Triple

T22482674
Position Surface form Disambiguated ID Type / Status
Subject Chengdu Metro Line 2 E555804 entity
Predicate owner P347 FINISHED
Object Chengdu Metro 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: Chengdu Metro Limited | Statement: [Chengdu Metro Line 2, owner, Chengdu Metro Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chengdu Metro Limited
Context triple: [Chengdu Metro Line 2, owner, Chengdu Metro Limited]
  • A. Chengdu Metro Limited chosen
    Chengdu Metro Limited is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Chengdu, China.
  • B. Chongqing Rail Transit Group
    Chongqing Rail Transit Group is the state-owned company responsible for building, operating, and managing the urban rail transit network in Chongqing, China.
  • C. Kunming Rail Transit Group
    Kunming Rail Transit Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit system in Kunming, China.
  • D. Guangzhou Metro Group
    Guangzhou Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Guangzhou, China.
  • E. 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.
  • 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_69e11e53897c819088863779f8c50bb0 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15c3a3b688190b41599979d038d85 completed April 29, 2026, 1:17 a.m.
Created at: April 16, 2026, 8:49 p.m.