Triple

T13492250
Position Surface form Disambiguated ID Type / Status
Subject Atsuta-ku, Nagoya E320663 entity
Predicate hasTransport P1298 FINISHED
Object Nagoya Municipal Subway Meikō Line
The Nagoya Municipal Subway Meikō Line is a circular subway line in Nagoya, Japan, operated by the Transportation Bureau City of Nagoya, serving coastal and port-area districts including parts of Atsuta-ku.
 E1393545 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: Nagoya Municipal Subway Meikō Line | Statement: [Atsuta-ku, Nagoya, hasTransport, Nagoya Municipal Subway Meikō Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nagoya Municipal Subway Meikō Line
Context triple: [Atsuta-ku, Nagoya, hasTransport, Nagoya Municipal Subway Meikō Line]
  • A. Nagoya Municipal Subway Meijō Line
    The Nagoya Municipal Subway Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.
  • B. Nagoya Subway Tsurumai Line
    The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
  • C. Nagoya Subway Kamiiida Line
    The Nagoya Subway Kamiiida Line is a rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and connecting central Nagoya with the Kamiiida area in Aichi Prefecture.
  • D. Nagoya Subway Higashiyama Line
    The Nagoya Subway Higashiyama Line is a major rapid transit line in Nagoya, Japan, forming part of the city’s subway network and connecting key commercial and residential areas.
  • E. Nagoya Subway Sakura-dori Line
    The Nagoya Subway Sakura-dori Line is a major rapid transit line in Nagoya, Japan, running east–west through the city and operated by the Transportation Bureau of the City of Nagoya.
  • 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: Nagoya Municipal Subway Meikō Line
Triple: [Atsuta-ku, Nagoya, hasTransport, Nagoya Municipal Subway Meikō Line]
Generated description
The Nagoya Municipal Subway Meikō Line is a circular subway line in Nagoya, Japan, operated by the Transportation Bureau City of Nagoya, serving coastal and port-area districts including parts of Atsuta-ku.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nagoya Municipal Subway Meikō Line
Target entity description: The Nagoya Municipal Subway Meikō Line is a circular subway line in Nagoya, Japan, operated by the Transportation Bureau City of Nagoya, serving coastal and port-area districts including parts of Atsuta-ku.
  • A. Nagoya Municipal Subway Meijō Line
    The Nagoya Municipal Subway Meijō Line is a circular subway line in Nagoya, Japan, forming a loop around the city and connecting major commercial and residential districts.
  • B. Nagoya Subway Tsurumai Line
    The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
  • C. Nagoya Subway Kamiiida Line
    The Nagoya Subway Kamiiida Line is a rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and connecting central Nagoya with the Kamiiida area in Aichi Prefecture.
  • D. Nagoya Subway Higashiyama Line
    The Nagoya Subway Higashiyama Line is a major rapid transit line in Nagoya, Japan, forming part of the city’s subway network and connecting key commercial and residential areas.
  • E. Nagoya Subway Sakura-dori Line
    The Nagoya Subway Sakura-dori Line is a major rapid transit line in Nagoya, Japan, running east–west through the city and operated by the Transportation Bureau of the City of Nagoya.
  • 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_69d807629d6c8190998f1b9bb12d2ed0 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaf4c66008190b287e0551889d7c8 completed April 12, 2026, 2:42 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07bd4725608190b1af4b9d64e362a8 completed May 16, 2026, 12:41 a.m.
NEDg Description generation batch_6a07bdd25abc81908dac2444f7a9625e completed May 16, 2026, 12:44 a.m.
NED2 Entity disambiguation (via description) batch_6a07be58e4088190a01c67b21b5ca34d completed May 16, 2026, 12:46 a.m.
Created at: April 9, 2026, 9:43 p.m.