Triple

T3306318
Position Surface form Disambiguated ID Type / Status
Subject Sakishima Islands (Osaka) E69457 entity
Predicate transportConnection P1298 FINISHED
Object Osaka Metro Nankō Port Town Line
The Osaka Metro Nankō Port Town Line is an automated guideway transit line in Osaka that serves the city’s waterfront and port district, including the Sakishima area.
 E525315 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 Nankō Port Town Line | Statement: [Sakishima Islands (Osaka), transportConnection, Osaka Metro Nankō Port Town Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro Nankō Port Town Line
Context triple: [Sakishima Islands (Osaka), transportConnection, Osaka Metro Nankō Port Town 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 Metro Imazatosuji Line
    The Osaka Metro Imazatosuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting residential districts with major interchange hubs on the Osaka Metro network.
  • C. Osaka Metro Sakaisuji Line
    The Osaka Metro Sakaisuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting key commercial and residential districts.
  • D. Osaka Metro Yotsubashi Line
    The Osaka Metro Yotsubashi Line is a rapid transit line in Osaka, Japan, running north–south through central parts of the city as part of the Osaka Metro network.
  • E. Osaka Metro Nagahori Tsurumi-ryokuchi Line
    The Osaka Metro Nagahori Tsurumi-ryokuchi Line is a major automated subway line in Osaka, Japan, running east–west through central and northeastern parts of the city and connecting key commercial and residential districts.
  • 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 Nankō Port Town Line
Triple: [Sakishima Islands (Osaka), transportConnection, Osaka Metro Nankō Port Town Line]
Generated description
The Osaka Metro Nankō Port Town Line is an automated guideway transit line in Osaka that serves the city’s waterfront and port district, including the Sakishima area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Osaka Metro Nankō Port Town Line
Target entity description: The Osaka Metro Nankō Port Town Line is an automated guideway transit line in Osaka that serves the city’s waterfront and port district, including the Sakishima area.
  • 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 Metro Imazatosuji Line
    The Osaka Metro Imazatosuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting residential districts with major interchange hubs on the Osaka Metro network.
  • C. Osaka Metro Sakaisuji Line
    The Osaka Metro Sakaisuji Line is a rapid transit line in Osaka, Japan, running north–south through the city and connecting key commercial and residential districts.
  • D. Osaka Metro Yotsubashi Line
    The Osaka Metro Yotsubashi Line is a rapid transit line in Osaka, Japan, running north–south through central parts of the city as part of the Osaka Metro network.
  • E. Osaka Metro Nagahori Tsurumi-ryokuchi Line
    The Osaka Metro Nagahori Tsurumi-ryokuchi Line is a major automated subway line in Osaka, Japan, running east–west through central and northeastern parts of the city and connecting key commercial and residential districts.
  • 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_69ad859f218081909458d2cebbf57565 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb0caa0988190872fc7648e64571f completed March 8, 2026, 5:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf88d99da08190996996079b947498 completed March 22, 2026, 6:14 a.m.
NEDg Description generation batch_69bf894ab574819099d492e61647002a completed March 22, 2026, 6:16 a.m.
NED2 Entity disambiguation (via description) batch_69bf89e673e0819095e1ed3e45c27ac7 completed March 22, 2026, 6:19 a.m.
Created at: March 8, 2026, 3:11 p.m.