Triple
T14948465
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Chitose Airport Station |
E372728
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Hokkaido Railway Company |
E954031
|
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: Hokkaido Railway Company | Statement: [New Chitose Airport Station, operator, Hokkaido Railway Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hokkaido Railway Company Context triple: [New Chitose Airport Station, operator, Hokkaido Railway Company]
-
A.
Hokkaido Railway Company
chosen
Hokkaido Railway Company is a major Japanese railway operator that manages passenger rail services across Japan’s northernmost island of Hokkaido.
-
B.
Kyushu Railway Company
Kyushu Railway Company is a major Japanese railway operator, commonly known as JR Kyushu, that runs extensive passenger rail services across the Kyushu region.
-
C.
East Japan Railway Company
East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
-
D.
Shikoku Railway Company
Shikoku Railway Company is a regional Japanese rail operator that runs passenger train services across the island of Shikoku as part of the JR Group network.
-
E.
West Japan Railway Company
West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
- 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_69d85cca979481908747d2a81eba1cea |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded68fae3c81909873b113bfcaca05 |
completed | April 15, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff908410548190ada5d4f71d52919b |
completed | May 9, 2026, 7:52 p.m. |
Created at: April 10, 2026, 2:39 a.m.