Triple
T23001132
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CRRC Qingdao Sifang |
E572634
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Qingdao Metro rolling stock |
—
|
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: Qingdao Metro rolling stock | Statement: [CRRC Qingdao Sifang, notableWork, Qingdao Metro rolling stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Qingdao Metro rolling stock Context triple: [CRRC Qingdao Sifang, notableWork, Qingdao Metro rolling stock]
-
A.
Shanghai Metro Type A trains
Shanghai Metro Type A trains are high-capacity electric multiple units used across the Shanghai Metro system, designed for heavy-traffic urban rapid transit lines such as Line 11.
-
B.
Seoul Metro 4000 series trains
The Seoul Metro 4000 series trains are electric multiple units operating on Seoul Subway Line 4, known for serving as a primary fleet for this north–south rapid transit corridor in the Seoul metropolitan area.
-
C.
Seoul Metro 8000 series trains
The Seoul Metro 8000 series trains are electric multiple units used on Seoul’s subway system, particularly known for serving Line 8 with modern, high-capacity urban rail service.
-
D.
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.
-
E.
Seoul Metro 5000 series trains
The Seoul Metro 5000 series trains are electric multiple units operating on Seoul Subway Line 5, designed for high-capacity urban commuter service with modern safety and passenger comfort features.
- 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.