Triple

T9942851
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metropolitan Bureau of Transportation E194125 entity
Predicate operates P24 FINISHED
Object Toei Bus
Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
E830745 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: Toei Bus | Statement: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toei Bus
Context triple: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
  • A. Odakyu Bus
    Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
  • B. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • 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. 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.
  • E. Nishitetsu bus network
    The Nishitetsu bus network is a major public bus system in Fukuoka and surrounding areas of Kyushu, operated by Nishi-Nippon Railroad, providing extensive urban and regional transit services.
  • 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: Toei Bus
Triple: [Tokyo Metropolitan Bureau of Transportation, operates, Toei Bus]
Generated description
Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Toei Bus
Target entity description: Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
  • A. Odakyu Bus
    Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
  • B. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • 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. 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.
  • E. Nishitetsu bus network
    The Nishitetsu bus network is a major public bus system in Fukuoka and surrounding areas of Kyushu, operated by Nishi-Nippon Railroad, providing extensive urban and regional transit services.
  • 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_69ca82e409348190a393777356b80a2a completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb6124a188190b41feadb7b2f8922 completed April 2, 2026, 12:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69d22911a9ac81909caa2afb30e4860b completed April 5, 2026, 9:19 a.m.
NEDg Description generation batch_69d22ad44b748190a774a2b2f8d5fabf completed April 5, 2026, 9:26 a.m.
NED2 Entity disambiguation (via description) batch_69d22b37ce8481909a52a144605d44a4 completed April 5, 2026, 9:28 a.m.
Created at: March 30, 2026, 8:45 p.m.