Triple
T11685761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kyushu Railway Company |
E277737
|
entity |
| Predicate | operatesLine |
P15252
|
FINISHED |
| Object | Chikuhō Main Line |
E849324
|
NE FINISHED |
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: Chikuhō Main Line | Statement: [Kyushu Railway Company, operatesLine, Chikuhō Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chikuhō Main Line Context triple: [Kyushu Railway Company, operatesLine, Chikuhō Main Line]
-
A.
Chikuho Main Line
chosen
The Chikuho Main Line is a regional railway line in Fukuoka Prefecture, Japan, operated by JR Kyushu and known for connecting former coal-mining areas such as Iizuka with larger urban centers.
-
B.
Senmō Main Line
The Senmō Main Line is a rural railway line in eastern Hokkaido, Japan, known for its scenic route through sparsely populated landscapes and its operation by the Hokkaido Railway Company (JR Hokkaido).
-
C.
Uetsu Main Line
The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
-
D.
Sekihoku Main Line
The Sekihoku Main Line is a railway line in Hokkaido, Japan, connecting inland cities across the island’s mountainous interior and serving as an important regional transport route.
-
E.
Nagasaki Main Line
The Nagasaki Main Line is a major railway corridor in Kyushu, Japan, connecting key cities including Nagasaki and Fukuoka and now operated by JR Kyushu.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a463f6448190a4c8e1651a2bd905 |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a03f08ba3308190bf0c338969717e28 |
completed | May 13, 2026, 3:31 a.m. |
Created at: April 8, 2026, 9:40 p.m.