Triple
T12666640
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fuxing series EMU |
E302568
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | CRRC Qingdao Sifang |
E572634
|
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: CRRC Qingdao Sifang | Statement: [Fuxing series EMU, manufacturer, CRRC Qingdao Sifang]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRRC Qingdao Sifang Context triple: [Fuxing series EMU, manufacturer, CRRC Qingdao Sifang]
-
A.
CRRC Qingdao Sifang
chosen
CRRC Qingdao Sifang is a major Chinese rolling stock manufacturer best known for designing and producing high-speed trains and urban rail vehicles used across China and in international markets.
-
B.
CRRC Dalian
CRRC Dalian is a major Chinese manufacturer of locomotives and rolling stock, known for producing diesel and electric trains for domestic and international rail markets.
-
C.
CRRC Changchun Railway Vehicles
CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
-
D.
CRRC Tangshan
CRRC Tangshan is a major Chinese rolling stock manufacturer known for producing high-speed trains, metro cars, and other railway vehicles as part of the CRRC Corporation group.
-
E.
CRRC Corporation
CRRC Corporation is a Chinese state-owned rolling stock manufacturer and one of the world’s largest producers of railway equipment and trains.
- 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_69d7bded71a88190bb76e2413af9ea66 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96181c40481908f3e2717f5472b85 |
completed | April 10, 2026, 8:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6719de0908190bbc9a98e67e5b6eb |
completed | May 2, 2026, 9:50 p.m. |
Created at: April 9, 2026, 5:19 p.m.