Triple

T22612030
Position Surface form Disambiguated ID Type / Status
Subject Yonezawa Station E566730 entity
Predicate railwayCompanyRegion P15232 FINISHED
Object JR East Tohoku area
The JR East Tohoku area is the northeastern regional network of East Japan Railway Company, encompassing major conventional and Shinkansen lines across the Tohoku region of Honshu.
E1546201 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: JR East Tohoku area | Statement: [Yonezawa Station, railwayCompanyRegion, JR East Tohoku area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR East Tohoku area
Context triple: [Yonezawa Station, railwayCompanyRegion, JR East Tohoku area]
  • 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. JR Keihin-Tohoku Line
    The JR Keihin-Tohoku Line is a major Japanese railway line operated by JR East that runs north–south through the Tokyo metropolitan area, connecting key cities such as Saitama, Tokyo, and Yokohama.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: JR East Tohoku area
Triple: [Yonezawa Station, railwayCompanyRegion, JR East Tohoku area]
Generated description
The JR East Tohoku area is the northeastern regional network of East Japan Railway Company, encompassing major conventional and Shinkansen lines across the Tohoku region of Honshu.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR East Tohoku area
Target entity description: The JR East Tohoku area is the northeastern regional network of East Japan Railway Company, encompassing major conventional and Shinkansen lines across the Tohoku region of Honshu.
  • 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. JR Keihin-Tohoku Line
    The JR Keihin-Tohoku Line is a major Japanese railway line operated by JR East that runs north–south through the Tokyo metropolitan area, connecting key cities such as Saitama, Tokyo, and Yokohama.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69e245884860819081046ce07d5872c4 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f167eb08c88190bf2380fa8575d2da completed April 29, 2026, 2:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b4dfb3bbc8190a80293adab818937 completed May 18, 2026, 5:35 p.m.
NEDg Description generation batch_6a0b4f24dd9c81908f6907c75d4c6da7 completed May 18, 2026, 5:40 p.m.
NED2 Entity disambiguation (via description) batch_6a0b4fffea548190b0c3d9cce1c89aa9 completed May 18, 2026, 5:44 p.m.
Created at: April 17, 2026, 2:57 p.m.