Triple

T17662897
Position Surface form Disambiguated ID Type / Status
Subject Obayashi Corporation E440296 entity
Predicate foundedBy P104 FINISHED
Object Yoshigoro Obayashi
Yoshigoro Obayashi was a Japanese entrepreneur best known as the founder of Obayashi Corporation, one of Japan’s major construction and engineering companies.
 E1304650 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: Yoshigoro Obayashi | Statement: [Obayashi Corporation, foundedBy, Yoshigoro Obayashi]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yoshigoro Obayashi
Context triple: [Obayashi Corporation, foundedBy, Yoshigoro Obayashi]
  • A. Shunji Izaki
    Shunji Izaki was an Imperial Japanese Navy officer who commanded Japanese forces during World War II, notably in the Pacific theater.
  • B. Yasujiro Tsutsumi
    Yasujiro Tsutsumi was a powerful Japanese businessman and politician who built a vast corporate empire, including the Seibu Group, and became one of the wealthiest individuals in postwar Japan.
  • C. Tsukada Hideo
    Tsukada Hideo is a Japanese individual notable enough to be recognized as a prominent bearer of the surname Tsukada.
  • D. Shunji Suzuki
    Shunji Suzuki is a Japanese individual notable enough to be specifically distinguished from others sharing the surname Suzuki, though detailed public information about his achievements is limited.
  • E. Hideo Oguni
    Hideo Oguni was a prominent Japanese screenwriter best known for his collaborations with director Akira Kurosawa on several classic films.
  • 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: Yoshigoro Obayashi
Triple: [Obayashi Corporation, foundedBy, Yoshigoro Obayashi]
Generated description
Yoshigoro Obayashi was a Japanese entrepreneur best known as the founder of Obayashi Corporation, one of Japan’s major construction and engineering companies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Yoshigoro Obayashi
Target entity description: Yoshigoro Obayashi was a Japanese entrepreneur best known as the founder of Obayashi Corporation, one of Japan’s major construction and engineering companies.
  • A. Shunji Izaki
    Shunji Izaki was an Imperial Japanese Navy officer who commanded Japanese forces during World War II, notably in the Pacific theater.
  • B. Yasujiro Tsutsumi
    Yasujiro Tsutsumi was a powerful Japanese businessman and politician who built a vast corporate empire, including the Seibu Group, and became one of the wealthiest individuals in postwar Japan.
  • C. Tsukada Hideo
    Tsukada Hideo is a Japanese individual notable enough to be recognized as a prominent bearer of the surname Tsukada.
  • D. Shunji Suzuki
    Shunji Suzuki is a Japanese individual notable enough to be specifically distinguished from others sharing the surname Suzuki, though detailed public information about his achievements is limited.
  • E. Hideo Oguni
    Hideo Oguni was a prominent Japanese screenwriter best known for his collaborations with director Akira Kurosawa on several classic films.
  • 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_69d8b9e87e18819087104a44dc4dc5b1 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e46ea73c90819087a23a7b6171f581 completed April 19, 2026, 5:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a035d74c65c8190ac966c1fb96b0ce1 completed May 12, 2026, 5:03 p.m.
NEDg Description generation batch_6a035e8347608190a224143b51cfb68a completed May 12, 2026, 5:08 p.m.
NED2 Entity disambiguation (via description) batch_6a035f05ed748190adecfab4c60397e4 completed May 12, 2026, 5:10 p.m.
Created at: April 10, 2026, 9:51 a.m.