Triple

T19065511
Position Surface form Disambiguated ID Type / Status
Subject Misawa, Aomori Prefecture, Japan E466645 entity
Predicate hasSisterCity P919 FINISHED
Object Matsudo, Chiba, Japan
Matsudo is a suburban city in Chiba Prefecture, Japan, located on the outskirts of Tokyo and known as a residential and commercial hub with convenient access to the capital.
 E1356935 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: Matsudo, Chiba, Japan | Statement: [Misawa, Aomori Prefecture, Japan, hasSisterCity, Matsudo, Chiba, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Matsudo, Chiba, Japan
Context triple: [Misawa, Aomori Prefecture, Japan, hasSisterCity, Matsudo, Chiba, Japan]
  • A. Miyoshi, Saitama, Japan
    Miyoshi is a town in Saitama Prefecture, Japan, located in the Greater Tokyo area and known primarily as a residential community with local agriculture and light industry.
  • B. Funabashi, Chiba, Japan
    Funabashi is a major city in Chiba Prefecture, Japan, located east of Tokyo and known as a commercial and residential hub in the Greater Tokyo Area.
  • C. Sakura, Chiba, Japan
    Sakura, Chiba, Japan is a city in Chiba Prefecture known for its historical samurai residences, cultural heritage sites, and proximity to the Tokyo metropolitan area.
  • D. Kashiwa, Chiba Prefecture, Japan
    Kashiwa is a city in Chiba Prefecture, Japan, known as a suburban academic and research hub within the Greater Tokyo area.
  • E. Mito, Ibaraki, Japan
    Mito, Ibaraki, Japan is the capital city of Ibaraki Prefecture, known for its historic Kairakuen Garden and cultural significance in the Kantō region.
  • 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: Matsudo, Chiba, Japan
Triple: [Misawa, Aomori Prefecture, Japan, hasSisterCity, Matsudo, Chiba, Japan]
Generated description
Matsudo is a suburban city in Chiba Prefecture, Japan, located on the outskirts of Tokyo and known as a residential and commercial hub with convenient access to the capital.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Matsudo, Chiba, Japan
Target entity description: Matsudo is a suburban city in Chiba Prefecture, Japan, located on the outskirts of Tokyo and known as a residential and commercial hub with convenient access to the capital.
  • A. Miyoshi, Saitama, Japan
    Miyoshi is a town in Saitama Prefecture, Japan, located in the Greater Tokyo area and known primarily as a residential community with local agriculture and light industry.
  • B. Funabashi, Chiba, Japan
    Funabashi is a major city in Chiba Prefecture, Japan, located east of Tokyo and known as a commercial and residential hub in the Greater Tokyo Area.
  • C. Sakura, Chiba, Japan
    Sakura, Chiba, Japan is a city in Chiba Prefecture known for its historical samurai residences, cultural heritage sites, and proximity to the Tokyo metropolitan area.
  • D. Kashiwa, Chiba Prefecture, Japan
    Kashiwa is a city in Chiba Prefecture, Japan, known as a suburban academic and research hub within the Greater Tokyo area.
  • E. Mito, Ibaraki, Japan
    Mito, Ibaraki, Japan is the capital city of Ibaraki Prefecture, known for its historic Kairakuen Garden and cultural significance in the Kantō region.
  • 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_69d8dd04f4488190b1121cc53ef2bfd6 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e198621481908618f65dd01746fc completed April 20, 2026, 8:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05d3586fc88190b7e48c4afb767a2a completed May 14, 2026, 1:51 p.m.
NEDg Description generation batch_6a05d430aabc8190bdf30a16700e2476 completed May 14, 2026, 1:54 p.m.
NED2 Entity disambiguation (via description) batch_6a05d4e41f108190a2d7a3a60d1e3b87 completed May 14, 2026, 1:57 p.m.
Created at: April 10, 2026, 12:03 p.m.