Triple

T2868499
Position Surface form Disambiguated ID Type / Status
Subject Central Japan Railway Company E63498 entity
Predicate railBrand P39149 FINISHED
Object JR Central conventional lines
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
E306034 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 conventional lines | Statement: [Central Japan Railway Company, railBrand, JR Central conventional lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR Central conventional lines
Context triple: [Central Japan Railway Company, railBrand, JR Central conventional lines]
  • 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. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • C. JR East urban network
    The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
  • D. Urban Network (JR West)
    Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
  • E. JR West Hanwa Line
    The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
  • 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 conventional lines
Triple: [Central Japan Railway Company, railBrand, JR Central conventional lines]
Generated description
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR Central conventional lines
Target entity description: JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
  • 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. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • C. JR East urban network
    The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
  • D. Urban Network (JR West)
    Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
  • E. JR West Hanwa Line
    The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
  • 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_69ab4c42fb8c8190b36e161d47c03b81 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdfdfef1881909dc52a1b34cd24e3 completed March 7, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01dabb19c8190822ac992ab764446 completed March 10, 2026, 1:33 p.m.
NEDg Description generation batch_69b01e34639c8190b1c6e8a14cd31d96 completed March 10, 2026, 1:35 p.m.
NED2 Entity disambiguation (via description) batch_69b01f5a6784819089499926fb115d9c completed March 10, 2026, 1:40 p.m.
Created at: March 6, 2026, 10:02 p.m.