Triple
T8238801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Guangzhou–Zhuhai Intercity Railway |
E192477
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
CRH1A EMU
The CRH1A EMU is a type of high-speed electric multiple unit train used in China’s intercity rail services.
|
E720923
|
NE FINISHED |
How this triple was built (4 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: CRH1A EMU | Statement: [Guangzhou–Zhuhai Intercity Railway, rollingStock, CRH1A EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRH1A EMU Context triple: [Guangzhou–Zhuhai Intercity Railway, rollingStock, CRH1A EMU]
-
A.
CRH3 EMU
The CRH3 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Siemens Velaro technology and designed for operation at speeds up to around 350 km/h.
-
B.
CRH380A EMU
The CRH380A EMU is a high-speed electric multiple unit train used in China’s railway network, designed for rapid intercity passenger service at speeds of up to around 380 km/h.
-
C.
CRH
CRH is the China Railway High-speed service and branding used for China's network of high-speed passenger trains.
-
D.
CRH2 EMU
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.
-
E.
Class 317 EMU
The Class 317 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban and commuter services on 25 kV AC overhead electrified routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CRH1A EMU Triple: [Guangzhou–Zhuhai Intercity Railway, rollingStock, CRH1A EMU]
Generated description
The CRH1A EMU is a type of high-speed electric multiple unit train used in China’s intercity rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CRH1A EMU Target entity description: The CRH1A EMU is a type of high-speed electric multiple unit train used in China’s intercity rail services.
-
A.
CRH3 EMU
The CRH3 EMU is a high-speed electric multiple unit train used in China’s railway network, derived from Siemens Velaro technology and designed for operation at speeds up to around 350 km/h.
-
B.
CRH380A EMU
The CRH380A EMU is a high-speed electric multiple unit train used in China’s railway network, designed for rapid intercity passenger service at speeds of up to around 380 km/h.
-
C.
CRH
CRH is the China Railway High-speed service and branding used for China's network of high-speed passenger trains.
-
D.
CRH2 EMU
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.
-
E.
Class 317 EMU
The Class 317 EMU is a type of British electric multiple unit train introduced in the early 1980s for suburban and commuter services on 25 kV AC overhead electrified routes.
- F. None of above. chosen
Provenance (5 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_69ca82dc8f148190a2c75a98501a7b91 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb783a8cf48190bf85394fd3bd79e2 |
completed | March 31, 2026, 7:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd3504e6ac8190b4cb12c80a7e7fc0 |
completed | April 1, 2026, 3:08 p.m. |
| NEDg | Description generation | batch_69cd37a47f3c81909491e9b0316c32f0 |
completed | April 1, 2026, 3:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd4ecc8d68819099932b1ecefc0d36 |
completed | April 1, 2026, 4:58 p.m. |
Created at: March 30, 2026, 5:47 p.m.