Triple
T23001125
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CRRC Qingdao Sifang |
E572634
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | CRH2 high-speed train |
—
|
NE NERFINISHED |
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: CRH2 high-speed train | Statement: [CRRC Qingdao Sifang, notableWork, CRH2 high-speed train]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRH2 high-speed train Context triple: [CRRC Qingdao Sifang, notableWork, CRH2 high-speed train]
-
A.
CRH2 EMU
chosen
The CRH2 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Japan’s Shinkansen technology and designed for fast, long-distance passenger service.
-
B.
Series 200 Shinkansen
The Series 200 Shinkansen was an early generation of Japanese high-speed train sets introduced in the 1980s for use on the Tōhoku and Jōetsu Shinkansen lines, known for their cold-weather performance and distinctive angular design.
-
C.
521 series EMU
The 521 series EMU is a Japanese electric multiple unit train type operated by several regional railways in the Hokuriku area, designed for efficient suburban and interurban passenger services.
-
D.
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.
-
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 (2 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_69e245b6a3ac81908087599eefe3e365 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18352bcf48190bd474eff69b3465b |
completed | April 29, 2026, 4:04 a.m. |
Created at: April 17, 2026, 3:50 p.m.