Triple

T6176418
Position Surface form Disambiguated ID Type / Status
Subject CRRC Corporation E137829 entity
Predicate hasSubsidiary P254 FINISHED
Object CRRC Tangshan
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.
 E577020 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: CRRC Tangshan | Statement: [CRRC Corporation, hasSubsidiary, CRRC Tangshan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CRRC Tangshan
Context triple: [CRRC Corporation, hasSubsidiary, CRRC Tangshan]
  • A. 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.
  • B. 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.
  • C. CRRC Qingdao Sifang
    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.
  • D. CRRC Zhuzhou Institute
    CRRC Zhuzhou Institute is a major Chinese research and manufacturing center specializing in rail transit equipment and technologies under the CRRC Corporation.
  • 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. 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: CRRC Tangshan
Triple: [CRRC Corporation, hasSubsidiary, CRRC Tangshan]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CRRC Tangshan
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. CRRC Qingdao Sifang
    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.
  • D. CRRC Zhuzhou Institute
    CRRC Zhuzhou Institute is a major Chinese research and manufacturing center specializing in rail transit equipment and technologies under the CRRC Corporation.
  • 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. 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_69c008a80f748190ba3d07ffc81acb29 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c05dc70ac481909fd1db0d69837eca completed March 22, 2026, 9:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69c20d7783988190a0f0c8b37abe7069 completed March 24, 2026, 4:05 a.m.
NEDg Description generation batch_69c211b3d06c81908b8eb7b3fe1b7e55 completed March 24, 2026, 4:23 a.m.
NED2 Entity disambiguation (via description) batch_69c2122ed0f0819083c1e06b211b26d4 completed March 24, 2026, 4:25 a.m.
Created at: March 22, 2026, 4:18 p.m.