Triple

T10062370
Position Surface form Disambiguated ID Type / Status
Subject National Museum of Western Art E213022 entity
Predicate founderOfCollection P104 FINISHED
Object Kōjirō Matsukata
Kōjirō Matsukata was a prominent early 20th-century Japanese industrialist and art collector whose extensive Western art collection became the foundation of Japan’s National Museum of Western Art.
E987940 NE FINISHED

How this triple was built (5 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: Kōjirō Matsukata | Statement: [National Museum of Western Art, founderOfCollection, Kōjirō Matsukata]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kōjirō Matsukata
Context triple: [National Museum of Western Art, founderOfCollection, Kōjirō Matsukata]
  • A. Satō Norikiyo
    Satō Norikiyo, better known by his monastic name Saigyō, was a prominent 12th-century Japanese poet and Buddhist monk celebrated for his deeply reflective waka poetry on nature and impermanence.
  • B. Yoshida Shigeru
    Yoshida Shigeru was a prominent Japanese diplomat and postwar prime minister who played a key role in Japan’s recovery and alignment with the West after World War II.
  • C. Kakuei Tanaka
    Kakuei Tanaka was a powerful and controversial Japanese prime minister and political kingmaker who dominated postwar politics through his influence within the Liberal Democratic Party.
  • D. Raizō Tanaka
    Raizō Tanaka was a prominent Imperial Japanese Navy admiral and destroyer squadron commander in World War II, renowned for his aggressive night-fighting tactics in the Solomon Islands campaign.
  • E. Matsudaira Takechiyo
    Matsudaira Takechiyo was the childhood name of Tokugawa Ieyasu, the powerful daimyo who unified Japan and founded the Tokugawa shogunate.
  • 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: Kōjirō Matsukata
Triple: [National Museum of Western Art, founderOfCollection, Kōjirō Matsukata]
Generated description
Kōjirō Matsukata was a prominent early 20th-century Japanese industrialist and art collector whose extensive Western art collection became the foundation of Japan’s National Museum of Western Art.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kōjirō Matsukata
Target entity description: Kōjirō Matsukata was a prominent early 20th-century Japanese industrialist and art collector whose extensive Western art collection became the foundation of Japan’s National Museum of Western Art.
  • A. Satō Norikiyo
    Satō Norikiyo, better known by his monastic name Saigyō, was a prominent 12th-century Japanese poet and Buddhist monk celebrated for his deeply reflective waka poetry on nature and impermanence.
  • B. Yoshida Shigeru
    Yoshida Shigeru was a prominent Japanese diplomat and postwar prime minister who played a key role in Japan’s recovery and alignment with the West after World War II.
  • C. Kakuei Tanaka
    Kakuei Tanaka was a powerful and controversial Japanese prime minister and political kingmaker who dominated postwar politics through his influence within the Liberal Democratic Party.
  • D. Raizō Tanaka
    Raizō Tanaka was a prominent Imperial Japanese Navy admiral and destroyer squadron commander in World War II, renowned for his aggressive night-fighting tactics in the Solomon Islands campaign.
  • E. Matsudaira Takechiyo
    Matsudaira Takechiyo was the childhood name of Tokugawa Ieyasu, the powerful daimyo who unified Japan and founded the Tokugawa shogunate.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: founderOfCollection
Context triple: [National Museum of Western Art, founderOfCollection, Kōjirō Matsukata]
  • A. collectedBy
    Indicates that one entity has gathered, acquired, or assembled another entity, typically as part of a collection or data-gathering process.
  • B. founderKnownFor
    Indicates that a founder is particularly recognized or notable for a specific work, achievement, product, or contribution.
  • C. wasFoundedBy
    Indicates that an organization, institution, or entity came into existence through the initiating action or establishment by a specific founder or founding group.
  • D. currentFounder
    Indicates that an entity is a present, active founder of another entity (such as an organization or company).
  • E. founder chosen
    Indicates that an entity established, created, or started another entity such as an organization, institution, or company.
  • F. None of above.

Provenance (6 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_69ca83977128819084084eb7d1d8c52a completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cdcfd3c6bc8190a21ed3566f9c08d1 completed April 2, 2026, 2:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69f64b78e7ec819093e5e631197ed295 completed May 2, 2026, 7:07 p.m.
NEDg Description generation batch_69f64c535c9881908e5bf07d13fa73c5 completed May 2, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69f6508afef08190ac7a19b1ee90141e completed May 2, 2026, 7:29 p.m.
PD Predicate disambiguation batch_69cd4b92573481909389bc6148ae7ea8 completed April 1, 2026, 4:45 p.m.
Created at: March 30, 2026, 8:58 p.m.