Triple

T8028757
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Monorail E186921 entity
Predicate ownerStakeholder P1553 FINISHED
Object East Japan Railway Company E149875 NE FINISHED

How this triple was built (3 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: East Japan Railway Company | Statement: [Tokyo Monorail, ownerStakeholder, East Japan Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East Japan Railway Company
Context triple: [Tokyo Monorail, ownerStakeholder, East Japan Railway Company]
  • A. East Japan Railway Company chosen
    East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
  • B. West Japan Railway Company
    West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
  • C. Central Japan Railway Company
    Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
  • D. Japan Railways Group
    Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
  • E. Japanese National Railways
    Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: ownerStakeholder
Context triple: [Tokyo Monorail, ownerStakeholder, East Japan Railway Company]
  • A. hasStakeholder chosen
    Indicates that an entity is a stakeholder of another entity, typically having an interest, involvement, or influence in its activities or outcomes.
  • B. ownershipStructure
    Indicates how ownership or control is distributed among entities within an organization or asset.
  • C. majorShareholderOf
    Indicates that one entity owns a controlling or significantly large portion of another entity’s shares or equity.
  • D. beneficialOwner
    Indicates that one entity is the ultimate beneficiary of ownership rights or economic interest in another entity or asset, even if the ownership is held indirectly or through intermediaries.
  • E. ownerAffiliation
    Indicates that an entity’s owner is formally associated with, belongs to, or is aligned with another entity or organization.
  • F. None of above.

Provenance (4 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_69ca82ad4e2c8190a693e3c9e30fe66f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3ecdbc5881909246982b93978841 completed March 31, 2026, 3:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69ce1c750c7c81908ad680f942bcbe9c completed April 2, 2026, 7:36 a.m.
PD Predicate disambiguation batch_69cb049253d08190bafcecfde493ab8b completed March 30, 2026, 11:17 p.m.
Created at: March 30, 2026, 5:21 p.m.