Triple

T12801604
Position Surface form Disambiguated ID Type / Status
Subject JR Tōkai E306031 entity
Predicate operatesRailLine P15252 FINISHED
Object Takayama Main Line
The Takayama Main Line is a scenic railway route in central Japan that runs through the mountainous Hida region, connecting Gifu and Toyama Prefectures.
 E1409439 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Takayama Main Line
Triple: [JR Tōkai, operatesRailLine, Takayama Main Line]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0815e456ec8190986280b85fc017c7 completed May 16, 2026, 6:59 a.m.
NEDg Description generation batch_6a081a539a7c819089d8a308102e7d20 completed May 16, 2026, 7:18 a.m.
NED2 Entity disambiguation (via description) batch_6a081ab0e7208190b6020f9f9974084b completed May 16, 2026, 7:20 a.m.
Created at: April 9, 2026, 5:30 p.m.