Triple

T23527903
Position Surface form Disambiguated ID Type / Status
Subject CRRC Changchun Railway Vehicles E576482 entity
Predicate predecessor P97 FINISHED
Object Changchun Railway Vehicles Co., Ltd. NE NERFINISHED

How this triple was built (2 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: Changchun Railway Vehicles Co., Ltd. | Statement: [CRRC Changchun Railway Vehicles, predecessor, Changchun Railway Vehicles Co., Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Changchun Railway Vehicles Co., Ltd.
Context triple: [CRRC Changchun Railway Vehicles, predecessor, Changchun Railway Vehicles Co., Ltd.]
  • A. CRRC Changchun Railway Vehicles chosen
    CRRC Changchun Railway Vehicles is a major Chinese manufacturer of railway rolling stock, including high-speed trains, metro cars, and other urban rail vehicles.
  • B. CRRC Zhuzhou Locomotive Co., Ltd.
    CRRC Zhuzhou Locomotive Co., Ltd. is a major Chinese manufacturer of locomotives and rail transit equipment, known for producing electric and high-speed trains for domestic and international markets.
  • C. CRRC Dalian
    CRRC Dalian is a major Chinese manufacturer of locomotives and rolling stock, known for producing diesel and electric trains for domestic and international rail markets.
  • D. 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.
  • E. China Railway Shenyang Group
    China Railway Shenyang Group is a regional subsidiary of China State Railway Group responsible for operating and managing railway services in Northeast China, including major high-speed lines.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245f5a8848190a2ba42e271c6c31f completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f1ac758038819098f5f597be39274e completed April 29, 2026, 7 a.m.
Created at: April 17, 2026, 6:09 p.m.