Triple
T11718920
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keihan Electric Railway Co., Ltd. |
E278574
|
entity |
| Predicate | region |
P40
|
FINISHED |
| Object | Western Japan |
E69559
|
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: Western Japan | Statement: [Keihan Electric Railway Co., Ltd., region, Western Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Japan Context triple: [Keihan Electric Railway Co., Ltd., region, Western Japan]
-
A.
western Japan
chosen
Western Japan is the southwestern portion of Japan’s main islands, commonly including regions such as Kansai, Chūgoku, Shikoku, and Kyūshū, known for cities like Osaka, Hiroshima, and Fukuoka.
-
B.
East Japan
East Japan refers to the eastern region of Japan, commonly associated with the service area of East Japan Railway Company (JR East) and encompassing major areas such as the Kanto and Tohoku regions.
-
C.
Kansai region
The Kansai region is a major cultural and economic area of western Japan that includes cities such as Osaka, Kyoto, and Kobe and is known as a historic heartland of Japanese civilization.
-
D.
Honshu–Shikoku area
The Honshu–Shikoku area is a key region of Japan encompassing the strait and surrounding zones between the main islands of Honshu and Shikoku, linked by major bridge and transportation networks.
-
E.
Chūbu region
The Chūbu region is a central area of Japan on Honshu Island, known for encompassing the Japanese Alps and including major prefectures such as Aichi, Nagano, and Shizuoka.
- 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_69d6aaff2ce88190b4a1e4b341ad5377 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a4c26e4c8190ae30d906b4fd4221 |
completed | April 10, 2026, 7:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f1306859208190bc5d0b4f81fb1bff |
completed | April 28, 2026, 10:10 p.m. |
Created at: April 8, 2026, 9:40 p.m.