Triple
T2868483
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Japan Railway Company |
E63498
|
entity |
| Predicate | ownsInfrastructure |
P26836
|
FINISHED |
| Object | Tokaido Shinkansen |
E63499
|
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: Tokaido Shinkansen | Statement: [Central Japan Railway Company, ownsInfrastructure, Tokaido Shinkansen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokaido Shinkansen Context triple: [Central Japan Railway Company, ownsInfrastructure, Tokaido Shinkansen]
-
A.
Tokaido Shinkansen
chosen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
-
B.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
C.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
D.
Akita Shinkansen
The Akita Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Akita Prefecture with the Tōhoku Shinkansen network, providing fast intercity service to and from Tokyo.
-
E.
JR West Shinkansen
JR West Shinkansen is the high-speed bullet train service operated by West Japan Railway Company, connecting major cities across western Japan.
- 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_69ab4c42fb8c8190b36e161d47c03b81 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdfdfef1881909dc52a1b34cd24e3 |
completed | March 7, 2026, 8:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0314fe01081908dad360ba7f3944e |
completed | March 10, 2026, 2:57 p.m. |
Created at: March 6, 2026, 10:02 p.m.