Triple

T6472558
Position Surface form Disambiguated ID Type / Status
Subject Keio 1000 series EMU E145989 entity
Predicate rollingStockFamily P45556 FINISHED
Object Keio commuter EMU fleet E145989 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: Keio commuter EMU fleet | Statement: [Keio 1000 series EMU, rollingStockFamily, Keio commuter EMU fleet]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keio commuter EMU fleet
Context triple: [Keio 1000 series EMU, rollingStockFamily, Keio commuter EMU fleet]
  • A. Keio 1000 series EMU chosen
    The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
  • B. Kinkisharyo light rail vehicles
    Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
  • C. Tokyu 5000 series
    The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
  • D. JR West 321 series EMU
    The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
  • E. JR West 223 series EMU
    The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
  • 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_69c008fec7408190af7b146dc63d9750 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06a3188488190a1b7452ede91ba5e completed March 22, 2026, 10:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69c65fd1db288190b00ba6d7f3aae925 completed March 27, 2026, 10:45 a.m.
Created at: March 22, 2026, 4:50 p.m.