Triple

T21948849
Position Surface form Disambiguated ID Type / Status
Subject Zhengzhou Metro E542007 entity
Predicate operator P179 FINISHED
Object Zhengzhou Metro Group Co., Ltd.
Zhengzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Zhengzhou, China.
E1509991 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: Zhengzhou Metro Group Co., Ltd. | Statement: [Zhengzhou Metro, operator, Zhengzhou Metro Group Co., Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Zhengzhou Metro Group Co., Ltd.
Context triple: [Zhengzhou Metro, operator, Zhengzhou Metro Group Co., Ltd.]
  • A. China Railway Zhengzhou Group
    China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
  • B. Shijiazhuang Metro Group
    Shijiazhuang Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Shijiazhuang, China.
  • C. Hangzhou Metro Group Co., Ltd.
    Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
  • D. Guangzhou Metro Group
    Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
  • E. Kunming Rail Transit Group
    Kunming Rail Transit Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Kunming, China.
  • 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: Zhengzhou Metro Group Co., Ltd.
Triple: [Zhengzhou Metro, operator, Zhengzhou Metro Group Co., Ltd.]
Generated description
Zhengzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Zhengzhou, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Zhengzhou Metro Group Co., Ltd.
Target entity description: Zhengzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Zhengzhou, China.
  • A. China Railway Zhengzhou Group
    China Railway Zhengzhou Group is a regional subsidiary of China Railway responsible for operating and managing railway services and infrastructure centered around Zhengzhou in central China.
  • B. Shijiazhuang Metro Group
    Shijiazhuang Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Shijiazhuang, China.
  • C. Hangzhou Metro Group Co., Ltd.
    Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
  • D. Guangzhou Metro Group
    Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
  • E. Kunming Rail Transit Group
    Kunming Rail Transit Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Kunming, China.
  • 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_69e0c47ef0e48190a50e1bcc43f4b3fd completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1243aed048190b4342899c83b38ec completed April 28, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a60f4866c819087a3ef3650885266 completed May 18, 2026, 12:44 a.m.
NEDg Description generation batch_6a0a62ca0b708190a7be985078a35718 completed May 18, 2026, 12:52 a.m.
NED2 Entity disambiguation (via description) batch_6a0a635712f08190aa89892eb7555156 completed May 18, 2026, 12:54 a.m.
Created at: April 16, 2026, 7:58 p.m.