Triple

T11938977
Position Surface form Disambiguated ID Type / Status
Subject JR West 225 series EMU E284124 entity
Predicate usedOnLine P15252 FINISHED
Object Kusatsu Line — 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: Kusatsu Line | Statement: [JR West 225 series EMU, usedOnLine, Kusatsu Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kusatsu Line
Context triple: [JR West 225 series EMU, usedOnLine, Kusatsu Line]
  • A. Agatsuma Line
    The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
  • B. Fukuchiyama Line
    The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
  • C. Hakushin Line
    The Hakushin Line is a railway line in Japan operated by JR East that primarily serves the Niigata area, providing regional passenger and freight transport.
  • D. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • E. Wakayamakō Line
    The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
  • 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: Kusatsu Line
Target entity description: The Kusatsu Line is a regional railway line in Japan’s Kansai area operated by JR West, connecting Shiga Prefecture’s inland communities with major urban rail hubs.
  • A. Agatsuma Line
    The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
  • B. Fukuchiyama Line
    The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
  • C. Hakushin Line
    The Hakushin Line is a railway line in Japan operated by JR East that primarily serves the Niigata area, providing regional passenger and freight transport.
  • D. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • E. Wakayamakō Line
    The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
  • 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_69d6ab2ce9c48190b5d39511b524f666 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903415d2481909d84e6727454b9fe completed April 10, 2026, 2:03 p.m.
Created at: April 8, 2026, 9:45 p.m.