Triple

T15525334
Position Surface form Disambiguated ID Type / Status
Subject Ōshū, Iwate, Japan E369067 entity
Predicate formedByMergerOf P77 FINISHED
Object Mizusawa, Iwate
Mizusawa, Iwate was a former city in Iwate Prefecture, Japan, that became part of the modern city of Ōshū through municipal merger.
 E598300 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: Mizusawa, Iwate | Statement: [Ōshū, Iwate, Japan, formedByMergerOf, Mizusawa, Iwate]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mizusawa, Iwate
Context triple: [Ōshū, Iwate, Japan, formedByMergerOf, Mizusawa, Iwate]
  • A. Kitakami, Iwate
    Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
  • B. Koromogawa, Iwate
    Koromogawa, Iwate was a former municipality in Iwate Prefecture, Japan, that was incorporated into the city of Ōshū during a municipal merger.
  • C. Tono, Iwate
    Tono, Iwate is a rural city in Iwate Prefecture, Japan, famed for its rich folklore traditions and as the setting of the classic collection "Tono Monogatari."
  • D. Ōshū, Iwate
    Ōshū, Iwate is a city in Iwate Prefecture, Japan, known for its historical sites, agricultural production, and scenic rural landscapes.
  • E. Yonezawa, Yamagata
    Yonezawa, Yamagata is a city in Yamagata Prefecture, Japan, known for its historic castle town heritage, Yonezawa beef, and connections to the Uesugi samurai clan.
  • 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: Mizusawa, Iwate
Triple: [Ōshū, Iwate, Japan, formedByMergerOf, Mizusawa, Iwate]
Generated description
Mizusawa, Iwate was a former city in Iwate Prefecture, Japan, that became part of the modern city of Ōshū through municipal merger.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mizusawa, Iwate
Target entity description: Mizusawa, Iwate was a former city in Iwate Prefecture, Japan, that became part of the modern city of Ōshū through municipal merger.
  • A. Kitakami, Iwate
    Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
  • B. Koromogawa, Iwate
    Koromogawa, Iwate was a former municipality in Iwate Prefecture, Japan, that was incorporated into the city of Ōshū during a municipal merger.
  • C. Tono, Iwate
    Tono, Iwate is a rural city in Iwate Prefecture, Japan, famed for its rich folklore traditions and as the setting of the classic collection "Tono Monogatari."
  • D. Ōshū, Iwate chosen
    Ōshū, Iwate is a city in Iwate Prefecture, Japan, known for its historical sites, agricultural production, and scenic rural landscapes.
  • E. Yonezawa, Yamagata
    Yonezawa, Yamagata is a city in Yamagata Prefecture, Japan, known for its historic castle town heritage, Yonezawa beef, and connections to the Uesugi samurai clan.
  • F. None of above.

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_69d85a1794cc8190b0b428716296e63e completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e04145178481909fb0339a79d4239e completed April 16, 2026, 1:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff5f2d4b1c81909ff876289db20803 completed May 9, 2026, 4:22 p.m.
NEDg Description generation batch_69ff604e1b0c819092fc17b00f5797b3 completed May 9, 2026, 4:26 p.m.
NED2 Entity disambiguation (via description) batch_69ff60fb6f048190b02917a4f2f1a83d completed May 9, 2026, 4:29 p.m.
Created at: April 10, 2026, 4:05 a.m.