Triple

T16591875
Position Surface form Disambiguated ID Type / Status
Subject Yokohama Station E403108 entity
Predicate operator P179 FINISHED
Object Yokohama City Transportation Bureau
The Yokohama City Transportation Bureau is the municipal agency responsible for operating Yokohama’s public transit systems, including subways and buses.
 E1222217 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: Yokohama City Transportation Bureau | Statement: [Yokohama Station, operator, Yokohama City Transportation Bureau]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yokohama City Transportation Bureau
Context triple: [Yokohama Station, operator, Yokohama City Transportation Bureau]
  • A. Yokohama City Government
    The Yokohama City Government is the municipal authority responsible for administering and providing public services for the city of Yokohama, one of Japan’s largest and most important port cities.
  • B. Nagoya City Transportation Bureau
    The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
  • C. Yokohama Minatomirai Railway Company
    Yokohama Minatomirai Railway Company is a Japanese private railway operator that manages and operates the Minatomirai Line in Yokohama, Kanagawa Prefecture.
  • D. Tokyo Metropolitan Bureau of Transportation
    The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
  • E. Yokohama City Council
    The Yokohama City Council is the municipal legislative body responsible for enacting ordinances, approving budgets, and overseeing the administration of Japan’s second-largest city.
  • 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: Yokohama City Transportation Bureau
Triple: [Yokohama Station, operator, Yokohama City Transportation Bureau]
Generated description
The Yokohama City Transportation Bureau is the municipal agency responsible for operating Yokohama’s public transit systems, including subways and buses.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Yokohama City Transportation Bureau
Target entity description: The Yokohama City Transportation Bureau is the municipal agency responsible for operating Yokohama’s public transit systems, including subways and buses.
  • A. Yokohama City Government
    The Yokohama City Government is the municipal authority responsible for administering and providing public services for the city of Yokohama, one of Japan’s largest and most important port cities.
  • B. Nagoya City Transportation Bureau
    The Nagoya City Transportation Bureau is the municipal authority responsible for operating Nagoya’s public transit network, including its subway and bus systems.
  • C. Yokohama Minatomirai Railway Company
    Yokohama Minatomirai Railway Company is a Japanese private railway operator that manages and operates the Minatomirai Line in Yokohama, Kanagawa Prefecture.
  • D. Tokyo Metropolitan Bureau of Transportation
    The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
  • E. Yokohama City Council
    The Yokohama City Council is the municipal legislative body responsible for enacting ordinances, approving budgets, and overseeing the administration of Japan’s second-largest city.
  • 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_69d88387363c8190a97a0c942130de97 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e359a123e8819095cd73cd848a3345 completed April 18, 2026, 10:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a00759b9e5081909815d2cd00d44490 completed May 10, 2026, 12:10 p.m.
NEDg Description generation batch_6a007680bc7c81908c81ad690035ed47 completed May 10, 2026, 12:13 p.m.
NED2 Entity disambiguation (via description) batch_6a007734abd481909c9c698f2aef7632 completed May 10, 2026, 12:16 p.m.
Created at: April 10, 2026, 5:16 a.m.