Triple

T8077667
Position Surface form Disambiguated ID Type / Status
Subject People’s Square Station E188531 entity
Predicate operator P179 FINISHED
Object Shanghai No. 1 Metro Operation Co. Ltd.
Shanghai No. 1 Metro Operation Co. Ltd. is a major urban rail operator responsible for running key lines and stations within the Shanghai Metro system.
 E713420 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: Shanghai No. 1 Metro Operation Co. Ltd. | Statement: [People’s Square Station, operator, Shanghai No. 1 Metro Operation Co. Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shanghai No. 1 Metro Operation Co. Ltd.
Context triple: [People’s Square Station, operator, Shanghai No. 1 Metro Operation Co. Ltd.]
  • A. Shanghai No. 2 Metro Operation Co. Ltd.
    Shanghai No. 2 Metro Operation Co. Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including major urban and suburban rail services.
  • B. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • C. Shanghai Municipal Transportation Commission
    The Shanghai Municipal Transportation Commission is the government body responsible for planning, regulating, and overseeing Shanghai’s urban transportation systems and infrastructure.
  • D. Beijing Mass Transit Railway Operation Corporation Limited
    Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
  • 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: Shanghai No. 1 Metro Operation Co. Ltd.
Triple: [People’s Square Station, operator, Shanghai No. 1 Metro Operation Co. Ltd.]
Generated description
Shanghai No. 1 Metro Operation Co. Ltd. is a major urban rail operator responsible for running key lines and stations within the Shanghai Metro system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shanghai No. 1 Metro Operation Co. Ltd.
Target entity description: Shanghai No. 1 Metro Operation Co. Ltd. is a major urban rail operator responsible for running key lines and stations within the Shanghai Metro system.
  • A. Shanghai No. 2 Metro Operation Co. Ltd.
    Shanghai No. 2 Metro Operation Co. Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including major urban and suburban rail services.
  • B. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • C. Shanghai Municipal Transportation Commission
    The Shanghai Municipal Transportation Commission is the government body responsible for planning, regulating, and overseeing Shanghai’s urban transportation systems and infrastructure.
  • D. Beijing Mass Transit Railway Operation Corporation Limited
    Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
  • 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_69ca82b50c708190863f661d438e68df completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb40a184488190b19ef7066f0f5057 completed March 31, 2026, 3:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc93eddef48190b5f499a5b52428c8 completed April 1, 2026, 3:41 a.m.
NEDg Description generation batch_69cc9557c6148190a759021b6add0a61 completed April 1, 2026, 3:47 a.m.
NED2 Entity disambiguation (via description) batch_69cc96a8bb688190a352de1798b380f1 completed April 1, 2026, 3:53 a.m.
Created at: March 30, 2026, 5:28 p.m.