Triple

T3263704
Position Surface form Disambiguated ID Type / Status
Subject Fangshan Line E68472 entity
Predicate operator P179 FINISHED
Object Beijing Mass Transit Railway Operation Corporation Limited E340072 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: [Fangshan Line, 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: [Fangshan Line, 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 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.
  • 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. Beijing Capital Group
    Beijing Capital Group is a large state-owned investment and holding company based in Beijing, China, with diversified interests in infrastructure, transportation, real estate, and finance.
  • E. 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.
  • 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_69ad8590444081909e8107a8aeef3a23 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adafaa35e48190b894ca41dd65932b completed March 8, 2026, 5:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e49fa3c8190baa956a311b1a716 completed March 13, 2026, 3:02 a.m.
Created at: March 8, 2026, 3:09 p.m.