Triple

T6203637
Position Surface form Disambiguated ID Type / Status
Subject Keio Corporation E138695 entity
Predicate ownsSubsidiary P9212 FINISHED
Object Keio Bus Chuo
Keio Bus Chuo is a Japanese bus company operating local and intercity routes in the Tokyo metropolitan area as part of the Keio Group’s transportation network.
E168932 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: Keio Bus Chuo | Statement: [Keio Corporation, ownsSubsidiary, Keio Bus Chuo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keio Bus Chuo
Context triple: [Keio Corporation, ownsSubsidiary, Keio Bus Chuo]
  • A. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • B. Keio Line bus services
    Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
  • C. Kyoto City Bus
    Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
  • D. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • E. Kōtetsu
    Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
  • 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: Keio Bus Chuo
Triple: [Keio Corporation, ownsSubsidiary, Keio Bus Chuo]
Generated description
Keio Bus Chuo is a Japanese bus company operating local and intercity routes in the Tokyo metropolitan area as part of the Keio Group’s transportation network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keio Bus Chuo
Target entity description: Keio Bus Chuo is a Japanese bus company operating local and intercity routes in the Tokyo metropolitan area as part of the Keio Group’s transportation network.
  • A. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • B. Keio Line bus services chosen
    Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
  • C. Kyoto City Bus
    Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
  • D. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • E. Kōtetsu
    Kōtetsu was an ironclad warship of the Imperial Japanese Navy that played a decisive role in ending the Boshin War and symbolized Japan’s early naval modernization.
  • F. None of above.

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_69c008acbea48190991c6b834bb45d65 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0626c23f481909d2b5b0a75c2ffff completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c518f798d8819080f5dc1bb988b3df completed March 26, 2026, 11:31 a.m.
NEDg Description generation batch_69c52cb4b888819087cc98ed57184ff9 completed March 26, 2026, 12:55 p.m.
NED2 Entity disambiguation (via description) batch_69c5840fe7d481908d75f8572d117364 completed March 26, 2026, 7:08 p.m.
Created at: March 22, 2026, 4:20 p.m.