Triple
T14580815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Series E6 Shinkansen |
E342185
|
entity |
| Predicate | region |
P40
|
FINISHED |
| Object | Tohoku region of Japan |
E104634
|
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: Tohoku region of Japan | Statement: [Series E6 Shinkansen, region, Tohoku region of Japan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tohoku region of Japan Context triple: [Series E6 Shinkansen, region, Tohoku region of Japan]
-
A.
Tohoku
chosen
Tohoku is the northeastern region of Japan’s main island, known for its rural landscapes, harsh winters, and rich traditional culture.
-
B.
Keihin-Tōhoku
Keihin-Tōhoku is a major commuter rail service in the Greater Tokyo area of Japan, operated by JR East and running north–south through Tokyo, Saitama, and Kanagawa Prefectures.
-
C.
Yamato region
The Yamato region is the early political and cultural heartland of Japan, where the first unified Japanese state emerged under the Yamato court.
-
D.
Chubu region of Japan
The Chubu region of Japan is a central area on Japan’s main island of Honshu, encompassing diverse landscapes from the Japanese Alps to coastal plains and including major cities such as Nagoya.
-
E.
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.
- 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_69d822ddc0f081909cd8163c7de298cd |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb41e71748190a1deacc819dd26d3 |
completed | April 14, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe24a2fc048190b68d3267fe17471b |
completed | May 8, 2026, 6 p.m. |
Created at: April 10, 2026, 1:24 a.m.