Triple

T12801796
Position Surface form Disambiguated ID Type / Status
Subject Chuo Shinkansen (maglev) planning and construction E306035 entity
Predicate plannedSection P29774 FINISHED
Object Nagoya–Osaka section
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
E1008270 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: Nagoya–Osaka section | Statement: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nagoya–Osaka section
Context triple: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
  • A. Osaka–Kyoto corridor
    The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
  • B. Tokyo–Shin-Osaka
    Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
  • C. Shin-Osaka–Okayama section
    The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
  • D. Tokyo–Okayama
    Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
  • E. Kameyama – Nagoya section
    The Kameyama–Nagoya section is a key eastern segment of Japan’s Kansai Main Line, linking Kameyama in Mie Prefecture with the major transport hub of Nagoya in Aichi Prefecture.
  • 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: Nagoya–Osaka section
Triple: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
Generated description
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nagoya–Osaka section
Target entity description: The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
  • A. Osaka–Kyoto corridor
    The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
  • B. Tokyo–Shin-Osaka
    Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
  • C. Shin-Osaka–Okayama section
    The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
  • D. Tokyo–Okayama
    Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
  • E. Kameyama – Nagoya section
    The Kameyama–Nagoya section is a key eastern segment of Japan’s Kansai Main Line, linking Kameyama in Mie Prefecture with the major transport hub of Nagoya in Aichi Prefecture.
  • 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_69d7bdf366888190a8cccb982606889c completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96facb2d48190bc12efc00c9da360 completed April 10, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6a544badc8190877c39728e57af6f completed May 3, 2026, 1:30 a.m.
NEDg Description generation batch_69f6a69b218c8190b7a1783f4608c484 completed May 3, 2026, 1:36 a.m.
NED2 Entity disambiguation (via description) batch_69f6a7a3c9948190bc6cee51ee66103d completed May 3, 2026, 1:40 a.m.
Created at: April 9, 2026, 5:30 p.m.