Triple

T14690594
Position Surface form Disambiguated ID Type / Status
Subject Niigata Prefecture E345022 entity
Predicate hasRailwayLine P848 FINISHED
Object Echigo 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: Echigo Line | Statement: [Niigata Prefecture, hasRailwayLine, Echigo Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Echigo Line
Context triple: [Niigata Prefecture, hasRailwayLine, Echigo Line]
  • A. Jōetsu Line
    The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
  • B. Kusatsu Line
    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.
  • 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. 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.
  • E. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban 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: Echigo Line
Target entity description: The Echigo Line is a regional railway line in Japan operated by JR East that connects various coastal and inland communities within Niigata Prefecture.
  • A. Jōetsu Line
    The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
  • B. Kusatsu Line
    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.
  • 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. 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.
  • E. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban 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_69d822e34b348190ada4d1cdb6c7c226 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb585d46c81908d6964130914cec4 completed April 14, 2026, 9:45 p.m.
Created at: April 10, 2026, 1:28 a.m.