Triple

T8077668
Position Surface form Disambiguated ID Type / Status
Subject People’s Square Station E188531 entity
Predicate operator P179 FINISHED
Object Shanghai No. 2 Metro Operation Co. Ltd. E674197 NE FINISHED

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: Shanghai No. 2 Metro Operation Co. Ltd. | Statement: [People’s Square Station, operator, Shanghai No. 2 Metro Operation Co. Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shanghai No. 2 Metro Operation Co. Ltd.
Context triple: [People’s Square Station, operator, Shanghai No. 2 Metro Operation Co. Ltd.]
  • A. Shanghai No. 2 Metro Operation Co. Ltd. chosen
    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 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.
  • C. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ccbe73549081908e8601aab662725f completed April 1, 2026, 6:42 a.m.
Created at: March 30, 2026, 5:28 p.m.