.
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.
-
E.
Korail
Korail is South Korea's national railroad operator, managing the country's major passenger and freight rail services.
- F. None of above.
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_69ca82f2dbe48190aba982e75a0d94de |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb80768b208190a5f6c9e6cb6e7f30 |
completed | March 31, 2026, 8:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce888975b081908af58968e43cdac9 |
completed | April 2, 2026, 3:17 p.m. |
| NEDg | Description generation | batch_69ce8a442b508190bd8319fda51edc4b |
completed | April 2, 2026, 3:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce8afff50c8190b2dd1a7e0a5a130b |
completed | April 2, 2026, 3:28 p.m. |
Created at: March 30, 2026, 6 p.m.