Triple

T6199474
Position Surface form Disambiguated ID Type / Status
Subject E235 series EMU E138591 entity
Predicate family P566 FINISHED
Object JR East E series EMU
The JR East E series EMU is a family of modern electric multiple unit trains operated by East Japan Railway Company, designed for high-capacity, efficient commuter and regional services across the JR East network.
 E125107 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 East E series EMU | Statement: [E235 series EMU, family, JR East E series EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR East E series EMU
Context triple: [E235 series EMU, family, JR East E series EMU]
  • A. JR West 321 series EMU
    The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
  • B. Keio 1000 series EMU
    The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
  • C. E231 series EMU
    The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
  • D. JR West 225 series EMU
    The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
  • E. JR West 223 series EMU
    The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
  • 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 East E series EMU
Triple: [E235 series EMU, family, JR East E series EMU]
Generated description
The JR East E series EMU is a family of modern electric multiple unit trains operated by East Japan Railway Company, designed for high-capacity, efficient commuter and regional services across the JR East network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR East E series EMU
Target entity description: The JR East E series EMU is a family of modern electric multiple unit trains operated by East Japan Railway Company, designed for high-capacity, efficient commuter and regional services across the JR East network.
  • A. JR West 321 series EMU
    The JR West 321 series EMU is a Japanese commuter electric multiple unit train operated by West Japan Railway Company, primarily used for high-frequency urban and suburban services in the Kansai region.
  • B. Keio 1000 series EMU
    The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
  • C. E231 series EMU chosen
    The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
  • D. JR West 225 series EMU
    The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
  • E. JR West 223 series EMU
    The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
  • F. None of above.

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_69c008acbea48190991c6b834bb45d65 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c06253534c8190aafe70a6cf5a67ec completed March 22, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16f302984819089c6a17dda476a4b completed March 23, 2026, 4:49 p.m.
NEDg Description generation batch_69c1c9a4bdd481909f836be4167befea completed March 23, 2026, 11:15 p.m.
NED2 Entity disambiguation (via description) batch_69c1ca257cb88190bee32a8ecb15c02b completed March 23, 2026, 11:17 p.m.
Created at: March 22, 2026, 4:20 p.m.