Triple

T262310
Position Surface form Disambiguated ID Type / Status
Subject University of Tokyo E5563 entity
Predicate hasNotableAlumni P51 FINISHED
Object Yukio Hatoyama
Yukio Hatoyama is a Japanese politician who served as Prime Minister of Japan from 2009 to 2010 and was a leading figure in the Democratic Party of Japan.
E34232 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: Yukio Hatoyama | Statement: [University of Tokyo, hasNotableAlumni, Yukio Hatoyama]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yukio Hatoyama
Context triple: [University of Tokyo, hasNotableAlumni, Yukio Hatoyama]
  • A. Junichiro Koizumi
    Junichiro Koizumi is a reformist Japanese politician who served as Prime Minister from 2001 to 2006, known for his charismatic style and efforts to privatize Japan’s postal system.
  • B. Yoshihide Suga
    Yoshihide Suga is a Japanese politician who served as Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe and leading the country through the early phase of the COVID-19 pandemic.
  • C. Shinzo Abe
    Shinzo Abe was a Japanese politician who served as Japan’s longest-tenured prime minister and was a central figure in the country’s contemporary conservative politics and economic policy.
  • D. Fumio Kishida
    Fumio Kishida is a Japanese politician and leader of the Liberal Democratic Party who serves as the Prime Minister of Japan.
  • E. Yasuhiro Nakasone
    Yasuhiro Nakasone was a prominent Japanese statesman who served as Prime Minister in the 1980s and was known for his efforts to strengthen Japan’s international profile and pursue administrative and educational reforms.
  • 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: Yukio Hatoyama
Triple: [University of Tokyo, hasNotableAlumni, Yukio Hatoyama]
Generated description
Yukio Hatoyama is a Japanese politician who served as Prime Minister of Japan from 2009 to 2010 and was a leading figure in the Democratic Party of Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yukio Hatoyama
Target entity description: Yukio Hatoyama is a Japanese politician who served as Prime Minister of Japan from 2009 to 2010 and was a leading figure in the Democratic Party of Japan.
  • A. Junichiro Koizumi
    Junichiro Koizumi is a reformist Japanese politician who served as Prime Minister from 2001 to 2006, known for his charismatic style and efforts to privatize Japan’s postal system.
  • B. Yoshihide Suga
    Yoshihide Suga is a Japanese politician who served as Prime Minister of Japan from 2020 to 2021, succeeding Shinzo Abe and leading the country through the early phase of the COVID-19 pandemic.
  • C. Shinzo Abe
    Shinzo Abe was a Japanese politician who served as Japan’s longest-tenured prime minister and was a central figure in the country’s contemporary conservative politics and economic policy.
  • D. Fumio Kishida
    Fumio Kishida is a Japanese politician and leader of the Liberal Democratic Party who serves as the Prime Minister of Japan.
  • E. Yasuhiro Nakasone
    Yasuhiro Nakasone was a prominent Japanese statesman who served as Prime Minister in the 1980s and was known for his efforts to strengthen Japan’s international profile and pursue administrative and educational reforms.
  • 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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d8c7f448190af9145256f994177 completed Feb. 28, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a38618a6e4819080e2d8ee3d828af7 completed March 1, 2026, 12:19 a.m.
NEDg Description generation batch_69a387f84b848190abf95906325f7806 completed March 1, 2026, 12:27 a.m.
NED2 Entity disambiguation (via description) batch_69a3884bff5081909785fbc6681bb430 completed March 1, 2026, 12:29 a.m.
Created at: Feb. 28, 2026, 2:55 a.m.