Triple

T7038931
Position Surface form Disambiguated ID Type / Status
Subject Minatomirai Line E163456 entity
Predicate rollingStockUsed P5426 FINISHED
Object Tobu 50070 series E145468 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: Tobu 50070 series | Statement: [Minatomirai Line, rollingStockUsed, Tobu 50070 series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tobu 50070 series
Context triple: [Minatomirai Line, rollingStockUsed, Tobu 50070 series]
  • A. Tobu 50050 series chosen
    The Tobu 50050 series is a Japanese electric multiple unit train operated by Tobu Railway, designed for through-services with Tokyo Metro and known for its modern commuter-oriented features.
  • B. Tobu 10030 series
    The Tobu 10030 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
  • C. Tobu 30000 series
    The Tobu 30000 series is a Japanese electric multiple unit train type operated by Tobu Railway for commuter services in the Greater Tokyo area.
  • D. Tobu 9000 series
    The Tobu 9000 series is a Japanese electric multiple unit train type operated by Tobu Railway, commonly used for inter-running services with Tokyo Metro lines in the Tokyo metropolitan area.
  • E. Tokyu 5050 series
    The Tokyu 5050 series is a Japanese electric multiple unit commuter train type operated by Tokyu Corporation and used on through-services with Tokyo Metro and other railway lines in the Tokyo area.
  • 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_69c6885e7c1c8190be32a8f79ab4e0cf completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e223077c819097992089fa83c563 completed March 27, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7b8bf005c81908fef30e26703da76 completed March 28, 2026, 11:17 a.m.
Created at: March 27, 2026, 2:36 p.m.