Triple

T8028764
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Monorail E186921 entity
Predicate rollingStock P1305 FINISHED
Object Tokyo Monorail 1000 series (refurbished)
The Tokyo Monorail 1000 series (refurbished) is a modernized electric multiple-unit monorail trainset used on the Tokyo Monorail line, upgraded with updated interiors, systems, and exterior styling to extend its service life and improve passenger comfort.
 E714976 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: Tokyo Monorail 1000 series (refurbished) | Statement: [Tokyo Monorail, rollingStock, Tokyo Monorail 1000 series (refurbished)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyo Monorail 1000 series (refurbished)
Context triple: [Tokyo Monorail, rollingStock, Tokyo Monorail 1000 series (refurbished)]
  • A. Tokyo Monorail 10000 series
    The Tokyo Monorail 10000 series is a modern electric multiple-unit monorail train used on the Tokyo Monorail line, featuring updated interiors, improved accessibility, and energy-efficient systems for airport access services.
  • B. Tokyo Monorail 2000 series
    The Tokyo Monorail 2000 series is a fleet of electric multiple-unit monorail trains operating on the Tokyo Monorail line, designed to provide rapid, frequent service between central Tokyo and Haneda Airport.
  • C. Tokyo Metro 17000 series
    The Tokyo Metro 17000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Fukutoshin and Yurakucho Lines with improved energy efficiency and passenger comfort.
  • D. Tokyo Metro 10000 series
    The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
  • E. Tokyo Metro 1000 series
    The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
  • 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: Tokyo Monorail 1000 series (refurbished)
Triple: [Tokyo Monorail, rollingStock, Tokyo Monorail 1000 series (refurbished)]
Generated description
The Tokyo Monorail 1000 series (refurbished) is a modernized electric multiple-unit monorail trainset used on the Tokyo Monorail line, upgraded with updated interiors, systems, and exterior styling to extend its service life and improve passenger comfort.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tokyo Monorail 1000 series (refurbished)
Target entity description: The Tokyo Monorail 1000 series (refurbished) is a modernized electric multiple-unit monorail trainset used on the Tokyo Monorail line, upgraded with updated interiors, systems, and exterior styling to extend its service life and improve passenger comfort.
  • A. Tokyo Monorail 10000 series
    The Tokyo Monorail 10000 series is a modern electric multiple-unit monorail train used on the Tokyo Monorail line, featuring updated interiors, improved accessibility, and energy-efficient systems for airport access services.
  • B. Tokyo Monorail 2000 series
    The Tokyo Monorail 2000 series is a fleet of electric multiple-unit monorail trains operating on the Tokyo Monorail line, designed to provide rapid, frequent service between central Tokyo and Haneda Airport.
  • C. Tokyo Metro 17000 series
    The Tokyo Metro 17000 series is a modern electric multiple unit train operated by Tokyo Metro, designed for through-services on lines such as the Fukutoshin and Yurakucho Lines with improved energy efficiency and passenger comfort.
  • D. Tokyo Metro 10000 series
    The Tokyo Metro 10000 series is a fleet of modern electric multiple unit trains operated by Tokyo Metro, known for serving through-services on several interconnected subway and private railway lines in the Tokyo area.
  • E. Tokyo Metro 1000 series
    The Tokyo Metro 1000 series is a modern electric multiple unit train used on Tokyo’s subway system, designed with retro-inspired styling that pays homage to the original Ginza Line cars while incorporating contemporary technology and comfort features.
  • 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_69ca82ad4e2c8190a693e3c9e30fe66f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3ecdbc5881909246982b93978841 completed March 31, 2026, 3:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccbe4211bc8190a784c19f11f17a39 completed April 1, 2026, 6:42 a.m.
NEDg Description generation batch_69ccc24a39f88190995f076d1a7ec3e7 completed April 1, 2026, 6:59 a.m.
NED2 Entity disambiguation (via description) batch_69ccc37f0ca88190b4e077f23dbbe6f8 completed April 1, 2026, 7:04 a.m.
Created at: March 30, 2026, 5:21 p.m.