Triple

T9888642
Position Surface form Disambiguated ID Type / Status
Subject Games of the XVIII Olympiad E181398 entity
Predicate mainStadium P2439 FINISHED
Object National Stadium (Tokyo)
National Stadium (Tokyo) was Japan’s iconic multi-purpose sports venue in Shinjuku, best known internationally for hosting the 1964 Summer Olympics.
E827470 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: National Stadium (Tokyo) | Statement: [Games of the XVIII Olympiad, mainStadium, National Stadium (Tokyo)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Stadium (Tokyo)
Context triple: [Games of the XVIII Olympiad, mainStadium, National Stadium (Tokyo)]
  • A. Japan National Stadium
    Japan National Stadium is a large multi-purpose sports venue in Tokyo that served as the centerpiece and primary athletics arena for the 2020 Summer Olympics and Paralympics.
  • B. Tokyo Stadium
    Tokyo Stadium is a multi-purpose sports venue in Chōfu, Tokyo, primarily used for football and rugby matches and known for hosting both domestic league games and international tournaments.
  • C. Meiji Jingu Stadium
    Meiji Jingu Stadium is a historic baseball stadium in Tokyo, Japan, known as one of the country’s oldest professional ballparks and a prominent venue for Nippon Professional Baseball games.
  • D. Sendai Stadium
    Sendai Stadium, now known as Yurtec Stadium Sendai, is a football and athletics stadium in Sendai, Japan, serving as the home ground for local professional soccer clubs.
  • E. National Stadium
    The National Stadium is the primary football and athletics venue in Ramat Gan, Israel, historically serving as the country’s main national sports arena.
  • 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: National Stadium (Tokyo)
Triple: [Games of the XVIII Olympiad, mainStadium, National Stadium (Tokyo)]
Generated description
National Stadium (Tokyo) was Japan’s iconic multi-purpose sports venue in Shinjuku, best known internationally for hosting the 1964 Summer Olympics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: National Stadium (Tokyo)
Target entity description: National Stadium (Tokyo) was Japan’s iconic multi-purpose sports venue in Shinjuku, best known internationally for hosting the 1964 Summer Olympics.
  • A. Japan National Stadium
    Japan National Stadium is a large multi-purpose sports venue in Tokyo that served as the centerpiece and primary athletics arena for the 2020 Summer Olympics and Paralympics.
  • B. Tokyo Stadium
    Tokyo Stadium is a multi-purpose sports venue in Chōfu, Tokyo, primarily used for football and rugby matches and known for hosting both domestic league games and international tournaments.
  • C. Meiji Jingu Stadium
    Meiji Jingu Stadium is a historic baseball stadium in Tokyo, Japan, known as one of the country’s oldest professional ballparks and a prominent venue for Nippon Professional Baseball games.
  • D. Sendai Stadium
    Sendai Stadium, now known as Yurtec Stadium Sendai, is a football and athletics stadium in Sendai, Japan, serving as the home ground for local professional soccer clubs.
  • E. National Stadium
    The National Stadium is the primary football and athletics venue in Ramat Gan, Israel, historically serving as the country’s main national sports arena.
  • 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_69ca8283a6708190801af7a25a7ebb9f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4592db881909b134834dde614d8 completed April 2, 2026, 12:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb0314108190b35906592a11727e completed April 5, 2026, 4:54 a.m.
NEDg Description generation batch_69d1ebec25508190ac4c0adb629f79b0 completed April 5, 2026, 4:58 a.m.
NED2 Entity disambiguation (via description) batch_69d1ec65d5e881909e4caa180b0f8867 completed April 5, 2026, 5 a.m.
Created at: March 30, 2026, 8:39 p.m.