Triple

T186240
Position Surface form Disambiguated ID Type / Status
Subject Shibuya, Tokyo, Japan E3985 entity
Predicate servedByRailLine P1293 FINISHED
Object Tokyo Metro Hanzomon Line
The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
E25185 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 Hanzomon Line | Statement: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Hanzomon Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Hanzomon Line
Context triple: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Hanzomon Line]
  • A. 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.
  • B. Central Subway
    Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
  • C. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • D. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • E. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • 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 Hanzomon Line
Triple: [Shibuya, Tokyo, Japan, servedByRailLine, Tokyo Metro Hanzomon Line]
Generated description
The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tokyo Metro Hanzomon Line
Target entity description: The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
  • A. 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.
  • B. Central Subway
    Central Subway is a light rail extension of San Francisco’s Muni Metro system that provides improved north–south transit service, including a key connection to the Chinatown neighborhood.
  • C. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • D. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • E. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a2594809288190b3d3b1283e7e0d00 completed Feb. 28, 2026, 2:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3161ab0548190b4c0ed74a79cea46 completed Feb. 28, 2026, 4:21 p.m.
NEDg Description generation batch_69a3167fb4b081908fc448e45b80c5c0 completed Feb. 28, 2026, 4:23 p.m.
NED2 Entity disambiguation (via description) batch_69a31a2b3f388190b54ee9c5c2bcad79 completed Feb. 28, 2026, 4:39 p.m.
Created at: Feb. 28, 2026, 2:40 a.m.