Triple

T12801624
Position Surface form Disambiguated ID Type / Status
Subject JR Tōkai E306031 entity
Predicate developsProject P84254 FINISHED
Object Chūō Shinkansen
The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
E1019981 NE FINISHED

How this triple was built (5 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 Shinkansen | Statement: [JR Tōkai, developsProject, Chūō Shinkansen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chūō Shinkansen
Context triple: [JR Tōkai, developsProject, Chūō Shinkansen]
  • A. Tokaido Shinkansen
    The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
  • B. Sanyo Shinkansen
    Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
  • C. Yamagata Shinkansen
    The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
  • D. Jōetsu Shinkansen
    The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
  • E. Hokuriku Shinkansen
    The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
  • 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 Shinkansen
Triple: [JR Tōkai, developsProject, Chūō Shinkansen]
Generated description
The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chūō Shinkansen
Target entity description: The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
  • A. Tokaido Shinkansen
    The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
  • B. Sanyo Shinkansen
    Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
  • C. Yamagata Shinkansen
    The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
  • D. Jōetsu Shinkansen
    The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
  • E. Hokuriku Shinkansen
    The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: developsProject
Context triple: [JR Tōkai, developsProject, Chūō Shinkansen]
  • A. developmentProject
    Indicates a relationship where an organized effort or initiative is undertaken to plan, create, improve, or expand something over a defined period.
  • B. developsDuring
    Indicates that one process, condition, or characteristic comes into existence or forms over the course of a specified time period, phase, or event.
  • C. developmentPillar
    Indicates that one entity serves as a fundamental pillar or core focus area supporting the development or growth of another entity.
  • D. intendedProject chosen
    Indicates that an entity is the planned or targeted project associated with another entity (such as a person, organization, or activity).
  • E. projectsOn
    Indicates that one entity casts, directs, or extends itself onto the surface, area, or domain of another entity.
  • F. None of above.

Provenance (6 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_69f6d5ed774881909d2df630820e5f21 completed May 3, 2026, 4:58 a.m.
NEDg Description generation batch_69f6da9ed7bc8190b1a451ea2ada811d completed May 3, 2026, 5:18 a.m.
NED2 Entity disambiguation (via description) batch_69f6db6950b08190a868c9371ff0a34e completed May 3, 2026, 5:21 a.m.
PD Predicate disambiguation batch_69d9640ed7448190b276e7fab649f7d2 completed April 10, 2026, 8:56 p.m.
Created at: April 9, 2026, 5:30 p.m.