Triple

T6176416
Position Surface form Disambiguated ID Type / Status
Subject CRRC Corporation E137829 entity
Predicate hasSubsidiary P254 FINISHED
Object 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.
 E576482 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 Changchun Railway Vehicles | Statement: [CRRC Corporation, hasSubsidiary, CRRC Changchun Railway Vehicles]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CRRC Changchun Railway Vehicles
Context triple: [CRRC Corporation, hasSubsidiary, CRRC Changchun Railway Vehicles]
  • 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 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.
  • C. 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.
  • D. CRRC Zhuzhou Electric Locomotive
    CRRC Zhuzhou Electric Locomotive is a major Chinese manufacturer of electric locomotives and rail transit equipment, known for producing rolling stock for both domestic and international railway markets.
  • E. China Railway
    China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
  • 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 Changchun Railway Vehicles
Triple: [CRRC Corporation, hasSubsidiary, CRRC Changchun Railway Vehicles]
Generated description
CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CRRC Changchun Railway Vehicles
Target entity description: CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
  • 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 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.
  • C. 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.
  • D. CRRC Zhuzhou Electric Locomotive
    CRRC Zhuzhou Electric Locomotive is a major Chinese manufacturer of electric locomotives and rail transit equipment, known for producing rolling stock for both domestic and international railway markets.
  • E. China Railway
    China Railway is the state-owned national railway operator of China, responsible for managing and operating the country’s extensive rail network and services.
  • 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_69c16ef0f76881909d678010d0c064e7 completed March 23, 2026, 4:48 p.m.
NEDg Description generation batch_69c1be0624088190b20fdfa389ebf092 completed March 23, 2026, 10:26 p.m.
NED2 Entity disambiguation (via description) batch_69c1bec4844081908baa5abbc4cb3221 completed March 23, 2026, 10:29 p.m.
Created at: March 22, 2026, 4:18 p.m.