Triple

T6176420
Position Surface form Disambiguated ID Type / Status
Subject CRRC Corporation E137829 entity
Predicate hasSubsidiary P254 FINISHED
Object 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.
 E572636 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 Zhuzhou Institute | Statement: [CRRC Corporation, hasSubsidiary, CRRC Zhuzhou Institute]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CRRC Zhuzhou Institute
Context triple: [CRRC Corporation, hasSubsidiary, CRRC Zhuzhou Institute]
  • 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. China Railway Design Corporation
    China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
  • C. Ministry of Railways of the People’s Republic of China
    The Ministry of Railways of the People’s Republic of China was the former government body responsible for nationwide railway planning, construction, and operation before its dissolution in 2013.
  • D. Shenzhen Research Institute of Tsinghua University
    The Shenzhen Research Institute of Tsinghua University is a major research and innovation hub established by Tsinghua University in Shenzhen to promote advanced scientific research, technology transfer, and industry–academia collaboration in southern China.
  • E. Changsha University of Science and Technology
    Changsha University of Science and Technology is a comprehensive public university in Changsha, Hunan, China, known for its strengths in engineering, transportation, and applied sciences.
  • 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 Zhuzhou Institute
Triple: [CRRC Corporation, hasSubsidiary, CRRC Zhuzhou Institute]
Generated description
CRRC Zhuzhou Institute is a major Chinese research and manufacturing center specializing in rail transit equipment and technologies under the CRRC Corporation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CRRC Zhuzhou Institute
Target entity description: CRRC Zhuzhou Institute is a major Chinese research and manufacturing center specializing in rail transit equipment and technologies under the CRRC Corporation.
  • 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. China Railway Design Corporation
    China Railway Design Corporation is a major Chinese engineering and consulting firm specializing in the planning and design of large-scale railway and transportation infrastructure projects.
  • C. Ministry of Railways of the People’s Republic of China
    The Ministry of Railways of the People’s Republic of China was the former government body responsible for nationwide railway planning, construction, and operation before its dissolution in 2013.
  • D. Shenzhen Research Institute of Tsinghua University
    The Shenzhen Research Institute of Tsinghua University is a major research and innovation hub established by Tsinghua University in Shenzhen to promote advanced scientific research, technology transfer, and industry–academia collaboration in southern China.
  • E. Changsha University of Science and Technology
    Changsha University of Science and Technology is a comprehensive public university in Changsha, Hunan, China, known for its strengths in engineering, transportation, and applied sciences.
  • 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_69c141b69c348190a4e530b7380b643f completed March 23, 2026, 1:35 p.m.
NEDg Description generation batch_69c144384d508190952ff35c20ff7db1 completed March 23, 2026, 1:46 p.m.
NED2 Entity disambiguation (via description) batch_69c144a2d800819090c351460c0826d1 completed March 23, 2026, 1:48 p.m.
Created at: March 22, 2026, 4:18 p.m.