Triple

T11143074
Position Surface form Disambiguated ID Type / Status
Subject Yurakucho Station E263602 entity
Predicate fareZone P844 FINISHED
Object Tokyo Metro zone
Tokyo Metro zone is the fare classification system used by Tokyo Metro to determine ticket prices and passes across its subway network in Tokyo, Japan.
 E907647 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: Tokyo Metro zone | Statement: [Yurakucho Station, fareZone, Tokyo Metro zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyo Metro zone
Context triple: [Yurakucho Station, fareZone, Tokyo Metro zone]
  • A. Yamanote area
    The Yamanote area is a major urban district in Tokyo encompassing several key commercial and entertainment hubs along the JR Yamanote Line.
  • B. Yokohama Station area
    The Yokohama Station area is a major commercial and transportation hub in Yokohama, known for its extensive shopping complexes, office buildings, and one of Japan’s busiest railway stations.
  • C. Tokyo Metro
    Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
  • D. Tokyo Metro Ginza Line
    The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
  • E. Tokyo Metro Hibiya Line
    The Tokyo Metro Hibiya Line is a major Tokyo subway line running through central districts such as Chiyoda, Minato, and Taito, providing key commuter and interline connections across the 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: Tokyo Metro zone
Triple: [Yurakucho Station, fareZone, Tokyo Metro zone]
Generated description
Tokyo Metro zone is the fare classification system used by Tokyo Metro to determine ticket prices and passes across its subway network in Tokyo, Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tokyo Metro zone
Target entity description: Tokyo Metro zone is the fare classification system used by Tokyo Metro to determine ticket prices and passes across its subway network in Tokyo, Japan.
  • A. Yamanote area
    The Yamanote area is a major urban district in Tokyo encompassing several key commercial and entertainment hubs along the JR Yamanote Line.
  • B. Yokohama Station area
    The Yokohama Station area is a major commercial and transportation hub in Yokohama, known for its extensive shopping complexes, office buildings, and one of Japan’s busiest railway stations.
  • C. Tokyo Metro
    Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
  • D. Tokyo Metro Ginza Line
    The Tokyo Metro Ginza Line is one of Tokyo’s oldest and most central subway lines, running east–west through major commercial and business districts including Shibuya and Ginza.
  • E. Tokyo Metro Hibiya Line
    The Tokyo Metro Hibiya Line is a major Tokyo subway line running through central districts such as Chiyoda, Minato, and Taito, providing key commuter and interline connections across the 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_69d6aa9c0ba08190bbd19c217489b755 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e8623158819096ad1678fa9e72bb completed April 9, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69e44215513481908909ce4289aabca6 completed April 19, 2026, 2:46 a.m.
NEDg Description generation batch_69e44c09dd5c8190bddf3dd109a639ba completed April 19, 2026, 3:29 a.m.
NED2 Entity disambiguation (via description) batch_69e451274ce48190a05f1d37f972c36c completed April 19, 2026, 3:51 a.m.
Created at: April 8, 2026, 9:28 p.m.