Triple
T23001135
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CRRC Qingdao Sifang |
E572634
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Guangzhou 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: Guangzhou Metro rolling stock | Statement: [CRRC Qingdao Sifang, notableWork, Guangzhou Metro rolling stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Guangzhou Metro rolling stock Context triple: [CRRC Qingdao Sifang, notableWork, Guangzhou Metro rolling stock]
-
A.
Guangzhou Metro Type B trains
chosen
Guangzhou Metro Type B trains are standard-gauge electric multiple units used across several lines of the Guangzhou Metro system to provide high-capacity urban rail transit.
-
B.
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.
-
C.
Guangzhou Metro
Guangzhou Metro is the rapid transit system serving Guangzhou, China, forming one of the country’s largest and busiest urban rail networks.
-
D.
MTR EMU trains
MTR EMU trains are electric multiple unit passenger trains operated by Hong Kong’s MTR system, designed for high-frequency urban and suburban rail services.
-
E.
Foshan Metro
Foshan Metro is the urban rapid transit system serving Foshan in Guangdong Province, China, integrated with the Guangzhou Metro to form a larger intercity rail network in the Pearl River Delta.
- 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.