Triple
T23125653
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CRRC Tangshan |
E577020
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object | Tangshan Railway Vehicle Co., Ltd. |
—
|
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: Tangshan Railway Vehicle Co., Ltd. | Statement: [CRRC Tangshan, formerName, Tangshan Railway Vehicle Co., Ltd.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tangshan Railway Vehicle Co., Ltd. Context triple: [CRRC Tangshan, formerName, Tangshan Railway Vehicle Co., Ltd.]
-
A.
CRRC Tangshan
chosen
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.
-
B.
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.
-
C.
China Railway Shenyang Group
China Railway Shenyang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in Northeast China, including major high-speed lines.
-
D.
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.
-
E.
Tianjin Machine Factory
Tianjin Machine Factory was a key late Qing dynasty industrial enterprise in Tianjin, China, established as part of Li Hongzhang’s efforts to modernize the country’s military and industrial capabilities.
- 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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e53ac288190b27fe8064fb576c2 |
completed | April 29, 2026, 4:51 a.m. |
Created at: April 17, 2026, 3:59 p.m.