Triple

T20600266
Position Surface form Disambiguated ID Type / Status
Subject Tokyu Setagaya Line E506158 entity
Predicate rollingStock P1305 FINISHED
Object Tokyu 300 series tramcar — NE NERFINISHED

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: Tokyu 300 series tramcar | Statement: [Tokyu Setagaya Line, rollingStock, Tokyu 300 series tramcar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyu 300 series tramcar
Context triple: [Tokyu Setagaya Line, rollingStock, Tokyu 300 series tramcar]
  • A. Tokyu 3000 series EMU
    The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
  • B. Tokyu 5080 series EMU
    The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
  • C. Tokyo Metro 9000 series EMU
    The Tokyo Metro 9000 series EMU is a Japanese electric multiple unit train type used for commuter services on Tokyo Metro’s Namboku Line and through-services onto lines such as the Tokyu Meguro Line.
  • D. Seibu 30000 series EMU
    The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
  • E. Toei 6300 series EMU
    The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tokyu 300 series tramcar
Target entity description: The Tokyu 300 series tramcar is a modern low-floor light rail vehicle used on Tokyo’s Tokyu Setagaya Line, known for its compact design and accessibility in urban street-running service.
  • A. Tokyu 3000 series EMU
    The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
  • B. Tokyu 5080 series EMU
    The Tokyu 5080 series EMU is a Japanese electric multiple unit train operated by Tokyu Corporation, primarily used for commuter services in the Tokyo area with through-running onto various subway and interurban lines.
  • C. Tokyo Metro 9000 series EMU
    The Tokyo Metro 9000 series EMU is a Japanese electric multiple unit train type used for commuter services on Tokyo Metro’s Namboku Line and through-services onto lines such as the Tokyu Meguro Line.
  • D. Seibu 30000 series EMU
    The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
  • E. Toei 6300 series EMU
    The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
  • F. None of above. chosen

Provenance (2 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_69e0b4ba6ae88190af871e1f9522c704 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6aa1ef9ac8190b05e23c149529cb9 completed April 20, 2026, 10:35 p.m.
Created at: April 16, 2026, 11:41 a.m.