Triple

T17782712
Position Surface form Disambiguated ID Type / Status
Subject Matsumoto, Nagano, Japan E443937 entity
Predicate partOf P40 FINISHED
Object Matsumoto Basin
Matsumoto Basin is a broad intermontane basin in Nagano Prefecture, Japan, encompassing the city of Matsumoto and surrounding lowland areas.
E1296682 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 Basin | Statement: [Matsumoto, Nagano, Japan, partOf, Matsumoto Basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Matsumoto Basin
Context triple: [Matsumoto, Nagano, Japan, partOf, Matsumoto Basin]
  • A. Yonezawa Basin
    Yonezawa Basin is an inland basin in Yamagata Prefecture, Japan, known for encompassing the city of Yonezawa and its surrounding agricultural and residential areas.
  • B. Kōfu Basin
    The Kōfu Basin is an inland lowland area in Yamanashi Prefecture, Japan, known for its surrounding mountains, fruit cultivation, and role as a major regional population and economic center.
  • C. Hitoyoshi Basin
    Hitoyoshi Basin is an inland lowland area in southern Japan known for its surrounding mountains, river terraces, and role as an agricultural and historical center of the region.
  • D. Yamagata Basin
    Yamagata Basin is a lowland plain in northern Japan known for its agricultural productivity and surrounding mountainous terrain.
  • E. Katsurahama
    Katsurahama is a scenic, crescent-shaped beach in Kōchi Prefecture, Japan, famed for its views of the Pacific Ocean and its statue of samurai hero Sakamoto Ryōma.
  • 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 Basin
Triple: [Matsumoto, Nagano, Japan, partOf, Matsumoto Basin]
Generated description
Matsumoto Basin is a broad intermontane basin in Nagano Prefecture, Japan, encompassing the city of Matsumoto and surrounding lowland areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Matsumoto Basin
Target entity description: Matsumoto Basin is a broad intermontane basin in Nagano Prefecture, Japan, encompassing the city of Matsumoto and surrounding lowland areas.
  • A. Yonezawa Basin
    Yonezawa Basin is an inland basin in Yamagata Prefecture, Japan, known for encompassing the city of Yonezawa and its surrounding agricultural and residential areas.
  • B. Kōfu Basin
    The Kōfu Basin is an inland lowland area in Yamanashi Prefecture, Japan, known for its surrounding mountains, fruit cultivation, and role as a major regional population and economic center.
  • C. Hitoyoshi Basin
    Hitoyoshi Basin is an inland lowland area in southern Japan known for its surrounding mountains, river terraces, and role as an agricultural and historical center of the region.
  • D. Yamagata Basin
    Yamagata Basin is a lowland plain in northern Japan known for its agricultural productivity and surrounding mountainous terrain.
  • E. Katsurahama
    Katsurahama is a scenic, crescent-shaped beach in Kōchi Prefecture, Japan, famed for its views of the Pacific Ocean and its statue of samurai hero Sakamoto Ryōma.
  • 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_69d8b9ef17708190bdf7e2adbf14ddc2 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4872260b881908e77096500451816 completed April 19, 2026, 7:41 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03211d93e081909aaa6287be791407 completed May 12, 2026, 12:46 p.m.
NEDg Description generation batch_6a032261fd1081909ba0b04db93d16da completed May 12, 2026, 12:51 p.m.
NED2 Entity disambiguation (via description) batch_6a03232d682c8190bb9b8773609c83c2 completed May 12, 2026, 12:55 p.m.
Created at: April 10, 2026, 10:12 a.m.