Triple

T5777043
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metro 7000 series E127468 entity
Predicate operatorPredecessor P63426 FINISHED
Object Teito Rapid Transit Authority E156852 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: Teito Rapid Transit Authority | Statement: [Tokyo Metro 7000 series, operatorPredecessor, Teito Rapid Transit Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Teito Rapid Transit Authority
Context triple: [Tokyo Metro 7000 series, operatorPredecessor, Teito Rapid Transit Authority]
  • A. Teito Rapid Transit Authority chosen
    Teito Rapid Transit Authority was the former public operator of several Tokyo subway lines before its privatization and reorganization as Tokyo Metro.
  • B. Tokyo Metropolitan Bureau of Transportation
    The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
  • C. Keihan Electric Railway Co., Ltd.
    Keihan Electric Railway Co., Ltd. is a major Japanese private railway operator serving the Osaka–Kyoto region, known for its extensive commuter rail network and related transportation and leisure businesses.
  • D. Nankai Electric Railway
    Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
  • E. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • 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: operatorPredecessor
Context triple: [Tokyo Metro 7000 series, operatorPredecessor, Teito Rapid Transit Authority]
  • A. predecessorOperator chosen
    Indicates that one operator precedes another in an ordered sequence or process.
  • B. predecessor
    Indicates that one entity comes before another in an ordered sequence or succession.
  • C. successorOperator
    Indicates that one operator directly follows another in a defined sequence or ordering.
  • D. predecessorCollectionOf
    Indicates that one collection temporally or sequentially comes before and leads into another collection.
  • E. predecessorLocatedAt
    Indicates that the location specified was the place where the immediately preceding version, state, or instance of an entity was situated.
  • 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_69c008361fa88190aefa4dc41b051e7f completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02acb12c081908e4beee4a957f9f9 completed March 22, 2026, 5:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0980d833481908e69a80a63bbe256 completed March 23, 2026, 1:31 a.m.
PD Predicate disambiguation batch_69c021d0c6088190ba670ddcdbf5ca3e completed March 22, 2026, 5:07 p.m.
Created at: March 22, 2026, 3:50 p.m.