Triple

T11886901
Position Surface form Disambiguated ID Type / Status
Subject Beixinjing Station E282806 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: [Beixinjing 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: [Beixinjing 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 No. 3 Metro Operation Co., Ltd.
    Shanghai No. 3 Metro Operation Co., Ltd. is a transit company responsible for operating and managing services on Shanghai Metro’s Line 7.
  • D. Shanghai No. 4 Metro Operation Co., Ltd.
    Shanghai No. 4 Metro Operation Co., Ltd. is a transit company responsible for operating part of the Shanghai Metro network, including Line 6.
  • E. Shanghai Shentong Metro Group
    Shanghai Shentong Metro Group is the state-owned company responsible for operating and managing Shanghai’s urban rapid transit network.
  • 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_69d6ab2a90b08190a4e818821cc93e6d completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8d3a13370819086386fecb99e4f0b completed April 10, 2026, 10:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69f281fc9660819081fc2fd1f44440d8 completed April 29, 2026, 10:11 p.m.
Created at: April 8, 2026, 9:44 p.m.