Triple

T3161691
Position Surface form Disambiguated ID Type / Status
Subject Line 2 (Beijing Subway) E66115 entity
Predicate operator P179 FINISHED
Object Beijing Mass Transit Railway Operation Corporation Limited E67416 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: Beijing Mass Transit Railway Operation Corporation Limited | Statement: [Line 2 (Beijing Subway), 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: [Line 2 (Beijing Subway), operator, Beijing Mass Transit Railway Operation Corporation Limited]
  • A. Beijing MTR Corporation Limited chosen
    Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
  • 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. Beijing Municipal Commission of Transport
    The Beijing Municipal Commission of Transport is the city government agency responsible for planning, regulating, and overseeing Beijing’s transportation systems, including its extensive subway network.
  • D. Beijing Capital International Airport Company Limited
    Beijing Capital International Airport Company Limited is the state-controlled company responsible for managing and operating Beijing’s main international airport and related aviation services.
  • E. Ministry of Railways of the People’s Republic of China
    The Ministry of Railways of the People’s Republic of China was the former government body responsible for nationwide railway planning, construction, and operation before its dissolution in 2013.
  • 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_69ad85850c1481908a9e9c6242238de2 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada618b9b88190afaa6d47dcad9f2c completed March 8, 2026, 4:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b235d07ad88190838a845b5ade05a0 completed March 12, 2026, 3:41 a.m.
Created at: March 8, 2026, 3:06 p.m.