Triple

T1860674
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metro E34803 entity
Predicate operatesLine P15252 FINISHED
Object Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
 E401663 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: Hanzomon Line | Statement: [Tokyo Metro, operatesLine, Hanzomon Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hanzomon Line
Context triple: [Tokyo Metro, operatesLine, Hanzomon Line]
  • A. Hibiya Line
    The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
  • B. Tanimachi Line
    The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
  • C. Keio Inokashira Line
    The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
  • D. Yotsubashi Line
    The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
  • E. Toei Mita Line
    The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
  • 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: Hanzomon Line
Triple: [Tokyo Metro, operatesLine, Hanzomon Line]
Generated description
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hanzomon Line
Target entity description: The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
  • A. Hibiya Line
    The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
  • B. Tanimachi Line
    The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
  • C. Keio Inokashira Line
    The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
  • D. Yotsubashi Line
    The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
  • E. Toei Mita Line
    The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
  • 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_69a88600b2f88190bc09303e68ab517e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abb09caee881908efe8aa38471298c completed March 7, 2026, 4:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5334e25ec819090bdefaef44e849b completed March 14, 2026, 10:07 a.m.
NEDg Description generation batch_69b5345b408c8190a68c530edd1efb1f completed March 14, 2026, 10:11 a.m.
NED2 Entity disambiguation (via description) batch_69b5351fe4d081909c606f2ced0efbdc completed March 14, 2026, 10:14 a.m.
Created at: March 4, 2026, 7:34 p.m.