Triple

T9256806
Position Surface form Disambiguated ID Type / Status
Subject Beijing–Shanghai High-Speed Railway E222463 entity
Predicate primaryRollingStock P1305 FINISHED
Object CRH380C
The CRH380C is a high-speed electric multiple unit train used in China’s railway network, designed for rapid passenger service at speeds of up to around 380 km/h.
 E791001 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: CRH380C | Statement: [Beijing–Shanghai High-Speed Railway, primaryRollingStock, CRH380C]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CRH380C
Context triple: [Beijing–Shanghai High-Speed Railway, primaryRollingStock, CRH380C]
  • A. CRH380B
    The CRH380B is a high-speed electric multiple unit train used in China’s railway network, designed for rapid intercity passenger service at speeds up to around 380 km/h.
  • B. CRH
    CRH is the China Railway High-speed service and branding used for China's network of high-speed passenger trains.
  • C. 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.
  • D. 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.
  • E. Fuxing series EMU
    The Fuxing series EMU is a family of Chinese high-speed electric multiple unit trains known for operating at some of the world’s highest commercial speeds on major routes across China’s high-speed rail network.
  • 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: CRH380C
Triple: [Beijing–Shanghai High-Speed Railway, primaryRollingStock, CRH380C]
Generated description
The CRH380C is a high-speed electric multiple unit train used in China’s railway network, designed for rapid passenger service at speeds of up to around 380 km/h.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CRH380C
Target entity description: The CRH380C is a high-speed electric multiple unit train used in China’s railway network, designed for rapid passenger service at speeds of up to around 380 km/h.
  • A. CRH380B
    The CRH380B is a high-speed electric multiple unit train used in China’s railway network, designed for rapid intercity passenger service at speeds up to around 380 km/h.
  • B. CRH
    CRH is the China Railway High-speed service and branding used for China's network of high-speed passenger trains.
  • C. 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.
  • D. 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.
  • E. Fuxing series EMU
    The Fuxing series EMU is a family of Chinese high-speed electric multiple unit trains known for operating at some of the world’s highest commercial speeds on major routes across China’s high-speed rail network.
  • 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_69ca841e4cd481908e738c74e958eaea completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd06b4e2048190af0d65b904677c36 completed April 1, 2026, 11:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0c736ccd8819081d2c5a6be11ac36 completed April 4, 2026, 8:09 a.m.
NEDg Description generation batch_69d0c850d65c8190b2bf5da194466dd7 completed April 4, 2026, 8:14 a.m.
NED2 Entity disambiguation (via description) batch_69d0ca3b77e081908fdcc1aafaf2344a completed April 4, 2026, 8:22 a.m.
Created at: March 30, 2026, 7:32 p.m.