Triple

T11384690
Position Surface form Disambiguated ID Type / Status
Subject Thunderbird limited express E269685 entity
Predicate rollingStock P1305 FINISHED
Object 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.
 E922892 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: 683 series EMU | Statement: [Thunderbird limited express, rollingStock, 683 series EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 683 series EMU
Context triple: [Thunderbird limited express, rollingStock, 683 series EMU]
  • A. 446 series EMU
    The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
  • B. 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.
  • C. 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.
  • D. E233 series EMU
    The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
  • E. Toei 6500 series EMU
    The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter 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: 683 series EMU
Triple: [Thunderbird limited express, rollingStock, 683 series EMU]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 683 series EMU
Target entity description: 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.
  • A. 446 series EMU
    The 446 series EMU is a type of electric multiple unit train used for commuter and regional passenger services.
  • B. 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.
  • C. 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.
  • D. E233 series EMU
    The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
  • E. Toei 6500 series EMU
    The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter 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_69d6aacdbc6c8190af6dc3d5f5d22836 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7fc34f1f0819082dd977313ee6070 completed April 9, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58c1d4b188190b83cfad0cc95483e completed April 20, 2026, 2:14 a.m.
NEDg Description generation batch_69e5932d3cb88190807acdcdc3aaa9fc completed April 20, 2026, 2:45 a.m.
NED2 Entity disambiguation (via description) batch_69e59a0ab7e081908cb8761c4f82c664 completed April 20, 2026, 3:14 a.m.
Created at: April 8, 2026, 9:34 p.m.