Triple

T12801604
Position Surface form Disambiguated ID Type / Status
Subject JR Tōkai E306031 entity
Predicate operatesRailLine P15252 FINISHED
Object Takayama Main 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: Takayama Main Line | Statement: [JR Tōkai, operatesRailLine, Takayama Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Takayama Main Line
Context triple: [JR Tōkai, operatesRailLine, Takayama Main Line]
  • A. Shinetsu Main Line
    The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central 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. Uetsu Main Line
    The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
  • D. Senmō Main Line
    The Senmō Main Line is a rural railway line in eastern Hokkaido, Japan, known for its scenic route through sparsely populated landscapes and its operation by the Hokkaido Railway Company (JR Hokkaido).
  • E. Sōya Main Line
    The Sōya Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that runs through the northernmost regions of the island, including the city of Wakkanai.
  • 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: Takayama Main Line
Target entity description: The Takayama Main Line is a scenic railway route in central Japan that runs through the mountainous Hida region, connecting Gifu and Toyama Prefectures.
  • A. Shinetsu Main Line
    The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central 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. Uetsu Main Line
    The Uetsu Main Line is a major railway line in northern Japan that runs along the Sea of Japan coast, connecting Niigata and Akita through rural areas including Yamagata Prefecture.
  • D. Senmō Main Line
    The Senmō Main Line is a rural railway line in eastern Hokkaido, Japan, known for its scenic route through sparsely populated landscapes and its operation by the Hokkaido Railway Company (JR Hokkaido).
  • E. Sōya Main Line
    The Sōya Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that runs through the northernmost regions of the island, including the city of Wakkanai.
  • 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_69d7bdf366888190a8cccb982606889c completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96e7d3f5c8190bf01bef5d263ca26 completed April 10, 2026, 9:41 p.m.
Created at: April 9, 2026, 5:30 p.m.