Triple

T11976677
Position Surface form Disambiguated ID Type / Status
Subject 201 series EMU E285057 entity
Predicate precededBy P97 FINISHED
Object 103 series EMU
The 103 series EMU is a Japanese commuter electric multiple unit train type that served extensively in urban areas such as Tokyo and Osaka from the 1960s, becoming one of Japan National Railways' most iconic and long-lived train series.
 E969311 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: 103 series EMU | Statement: [201 series EMU, precededBy, 103 series EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 103 series EMU
Context triple: [201 series EMU, precededBy, 103 series EMU]
  • A. 683 series EMU
    The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
  • B. 446 series EMU
    The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
  • C. 70 series EMU
    The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
  • D. 201 series EMU
    The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
  • E. 323 series EMU
    The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter 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: 103 series EMU
Triple: [201 series EMU, precededBy, 103 series EMU]
Generated description
The 103 series EMU is a Japanese commuter electric multiple unit train type that served extensively in urban areas such as Tokyo and Osaka from the 1960s, becoming one of Japan National Railways' most iconic and long-lived train series.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 103 series EMU
Target entity description: The 103 series EMU is a Japanese commuter electric multiple unit train type that served extensively in urban areas such as Tokyo and Osaka from the 1960s, becoming one of Japan National Railways' most iconic and long-lived train series.
  • A. 683 series EMU
    The 683 series EMU is a Japanese electric multiple unit train operated by JR West, best known for its use on high-speed limited express services in the Hokuriku region.
  • B. 446 series EMU
    The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
  • C. 70 series EMU
    The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
  • D. 201 series EMU
    The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
  • E. 323 series EMU
    The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
  • 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_69d6ab2eaeb881909f7914758f859413 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903926690819090e7ce982f103457 completed April 10, 2026, 2:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60a5b024c81909e4ccfd7dec7edb3 completed May 2, 2026, 2:29 p.m.
NEDg Description generation batch_69f60bda16e48190af8abc0aa8ef41f0 completed May 2, 2026, 2:36 p.m.
NED2 Entity disambiguation (via description) batch_69f60cd51d34819099927fee476958ea completed May 2, 2026, 2:40 p.m.
Created at: April 8, 2026, 9:46 p.m.