Triple

T10521478
Position Surface form Disambiguated ID Type / Status
Subject Odakyu Odawara Line E248181 entity
Predicate rollingStockUsed P5426 FINISHED
Object Odakyu 70000 series GSE
The Odakyu 70000 series GSE is a premium limited express electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its panoramic observation decks and use on Romancecar services.
 E876876 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: Odakyu 70000 series GSE | Statement: [Odakyu Odawara Line, rollingStockUsed, Odakyu 70000 series GSE]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Odakyu 70000 series GSE
Context triple: [Odakyu Odawara Line, rollingStockUsed, Odakyu 70000 series GSE]
  • A. Odakyu 60000 series MSE
    The Odakyu 60000 series MSE is a Japanese limited express electric multiple unit train operated by Odakyu Electric Railway, known for its premium "Romancecar" services.
  • B. Odakyu 4000 series
    The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
  • C. Odakyu 1000 series EMU
    The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • D. Odakyu 3000 series EMU
    The Odakyu 3000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • E. Keisei AE series EMU
    The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
  • 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: Odakyu 70000 series GSE
Triple: [Odakyu Odawara Line, rollingStockUsed, Odakyu 70000 series GSE]
Generated description
The Odakyu 70000 series GSE is a premium limited express electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its panoramic observation decks and use on Romancecar services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Odakyu 70000 series GSE
Target entity description: The Odakyu 70000 series GSE is a premium limited express electric multiple unit train operated by Odakyu Electric Railway in Japan, known for its panoramic observation decks and use on Romancecar services.
  • A. Odakyu 60000 series MSE
    The Odakyu 60000 series MSE is a Japanese limited express electric multiple unit train operated by Odakyu Electric Railway, known for its premium "Romancecar" services.
  • B. Odakyu 4000 series
    The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
  • C. Odakyu 1000 series EMU
    The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • D. Odakyu 3000 series EMU
    The Odakyu 3000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • E. Keisei AE series EMU
    The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
  • 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_69d381c5c7448190bec34bee7ec72bac completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d509dec25881909bc748640f26a416 completed April 7, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69d97a05ffdc8190a69b39c807a06042 completed April 10, 2026, 10:30 p.m.
NEDg Description generation batch_69d97cc07100819088683a0d79b2baa0 completed April 10, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69d97e015b088190a97822675eecaa5a completed April 10, 2026, 10:47 p.m.
Created at: April 6, 2026, 12:29 p.m.