Triple

T12801719
Position Surface form Disambiguated ID Type / Status
Subject Hikari E306033 entity
Predicate infrastructureOwner P347 FINISHED
Object JR Central (Tokaido Shinkansen)
JR Central (Tokaido Shinkansen) is the division of Central Japan Railway Company that operates and manages Japan’s busiest high-speed rail corridor linking Tokyo with Osaka along the Tokaido route.
 E1029176 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 Central (Tokaido Shinkansen) | Statement: [Hikari, infrastructureOwner, JR Central (Tokaido Shinkansen)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Central (Tokaido Shinkansen)
Context triple: [Hikari, infrastructureOwner, JR Central (Tokaido Shinkansen)]
  • A. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • B. Sotetsu Railway
    Sotetsu Railway is a private Japanese railway operator in the Greater Tokyo area, best known for its commuter lines in Kanagawa Prefecture and through-services into central Tokyo via interconnections with other major rail networks.
  • C. JR East Tōkaidō Main Line
    The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
  • D. 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.
  • E. East Japan Railway Company
    East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
  • 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 Central (Tokaido Shinkansen)
Triple: [Hikari, infrastructureOwner, JR Central (Tokaido Shinkansen)]
Generated description
JR Central (Tokaido Shinkansen) is the division of Central Japan Railway Company that operates and manages Japan’s busiest high-speed rail corridor linking Tokyo with Osaka along the Tokaido route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR Central (Tokaido Shinkansen)
Target entity description: JR Central (Tokaido Shinkansen) is the division of Central Japan Railway Company that operates and manages Japan’s busiest high-speed rail corridor linking Tokyo with Osaka along the Tokaido route.
  • A. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • B. Sotetsu Railway
    Sotetsu Railway is a private Japanese railway operator in the Greater Tokyo area, best known for its commuter lines in Kanagawa Prefecture and through-services into central Tokyo via interconnections with other major rail networks.
  • C. JR East Tōkaidō Main Line
    The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
  • D. 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.
  • E. East Japan Railway Company
    East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
  • 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_69d96e7d3f5c8190bf01bef5d263ca26 completed April 10, 2026, 9:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6fefabc8081908e46ffcaef22cce1 completed May 3, 2026, 7:53 a.m.
NEDg Description generation batch_69f702263edc8190ad775eb876837296 completed May 3, 2026, 8:07 a.m.
NED2 Entity disambiguation (via description) batch_69f7031a4490819081da260edd969ee8 completed May 3, 2026, 8:11 a.m.
Created at: April 9, 2026, 5:30 p.m.