Triple

T21391680
Position Surface form Disambiguated ID Type / Status
Subject Nankō Port Town Line E527667 entity
Predicate partOf P40 FINISHED
Object Osaka Metro New Tram
Osaka Metro New Tram is an automated guideway transit system in Osaka, Japan, operating rubber-tired trains primarily serving the city’s waterfront and port areas.
 E1482093 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: Osaka Metro New Tram | Statement: [Nankō Port Town Line, partOf, Osaka Metro New Tram]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro New Tram
Context triple: [Nankō Port Town Line, partOf, Osaka Metro New Tram]
  • A. Osaka Monorail 2000 series
    The Osaka Monorail 2000 series is a fleet of modern electric monorail trains used for urban passenger service on the Osaka Monorail network in Japan.
  • B. Osaka Monorail
    Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
  • C. Osaka Municipal Subway 10 series
    The Osaka Municipal Subway 10 series was a fleet of electric multiple unit trains that operated on Osaka’s subway network before being replaced by newer rolling stock.
  • D. Osaka Metro 30000 series
    The Osaka Metro 30000 series is a modern electric multiple unit train type operated by Osaka Metro, featuring air conditioning, energy-efficient systems, and improved passenger comfort for urban subway services.
  • E. Osaka Metro 24 series
    The Osaka Metro 24 series is a type of electric multiple unit train used for urban rapid transit services on Osaka’s subway network.
  • 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: Osaka Metro New Tram
Triple: [Nankō Port Town Line, partOf, Osaka Metro New Tram]
Generated description
Osaka Metro New Tram is an automated guideway transit system in Osaka, Japan, operating rubber-tired trains primarily serving the city’s waterfront and port areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro New Tram
Target entity description: Osaka Metro New Tram is an automated guideway transit system in Osaka, Japan, operating rubber-tired trains primarily serving the city’s waterfront and port areas.
  • A. Osaka Monorail 2000 series
    The Osaka Monorail 2000 series is a fleet of modern electric monorail trains used for urban passenger service on the Osaka Monorail network in Japan.
  • B. Osaka Monorail
    Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
  • C. Osaka Municipal Subway 10 series
    The Osaka Municipal Subway 10 series was a fleet of electric multiple unit trains that operated on Osaka’s subway network before being replaced by newer rolling stock.
  • D. Osaka Metro 30000 series
    The Osaka Metro 30000 series is a modern electric multiple unit train type operated by Osaka Metro, featuring air conditioning, energy-efficient systems, and improved passenger comfort for urban subway services.
  • E. Osaka Metro 24 series
    The Osaka Metro 24 series is a type of electric multiple unit train used for urban rapid transit services on Osaka’s subway network.
  • 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_69e0b51ff3748190935c0a513c62a12b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69ee62cbfef08190a33ac1f198c82cd0 completed April 26, 2026, 7:09 p.m.
NED1 Entity disambiguation (via context triple) batch_6a09bb481ba48190b6d21a51ae23a281 completed May 17, 2026, 12:57 p.m.
NEDg Description generation batch_6a09bea2b9788190b41d3da0b5f3329e completed May 17, 2026, 1:12 p.m.
NED2 Entity disambiguation (via description) batch_6a09bf3466848190b2a5793f5f51efd7 completed May 17, 2026, 1:14 p.m.
Created at: April 16, 2026, 5:13 p.m.