Triple

T12717333
Position Surface form Disambiguated ID Type / Status
Subject JR West 221 series E303882 entity
Predicate family P566 FINISHED
Object JR West suburban EMU family
The JR West suburban EMU family is a group of electric multiple unit commuter trains operated by West Japan Railway Company for suburban passenger services.
E955052 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 West suburban EMU family | Statement: [JR West 221 series, family, JR West suburban EMU family]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR West suburban EMU family
Context triple: [JR West 221 series, family, JR West suburban EMU family]
  • A. JR West 223/225 series family
    The JR West 223/225 series family is a group of modern Japanese electric multiple unit commuter and suburban trains operated by West Japan Railway Company, known for their high performance, safety features, and use on urban and interurban services in the Kansai region.
  • B. 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.
  • C. JR West 271 series
    The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
  • 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. Kintetsu commuter EMUs
    Kintetsu commuter EMUs are electric multiple-unit train sets operated by Kintetsu Railway in Japan, primarily designed for high-frequency suburban and interurban passenger services.
  • 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 West suburban EMU family
Triple: [JR West 221 series, family, JR West suburban EMU family]
Generated description
The JR West suburban EMU family is a group of electric multiple unit commuter trains operated by West Japan Railway Company for suburban passenger services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR West suburban EMU family
Target entity description: The JR West suburban EMU family is a group of electric multiple unit commuter trains operated by West Japan Railway Company for suburban passenger services.
  • A. JR West 223/225 series family chosen
    The JR West 223/225 series family is a group of modern Japanese electric multiple unit commuter and suburban trains operated by West Japan Railway Company, known for their high performance, safety features, and use on urban and interurban services in the Kansai region.
  • B. 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.
  • C. JR West 271 series
    The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
  • 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. Kintetsu commuter EMUs
    Kintetsu commuter EMUs are electric multiple-unit train sets operated by Kintetsu Railway in Japan, primarily designed for high-frequency suburban and interurban passenger services.
  • 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_69d7bdf084148190ab9d513dc0735af4 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9620bd6148190a2f50067a4c18c14 completed April 10, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f671bcc10481909f150989f9545752 completed May 2, 2026, 9:50 p.m.
NEDg Description generation batch_69f6740129688190b286ce7acb4848c7 completed May 2, 2026, 10 p.m.
NED2 Entity disambiguation (via description) batch_69f675249d248190933421df49d3a2ab completed May 2, 2026, 10:05 p.m.
Created at: April 9, 2026, 5:23 p.m.