Triple

T22145006
Position Surface form Disambiguated ID Type / Status
Subject Tokyu Car Corporation E547262 entity
Predicate hasJapaneseName P9882 FINISHED
Object 東急車輛製造株式会社 E547262 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: 東急車輛製造株式会社 | Statement: [Tokyu Car Corporation, hasJapaneseName, 東急車輛製造株式会社]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 東急車輛製造株式会社
Context triple: [Tokyu Car Corporation, hasJapaneseName, 東急車輛製造株式会社]
  • A. Tokyu Car Corporation chosen
    Tokyu Car Corporation was a Japanese rolling stock manufacturer known for producing a wide range of electric multiple units, commuter trains, and other railway vehicles for domestic and international operators.
  • B. Tokyu Corporation
    Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
  • 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. Tokyo Monorail Co., Ltd.
    Tokyo Monorail Co., Ltd. is a Japanese railway company that operates the monorail line connecting central Tokyo with Haneda Airport.
  • E. Nippon Sharyo
    Nippon Sharyo is a Japanese rolling stock manufacturer known for producing railway vehicles for domestic operators and international markets.
  • 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_69e11e3a95d88190a3bd80d9471976c3 completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f129efd52c8190ab0acff5bbfc0d77 completed April 28, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a9700e2ec819087cfd2c7ef40a01a completed May 18, 2026, 4:35 a.m.
Created at: April 16, 2026, 8:33 p.m.