Triple

T23453409
Position Surface form Disambiguated ID Type / Status
Subject Nagoya Municipal Subway Meijō Line E567847 entity
Predicate depot P14646 FINISHED
Object Nagoya Municipal Subway Fujigaoka Depot
Nagoya Municipal Subway Fujigaoka Depot is a maintenance and storage facility serving Nagoya’s subway network, particularly supporting operations on the Meijō Line.
 E1586678 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 Fujigaoka Depot | Statement: [Nagoya Municipal Subway Meijō Line, depot, Nagoya Municipal Subway Fujigaoka Depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nagoya Municipal Subway Fujigaoka Depot
Context triple: [Nagoya Municipal Subway Meijō Line, depot, Nagoya Municipal Subway Fujigaoka Depot]
  • A. Yotsubashi Line depot
    Yotsubashi Line depot is a maintenance and storage facility serving Osaka Metro’s Yotsubashi Line rolling stock.
  • B. Tsurumi-ryokuchi Depot
    Tsurumi-ryokuchi Depot is a maintenance and storage facility for trains serving Osaka’s Nagahori Tsurumi-ryokuchi Line.
  • C. Tachikawa Depot
    Tachikawa Depot is the main maintenance and storage facility serving the Tama Toshi Monorail Line in Tachikawa, Tokyo, Japan.
  • D. Nakano Depot
    Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
  • E. Fukagawa Depot
    Fukagawa Depot is a major Tokyo Metro maintenance and storage facility serving trains on the Tozai Line.
  • 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 Fujigaoka Depot
Triple: [Nagoya Municipal Subway Meijō Line, depot, Nagoya Municipal Subway Fujigaoka Depot]
Generated description
Nagoya Municipal Subway Fujigaoka Depot is a maintenance and storage facility serving Nagoya’s subway network, particularly supporting operations on the Meijō Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nagoya Municipal Subway Fujigaoka Depot
Target entity description: Nagoya Municipal Subway Fujigaoka Depot is a maintenance and storage facility serving Nagoya’s subway network, particularly supporting operations on the Meijō Line.
  • A. Yotsubashi Line depot
    Yotsubashi Line depot is a maintenance and storage facility serving Osaka Metro’s Yotsubashi Line rolling stock.
  • B. Tsurumi-ryokuchi Depot
    Tsurumi-ryokuchi Depot is a maintenance and storage facility for trains serving Osaka’s Nagahori Tsurumi-ryokuchi Line.
  • C. Tachikawa Depot
    Tachikawa Depot is the main maintenance and storage facility serving the Tama Toshi Monorail Line in Tachikawa, Tokyo, Japan.
  • D. Nakano Depot
    Nakano Depot is a major Tokyo Metro facility used for the storage, inspection, and maintenance of Marunouchi Line trains.
  • E. Fukagawa Depot
    Fukagawa Depot is a major Tokyo Metro maintenance and storage facility serving trains on the Tozai Line.
  • 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_69e2458b4c888190b1d7998f9862a558 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f1a694f19081909117bc9b10ca8a83 completed April 29, 2026, 6:35 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c67c0c2d081909da467271800b69d completed May 19, 2026, 1:38 p.m.
NEDg Description generation batch_6a0c7218a358819082d8b19b57b61013 completed May 19, 2026, 2:22 p.m.
NED2 Entity disambiguation (via description) batch_6a0c76ed37b08190af81b4ae2dc7c028 completed May 19, 2026, 2:42 p.m.
Created at: April 17, 2026, 5:52 p.m.