Triple
T19734381
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gyeongui–Jungang Line |
E473938
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Korail Class 321000 EMU
The Korail Class 321000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
|
E1392204
|
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: Korail Class 321000 EMU | Statement: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 321000 EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Korail Class 321000 EMU Context triple: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 321000 EMU]
-
A.
Korail Class 341000 trains
Korail Class 341000 trains are electric multiple units operated by Korail on Seoul’s metropolitan rail network, designed for high-capacity urban commuter service.
-
B.
KTX-Eum
KTX-Eum is a South Korean high-speed electric multiple unit train operated by Korail, designed for intercity services on the country’s high-speed rail network.
-
C.
Class 313 EMU
The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
-
D.
321 series EMU
The 321 series EMU is a Japanese electric multiple unit train type operated by JR West for commuter services in the Kansai region.
-
E.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
- 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: Korail Class 321000 EMU Triple: [Gyeongui–Jungang Line, hasRollingStock, Korail Class 321000 EMU]
Generated description
The Korail Class 321000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Korail Class 321000 EMU Target entity description: The Korail Class 321000 EMU is a series of electric multiple unit commuter trains operated by Korail for metropolitan rail services in the Seoul area.
-
A.
Korail Class 341000 trains
Korail Class 341000 trains are electric multiple units operated by Korail on Seoul’s metropolitan rail network, designed for high-capacity urban commuter service.
-
B.
KTX-Eum
KTX-Eum is a South Korean high-speed electric multiple unit train operated by Korail, designed for intercity services on the country’s high-speed rail network.
-
C.
Class 313 EMU
The Class 313 EMU is a British dual-voltage electric multiple unit train introduced in the 1970s, notable for being among the first of its kind to operate on both overhead and third-rail power systems.
-
D.
321 series EMU
The 321 series EMU is a Japanese electric multiple unit train type operated by JR West for commuter services in the Kansai region.
-
E.
Class 455 EMU
The Class 455 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban commuter services in the South East of England.
- 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_69d8e517ebd48190979ee76723bcfadf |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6515b4d308190af3be1787fa7c65b |
completed | April 20, 2026, 4:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a07b4f70bd08190b3df6e94404c23ff |
completed | May 16, 2026, 12:06 a.m. |
| NEDg | Description generation | batch_6a07b5c7a0348190b06f5300c89f0548 |
completed | May 16, 2026, 12:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a07b655722c8190be1b30d1e276c580 |
completed | May 16, 2026, 12:12 a.m. |
Created at: April 10, 2026, 1:47 p.m.