Triple

T15125588
Position Surface form Disambiguated ID Type / Status
Subject Keikyū Airport Line E361280 entity
Predicate partOfNetwork P840 FINISHED
Object Keikyū network
The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
E1139382 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: Keikyū network | Statement: [Keikyū Airport Line, partOfNetwork, Keikyū network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keikyū network
Context triple: [Keikyū Airport Line, partOfNetwork, Keikyū network]
  • A. Keiō New Line
    The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
  • B. Keihan Electric Railway network
    The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
  • C. Eizan Cable
    Eizan Cable is a cable railway line in Kyoto, Japan, that transports passengers up the slopes of Mount Hiei.
  • D. Saitama Railway
    Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
  • E. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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: Keikyū network
Triple: [Keikyū Airport Line, partOfNetwork, Keikyū network]
Generated description
The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keikyū network
Target entity description: The Keikyū network is a private railway system in the Greater Tokyo area of Japan, known for its fast commuter and airport access services connecting central Tokyo with Yokohama and Haneda Airport.
  • A. Keiō New Line
    The Keiō New Line is a commuter railway line in Tokyo, Japan, operated by Keio Corporation and serving as an underground extension of the main Keio Line into central Tokyo.
  • B. Keihan Electric Railway network
    The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
  • C. Eizan Cable
    Eizan Cable is a cable railway line in Kyoto, Japan, that transports passengers up the slopes of Mount Hiei.
  • D. Saitama Railway
    Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
  • E. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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_69d85a06450081909c5a14ea9851a15e completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e005a1b9288190954f2d92549805e5 completed April 15, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69feb7f67f6c81909723c13255306668 completed May 9, 2026, 4:28 a.m.
NEDg Description generation batch_69feb988f17c81908ea237e413d4adb1 completed May 9, 2026, 4:35 a.m.
NED2 Entity disambiguation (via description) batch_69feba0d2ad081908f637740e8714cc1 completed May 9, 2026, 4:37 a.m.
Created at: April 10, 2026, 3:06 a.m.