Triple

T11575701
Position Surface form Disambiguated ID Type / Status
Subject JR West Shinkansen E274498 entity
Predicate rollingStockUsed P5426 FINISHED
Object E7 series Shinkansen
The E7 series Shinkansen is a high-speed electric multiple unit train type in Japan, known for its comfort, advanced safety features, and operation on Hokuriku and other Shinkansen lines.
 E945223 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: E7 series Shinkansen | Statement: [JR West Shinkansen, rollingStockUsed, E7 series Shinkansen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: E7 series Shinkansen
Context triple: [JR West Shinkansen, rollingStockUsed, E7 series Shinkansen]
  • A. 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.
  • B. E6 series Shinkansen
    The E6 series Shinkansen is a high-speed Japanese bullet train known for its streamlined design, tilting capability, and operation on Akita Shinkansen services.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: E7 series Shinkansen
Triple: [JR West Shinkansen, rollingStockUsed, E7 series Shinkansen]
Generated description
The E7 series Shinkansen is a high-speed electric multiple unit train type in Japan, known for its comfort, advanced safety features, and operation on Hokuriku and other Shinkansen lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: E7 series Shinkansen
Target entity description: The E7 series Shinkansen is a high-speed electric multiple unit train type in Japan, known for its comfort, advanced safety features, and operation on Hokuriku and other Shinkansen lines.
  • A. 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.
  • B. E6 series Shinkansen
    The E6 series Shinkansen is a high-speed Japanese bullet train known for its streamlined design, tilting capability, and operation on Akita Shinkansen services.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d6aae5ac3c81908d2b0a3a665665b2 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d89049721081909278adfada668ef9 completed April 10, 2026, 5:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69f08f645c70819085c13b641deecb82 completed April 28, 2026, 10:43 a.m.
NEDg Description generation batch_69f0bd36673881908530b68e496c3d2e completed April 28, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_69f0eec1f5d081908624fe2a93995fe5 completed April 28, 2026, 5:30 p.m.
Created at: April 8, 2026, 9:38 p.m.