Triple

T509595
Position Surface form Disambiguated ID Type / Status
Subject Shin-Osaka Station E10575 entity
Predicate servedByLine P1293 FINISHED
Object Osaka Metro Midosuji Line
The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
 E66221 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: Osaka Metro Midosuji Line | Statement: [Shin-Osaka Station, servedByLine, Osaka Metro Midosuji Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro Midosuji Line
Context triple: [Shin-Osaka Station, servedByLine, Osaka Metro Midosuji Line]
  • A. Osaka Metro Sennichimae Line
    The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
  • B. Osaka Loop Line
    The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
  • C. Osaka Higashi Line
    The Osaka Higashi Line is a railway line in Osaka, Japan, operated by JR West that runs north–south through the eastern part of the city, connecting major hubs and suburban areas.
  • D. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • E. Hankyu Kyoto Main Line
    The Hankyu Kyoto Main Line is a major private railway line in Japan operated by Hankyu Railway, connecting Osaka and Kyoto through several suburban cities.
  • 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: Osaka Metro Midosuji Line
Triple: [Shin-Osaka Station, servedByLine, Osaka Metro Midosuji Line]
Generated description
The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro Midosuji Line
Target entity description: The Osaka Metro Midosuji Line is a major north–south subway line in Osaka, Japan, forming the city’s primary transit backbone and connecting key commercial and transport hubs.
  • A. Osaka Metro Sennichimae Line
    The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
  • B. Osaka Loop Line
    The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
  • C. Osaka Higashi Line
    The Osaka Higashi Line is a railway line in Osaka, Japan, operated by JR West that runs north–south through the eastern part of the city, connecting major hubs and suburban areas.
  • D. Osaka Metro
    Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
  • E. Hankyu Kyoto Main Line
    The Hankyu Kyoto Main Line is a major private railway line in Japan operated by Hankyu Railway, connecting Osaka and Kyoto through several suburban cities.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f164a9d48190b525a97b5c06ffe2 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4b5d3b5f0819093c5d55bdf5a7c4d completed March 1, 2026, 9:55 p.m.
NEDg Description generation batch_69a4b673f5dc8190a70b7ddcf76ec016 completed March 1, 2026, 9:58 p.m.
NED2 Entity disambiguation (via description) batch_69a4b79ec4b48190b992f642aa7cddb7 completed March 1, 2026, 10:03 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.