Triple

T17824805
Position Surface form Disambiguated ID Type / Status
Subject Tōhoku Main Line E445085 entity
Predicate hasSection P35 FINISHED
Object Morioka–Aomori section
The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
E445085 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: Morioka–Aomori section | Statement: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Morioka–Aomori section
Context triple: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Tōhoku Main Line
    The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
  • 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: Morioka–Aomori section
Triple: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
Generated description
The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Morioka–Aomori section
Target entity description: The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Tōhoku Main Line chosen
    The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
  • 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.

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_69d8b9f0de78819099395b14db75a8a6 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4891352ac8190ad3d669fea1c9fbb completed April 19, 2026, 7:49 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0313b707048190847024da11394ed3 completed May 12, 2026, 11:49 a.m.
NEDg Description generation batch_6a03178c8b6481909a9c25e82609cba2 completed May 12, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_6a0317d7493081909022cfd6ffeb4fd4 completed May 12, 2026, 12:06 p.m.
Created at: April 10, 2026, 10:15 a.m.