Triple

T9916947
Position Surface form Disambiguated ID Type / Status
Subject Tōhoku Shinkansen E185892 entity
Predicate usesRollingStock P5426 FINISHED
Object E5 series Shinkansen
The E5 series Shinkansen is a high-speed Japanese bullet train known for its long aerodynamic nose, advanced comfort features, and operation on some of the fastest services in the country.
 E832644 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: E5 series Shinkansen | Statement: [Tōhoku Shinkansen, usesRollingStock, E5 series Shinkansen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: E5 series Shinkansen
Context triple: [Tōhoku Shinkansen, usesRollingStock, E5 series Shinkansen]
  • A. E2 series Shinkansen
    The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
  • B. E3 series Shinkansen
    The E3 series Shinkansen is a Japanese high-speed train type operated by JR East, known for its compact, narrow-body design used on mini-shinkansen lines such as the Yamagata and Akita Shinkansen.
  • C. E4 series Shinkansen
    The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
  • D. E8 series Shinkansen
    The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
  • E. N700 series Shinkansen
    The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
  • 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: E5 series Shinkansen
Triple: [Tōhoku Shinkansen, usesRollingStock, E5 series Shinkansen]
Generated description
The E5 series Shinkansen is a high-speed Japanese bullet train known for its long aerodynamic nose, advanced comfort features, and operation on some of the fastest services in the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: E5 series Shinkansen
Target entity description: The E5 series Shinkansen is a high-speed Japanese bullet train known for its long aerodynamic nose, advanced comfort features, and operation on some of the fastest services in the country.
  • A. E2 series Shinkansen
    The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
  • B. E3 series Shinkansen
    The E3 series Shinkansen is a Japanese high-speed train type operated by JR East, known for its compact, narrow-body design used on mini-shinkansen lines such as the Yamagata and Akita Shinkansen.
  • C. E4 series Shinkansen
    The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
  • D. E8 series Shinkansen
    The E8 series Shinkansen is a high-speed Japanese train type operated by JR East, designed for mini-shinkansen services with improved comfort, energy efficiency, and performance.
  • E. N700 series Shinkansen
    The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
  • 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_69ca829b45f481909040f7b99a1976ed completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cdb540195881908f25f7dde5c66a75 completed April 2, 2026, 12:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23d2e676c81909e4eed258ecdf053 completed April 5, 2026, 10:45 a.m.
NEDg Description generation batch_69d24135c0b88190ad018858b99e0bde completed April 5, 2026, 11:02 a.m.
NED2 Entity disambiguation (via description) batch_69d241ca07b481908a2852ed15ed5cf2 completed April 5, 2026, 11:04 a.m.
Created at: March 30, 2026, 8:42 p.m.