Triple
T19599048
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | AREX airport railroad |
E470419
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Airport Railroad Co., Ltd. |
—
|
NE NERFINISHED |
How this triple was built (2 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: Airport Railroad Co., Ltd. | Statement: [AREX airport railroad, operator, Airport Railroad Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Airport Railroad Co., Ltd. Context triple: [AREX airport railroad, operator, Airport Railroad Co., Ltd.]
-
A.
Airport Railroad Co., Ltd.
chosen
Airport Railroad Co., Ltd. is a South Korean rail company that operates the express and commuter train services linking central Seoul with Incheon International Airport and Gimpo International Airport.
-
B.
Nishi-Nippon Railroad
Nishi-Nippon Railroad is a major Japanese private railway and transportation company based in Fukuoka, operating rail lines, buses, and related services in the Kyushu region.
-
C.
Toho Air Service
Toho Air Service is a Japanese regional and charter airline known for operating small aircraft on domestic routes, including services to remote islands.
-
D.
Hankai Tramway Co.
Hankai Tramway Co. is a Japanese private railway company that operates historic streetcar and tram services in the Osaka and Sakai areas.
-
E.
Japan Airport Terminal Co., Ltd.
Japan Airport Terminal Co., Ltd. is a Japanese company that develops, manages, and operates passenger terminal buildings and related commercial facilities at major airports in Japan.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e510024481908415c0d616fa6186 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e6407d46188190b9818665b2a698a5 |
completed | April 20, 2026, 3:04 p.m. |
Created at: April 10, 2026, 1:43 p.m.