Triple

T11221124
Position Surface form Disambiguated ID Type / Status
Subject Ōu Main Line E265563 entity
Predicate hasSection P35 FINISHED
Object Akita–Aomori section
The Akita–Aomori section is the northern stretch of Japan’s Ōu Main Line that connects Akita Prefecture with Aomori Prefecture in the Tōhoku region.
 E916733 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: Akita–Aomori section | Statement: [Ōu Main Line, hasSection, Akita–Aomori section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Akita–Aomori section
Context triple: [Ōu Main Line, hasSection, Akita–Aomori section]
  • A. Yamagata–Shinjō section
    The Yamagata–Shinjō section is a segment of Japan’s Ōu Main Line railway connecting the city of Yamagata with Shinjō in Yamagata Prefecture.
  • B. Keihin-Tōhoku Line
    The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
  • C. 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.
  • D. Ōmagari–Akita section
    The Ōmagari–Akita section is a segment of railway on Japan’s Ōu Main Line that connects the city of Ōmagari with Akita in Akita Prefecture.
  • E. Okayama–Hakata section
    The Okayama–Hakata section is the western stretch of Japan’s Sanyō Shinkansen high-speed rail line, linking Okayama with Hakata (Fukuoka) across the Chūgoku region.
  • 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: Akita–Aomori section
Triple: [Ōu Main Line, hasSection, Akita–Aomori section]
Generated description
The Akita–Aomori section is the northern stretch of Japan’s Ōu Main Line that connects Akita Prefecture with Aomori Prefecture in the Tōhoku region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Akita–Aomori section
Target entity description: The Akita–Aomori section is the northern stretch of Japan’s Ōu Main Line that connects Akita Prefecture with Aomori Prefecture in the Tōhoku region.
  • A. Yamagata–Shinjō section
    The Yamagata–Shinjō section is a segment of Japan’s Ōu Main Line railway connecting the city of Yamagata with Shinjō in Yamagata Prefecture.
  • B. Keihin-Tōhoku Line
    The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
  • C. 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.
  • D. Ōmagari–Akita section
    The Ōmagari–Akita section is a segment of railway on Japan’s Ōu Main Line that connects the city of Ōmagari with Akita in Akita Prefecture.
  • E. Okayama–Hakata section
    The Okayama–Hakata section is the western stretch of Japan’s Sanyō Shinkansen high-speed rail line, linking Okayama with Hakata (Fukuoka) across the Chūgoku region.
  • 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_69d6aac59460819089b9848b27f57848 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e8eb84c48190b4f3bede254afde2 completed April 9, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69e509ea915481909c41a4a89ae6ee80 completed April 19, 2026, 4:59 p.m.
NEDg Description generation batch_69e50ec6ad388190b2518692d30c371c completed April 19, 2026, 5:20 p.m.
NED2 Entity disambiguation (via description) batch_69e5168c8da0819093bf61d8ea5f9e35 completed April 19, 2026, 5:53 p.m.
Created at: April 8, 2026, 9:30 p.m.