Triple

T14064093
Position Surface form Disambiguated ID Type / Status
Subject Chūō Main Line E338417 entity
Predicate passesThrough P225 FINISHED
Object Chūō region
The Chūō region is a central area of Japan that lies along the Chūō Main Line, connecting major inland cities between Tokyo and Nagoya.
E1127769 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: Chūō region | Statement: [Chūō Main Line, passesThrough, Chūō region]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chūō region
Context triple: [Chūō Main Line, passesThrough, Chūō region]
  • A. Chūbu region
    The Chūbu region is a central area of Japan on Honshu Island, known for encompassing the Japanese Alps and including major prefectures such as Aichi, Nagano, and Shizuoka.
  • B. Tōkai region
    The Tōkai region is a central coastal area of Japan along the Pacific Ocean, known for its industrial cities, transportation hubs, and location between Tokyo and Osaka.
  • C. Kansai region
    The Kansai region is a major cultural and economic area of western Japan that includes cities such as Osaka, Kyoto, and Kobe and is known as a historic heartland of Japanese civilization.
  • D. Nagano metropolitan area
    The Nagano metropolitan area is an urban region in central Japan centered on the city of Nagano, known for its historical temples, surrounding mountains, and role as a regional economic and transportation hub.
  • E. Chūkyō metropolitan area
    The Chūkyō metropolitan area is Japan’s third-largest urban and industrial region, centered on Nagoya and known as a major hub for automotive manufacturing and international trade.
  • 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: Chūō region
Triple: [Chūō Main Line, passesThrough, Chūō region]
Generated description
The Chūō region is a central area of Japan that lies along the Chūō Main Line, connecting major inland cities between Tokyo and Nagoya.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chūō region
Target entity description: The Chūō region is a central area of Japan that lies along the Chūō Main Line, connecting major inland cities between Tokyo and Nagoya.
  • A. Chūbu region
    The Chūbu region is a central area of Japan on Honshu Island, known for encompassing the Japanese Alps and including major prefectures such as Aichi, Nagano, and Shizuoka.
  • B. Tōkai region
    The Tōkai region is a central coastal area of Japan along the Pacific Ocean, known for its industrial cities, transportation hubs, and location between Tokyo and Osaka.
  • C. Kansai region
    The Kansai region is a major cultural and economic area of western Japan that includes cities such as Osaka, Kyoto, and Kobe and is known as a historic heartland of Japanese civilization.
  • D. Nagano metropolitan area
    The Nagano metropolitan area is an urban region in central Japan centered on the city of Nagano, known for its historical temples, surrounding mountains, and role as a regional economic and transportation hub.
  • E. Chūkyō metropolitan area
    The Chūkyō metropolitan area is Japan’s third-largest urban and industrial region, centered on Nagoya and known as a major hub for automotive manufacturing and international trade.
  • 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_69d81c67ba6c819091935650dfb3b895 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de5689c7f48190a47ca94eaa8a9ef9 completed April 14, 2026, 3 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe7e72b9f08190a33e8e20541edd21 completed May 9, 2026, 12:23 a.m.
NEDg Description generation batch_69fe7f9ea5848190af5edd6d2d22c117 completed May 9, 2026, 12:28 a.m.
NED2 Entity disambiguation (via description) batch_69fe7ff91dec8190aa9f0d42a8cd00e0 completed May 9, 2026, 12:29 a.m.
Created at: April 9, 2026, 10:21 p.m.