Triple
T9916946
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tōhoku Shinkansen |
E185892
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | E3 series Shinkansen |
E716870
|
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: E3 series Shinkansen | Statement: [Tōhoku Shinkansen, usesRollingStock, E3 series Shinkansen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E3 series Shinkansen Context triple: [Tōhoku Shinkansen, usesRollingStock, E3 series Shinkansen]
-
A.
E3 series Shinkansen
chosen
The E3 series Shinkansen is a Japanese high-speed train type operated by JR East, known for its compact, narrow-body design used on mini-shinkansen lines such as the Yamagata and Akita Shinkansen.
-
B.
E2 series Shinkansen
The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
-
C.
E4 series Shinkansen
The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
-
D.
E8 series Shinkansen
The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
-
E.
N700 series Shinkansen
The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
- 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_69ca829b45f481909040f7b99a1976ed |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cdb540195881908f25f7dde5c66a75 |
completed | April 2, 2026, 12:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d228ae315c8190bedb2cbab0982118 |
completed | April 5, 2026, 9:17 a.m. |
Created at: March 30, 2026, 8:42 p.m.