Triple

T15855663
Position Surface form Disambiguated ID Type / Status
Subject Seibu Shinjuku Line E384447 entity
Predicate rollingStock P1305 FINISHED
Object Seibu 10000 series limited express EMU
The Seibu 10000 series is a Japanese electric multiple unit train used for limited express services operated by Seibu Railway.
 E1183852 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: Seibu 10000 series limited express EMU | Statement: [Seibu Shinjuku Line, rollingStock, Seibu 10000 series limited express EMU]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seibu 10000 series limited express EMU
Context triple: [Seibu Shinjuku Line, rollingStock, Seibu 10000 series limited express EMU]
  • A. Seibu 30000 series EMU
    The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
  • B. Seibu 2000 series EMU
    The Seibu 2000 series EMU is a Japanese electric multiple unit train type operated by Seibu Railway, primarily used for commuter services in the Tokyo area.
  • C. Seibu 40000 series
    The Seibu 40000 series is a modern Japanese electric multiple unit train operated by Seibu Railway, designed for commuter services with features such as long-distance comfort seating and improved passenger amenities.
  • D. Seibu 6000 series
    The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
  • E. 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.
  • 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: Seibu 10000 series limited express EMU
Triple: [Seibu Shinjuku Line, rollingStock, Seibu 10000 series limited express EMU]
Generated description
The Seibu 10000 series is a Japanese electric multiple unit train used for limited express services operated by Seibu Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seibu 10000 series limited express EMU
Target entity description: The Seibu 10000 series is a Japanese electric multiple unit train used for limited express services operated by Seibu Railway.
  • A. Seibu 30000 series EMU
    The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
  • B. Seibu 2000 series EMU
    The Seibu 2000 series EMU is a Japanese electric multiple unit train type operated by Seibu Railway, primarily used for commuter services in the Tokyo area.
  • C. Seibu 40000 series
    The Seibu 40000 series is a modern Japanese electric multiple unit train operated by Seibu Railway, designed for commuter services with features such as long-distance comfort seating and improved passenger amenities.
  • D. Seibu 6000 series
    The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway lines.
  • E. 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.
  • 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_69d86da422088190aac39e32e6c68429 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e14cb08bd081908af2120eb2925441 completed April 16, 2026, 8:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb59bc1f881908c5ed93039e94a46 completed May 9, 2026, 10:30 p.m.
NEDg Description generation batch_69ffb6484d5c81908230dfd4a473159e completed May 9, 2026, 10:33 p.m.
NED2 Entity disambiguation (via description) batch_69ffb6a8fef08190b4b3b5c46f6916ef completed May 9, 2026, 10:35 p.m.
Created at: April 10, 2026, 4:50 a.m.