Triple

T18383199
Position Surface form Disambiguated ID Type / Status
Subject Beijing Subway Line 16 E446508 entity
Predicate operator P179 FINISHED
Object Beijing MTR 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 MTR Corporation Limited | Statement: [Beijing Subway Line 16, operator, Beijing MTR Corporation Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beijing MTR Corporation Limited
Context triple: [Beijing Subway Line 16, operator, Beijing MTR 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. 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 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.
  • D. MTR Corporation (Shanghai) Limited
    MTR Corporation (Shanghai) Limited is the Shanghai-based subsidiary of Hong Kong’s MTR Corporation, responsible for investing in and operating urban rail transit projects in mainland China.
  • E. Shenzhen Metro Group
    Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
  • 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_69d8b9f370b88190b1e5081c2c238e7f completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e5179c931c8190b1c7c8284f42f7b7 completed April 19, 2026, 5:57 p.m.
Created at: April 10, 2026, 10:45 a.m.