Triple

T13903318
Position Surface form Disambiguated ID Type / Status
Subject Hangzhou Metro E334282 entity
Predicate operator P179 FINISHED
Object 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.
 E1068768 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: Hangzhou Metro Group Co., Ltd. | Statement: [Hangzhou Metro, operator, Hangzhou Metro Group Co., Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hangzhou Metro Group Co., Ltd.
Context triple: [Hangzhou Metro, operator, Hangzhou Metro Group Co., Ltd.]
  • A. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • B. 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.
  • C. Shenzhen Metro Group
    Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
  • D. Shanghai Public Transport Group
    Shanghai Public Transport Group is a major state-owned company responsible for operating and managing much of Shanghai’s urban public transportation system, particularly its extensive bus services.
  • E. Beijing MTR Corporation Limited
    Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
  • 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: Hangzhou Metro Group Co., Ltd.
Triple: [Hangzhou Metro, operator, Hangzhou Metro Group Co., Ltd.]
Generated description
Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hangzhou Metro Group Co., Ltd.
Target entity description: Hangzhou Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Hangzhou, China.
  • A. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • B. 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.
  • C. Shenzhen Metro Group
    Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
  • D. Shanghai Public Transport Group
    Shanghai Public Transport Group is a major state-owned company responsible for operating and managing much of Shanghai’s urban public transportation system, particularly its extensive bus services.
  • E. Beijing MTR Corporation Limited
    Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
  • 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_69d81c5eaa9c819083b1ff8689179565 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de25db1e308190aaed6a21e443cc44 completed April 14, 2026, 11:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7c722e72081909090b2d64000ebd9 completed May 3, 2026, 10:07 p.m.
NEDg Description generation batch_69f7c83a3e04819097b6e0b5a3161b9a completed May 3, 2026, 10:12 p.m.
NED2 Entity disambiguation (via description) batch_69f7c9732d188190a8a7151d21e0a310 completed May 3, 2026, 10:17 p.m.
Created at: April 9, 2026, 10:16 p.m.