Triple
T8177150
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ITX-Saemaeul |
E190965
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Korail |
E190963
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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 | Statement: [ITX-Saemaeul, operator, Korail]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Korail Context triple: [ITX-Saemaeul, operator, Korail]
-
A.
Korail
chosen
Korail is South Korea's national railroad operator, managing the country's major passenger and freight rail services.
-
B.
KTX
KTX is South Korea’s high-speed rail service that connects major cities such as Seoul and Busan.
-
C.
Hanwa Line
The Hanwa Line is a major railway line in Japan’s Kansai region operated by JR West, connecting central Osaka with southern Osaka Prefecture and Wakayama.
-
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.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca82c1c0a08190bf8692b4d91a03ca |
elicitation | completed |
| NER | batch_69cb4aba0dd88190828080d0d89612eb |
ner | completed |
| NED1 | batch_69cd67b82424819082fdbfe9bf2a9839 |
ned_source_triple | completed |
Created at: March 30, 2026, 5:40 p.m.