Triple

T19182099
Position Surface form Disambiguated ID Type / Status
Subject Baiduizi station E469599 entity
Predicate operator P179 FINISHED
Object Beijing Mass Transit Railway Operation Corporation Limited — NE NERFINISHED

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: Beijing Mass Transit Railway Operation Corporation Limited | Statement: [Baiduizi station, operator, Beijing Mass Transit Railway Operation Corporation Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beijing Mass Transit Railway Operation Corporation Limited
Context triple: [Baiduizi station, operator, Beijing Mass Transit Railway Operation Corporation Limited]
  • A. Beijing Mass Transit Railway Operation Corporation Limited chosen
    Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
  • B. Beijing Capital Metro Co., Ltd.
    Beijing Capital Metro Co., Ltd. is a transit company responsible for operating metro services associated with Beijing Capital International Airport, including its Terminal 3 station.
  • C. 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.
  • D. Tianjin Metro Group Co., Ltd.
    Tianjin Metro Group Co., Ltd. is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Tianjin, China.
  • 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 (2 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_69d8dd09d5a081909ae43c286651ae5a completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5f61cab348190965e96ac0f701f9f completed April 20, 2026, 9:47 a.m.
Created at: April 10, 2026, 12:07 p.m.