Triple

T22503039
Position Surface form Disambiguated ID Type / Status
Subject Matsumoto Performing Arts Centre E556322 entity
Predicate regionServed P82 FINISHED
Object Matsumoto metropolitan area
The Matsumoto metropolitan area is an urban region in Nagano Prefecture, Japan, centered on the city of Matsumoto and known for its cultural institutions, historical sites, and role as a regional economic hub.
 E1546831 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: Matsumoto metropolitan area | Statement: [Matsumoto Performing Arts Centre, regionServed, Matsumoto metropolitan area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Matsumoto metropolitan area
Context triple: [Matsumoto Performing Arts Centre, regionServed, Matsumoto metropolitan area]
  • A. Nagano metropolitan area
    The Nagano metropolitan area is an urban region in central Japan centered on the city of Nagano, known for its historical temples, surrounding mountains, and role as a regional economic and transportation hub.
  • B. Yamagata metropolitan area
    The Yamagata metropolitan area is an urban and economic region in Yamagata Prefecture, Japan, centered on the city of Yamagata and its surrounding municipalities.
  • C. Kanazawa metropolitan area
    The Kanazawa metropolitan area is an urban region in Ishikawa Prefecture, Japan, centered on the historic city of Kanazawa and its surrounding municipalities.
  • D. Shizuoka metropolitan area
    The Shizuoka metropolitan area is an urban and economic region in central Japan centered on the city of Shizuoka, known for its manufacturing, tea production, and proximity to Mount Fuji and Suruga Bay.
  • E. Nagasaki metropolitan area
    The Nagasaki metropolitan area is an urban region in western Kyushu centered on the historic port city of Nagasaki and encompassing surrounding municipalities such as Ōmura.
  • 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: Matsumoto metropolitan area
Triple: [Matsumoto Performing Arts Centre, regionServed, Matsumoto metropolitan area]
Generated description
The Matsumoto metropolitan area is an urban region in Nagano Prefecture, Japan, centered on the city of Matsumoto and known for its cultural institutions, historical sites, and role as a regional economic hub.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Matsumoto metropolitan area
Target entity description: The Matsumoto metropolitan area is an urban region in Nagano Prefecture, Japan, centered on the city of Matsumoto and known for its cultural institutions, historical sites, and role as a regional economic hub.
  • A. Nagano metropolitan area
    The Nagano metropolitan area is an urban region in central Japan centered on the city of Nagano, known for its historical temples, surrounding mountains, and role as a regional economic and transportation hub.
  • B. Yamagata metropolitan area
    The Yamagata metropolitan area is an urban and economic region in Yamagata Prefecture, Japan, centered on the city of Yamagata and its surrounding municipalities.
  • C. Kanazawa metropolitan area
    The Kanazawa metropolitan area is an urban region in Ishikawa Prefecture, Japan, centered on the historic city of Kanazawa and its surrounding municipalities.
  • D. Shizuoka metropolitan area
    The Shizuoka metropolitan area is an urban and economic region in central Japan centered on the city of Shizuoka, known for its manufacturing, tea production, and proximity to Mount Fuji and Suruga Bay.
  • E. Nagasaki metropolitan area
    The Nagasaki metropolitan area is an urban region in western Kyushu centered on the historic port city of Nagasaki and encompassing surrounding municipalities such as Ōmura.
  • 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_69e11e555edc81909ca803587dafd747 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15d5a01888190ba65a05616b63cbe completed April 29, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b584aaaec8190a1241a48ddc7ca73 completed May 18, 2026, 6:19 p.m.
NEDg Description generation batch_6a0b6f5b85548190bd54f5a13dd27c5d completed May 18, 2026, 7:58 p.m.
NED2 Entity disambiguation (via description) batch_6a0b7072e43c8190ad8f8d09f61d3f7b completed May 18, 2026, 8:02 p.m.
Created at: April 16, 2026, 8:50 p.m.