Triple

T2828155
Position Surface form Disambiguated ID Type / Status
Subject Kyoto Municipal Subway E54972 entity
Predicate hasLine P35 FINISHED
Object Tōzai Line
The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
 E514726 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: Tōzai Line | Statement: [Kyoto Municipal Subway, hasLine, Tōzai Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tōzai Line
Context triple: [Kyoto Municipal Subway, hasLine, Tōzai Line]
  • A. Tozai Line
    The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
  • B. Chuo Line
    The Chuo Line is a major rapid transit line in the Osaka Metro system that runs east–west through central Osaka, connecting key commercial and residential districts.
  • C. Keio Line
    The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
  • D. 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.
  • E. Keiyō Line
    The Keiyō Line is a JR East railway line in the Tokyo area that runs along Tokyo Bay, connecting central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
  • 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: Tōzai Line
Triple: [Kyoto Municipal Subway, hasLine, Tōzai Line]
Generated description
The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tōzai Line
Target entity description: The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
  • A. Tozai Line
    The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
  • B. Chuo Line
    The Chuo Line is a major rapid transit line in the Osaka Metro system that runs east–west through central Osaka, connecting key commercial and residential districts.
  • C. Keio Line
    The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
  • D. 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.
  • E. Keiyō Line
    The Keiyō Line is a JR East railway line in the Tokyo area that runs along Tokyo Bay, connecting central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
  • 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_69ab49e100c0819082a40cb797383243 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde95d8148190bcae8b0659a5c116 completed March 7, 2026, 8:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69bf28e228608190a531da6024803e1b completed March 21, 2026, 11:25 p.m.
NEDg Description generation batch_69bf29643ec88190b849eca03e6480c8 completed March 21, 2026, 11:27 p.m.
NED2 Entity disambiguation (via description) batch_69bf29bb3a9c8190827773c7057ce55a completed March 21, 2026, 11:28 p.m.
Created at: March 6, 2026, 9:59 p.m.