Triple

T661599
Position Surface form Disambiguated ID Type / Status
Subject 2020 Summer Olympics E11766 entity
Predicate mainStadium P2439 FINISHED
Object 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.
 E82686 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: Japan National Stadium | Statement: [2020 Summer Olympics, mainStadium, Japan National Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Japan National Stadium
Context triple: [2020 Summer Olympics, mainStadium, Japan National Stadium]
  • A. Nagano Olympic Stadium
    Nagano Olympic Stadium is a multi-purpose sports venue in Nagano, Japan, best known for hosting the opening ceremony of the 1998 Winter Olympics.
  • B. Yokohama Stadium
    Yokohama Stadium is a prominent baseball and multi-purpose sports venue in Yokohama, Japan, best known as the home field of the Yokohama DeNA BayStars and a host of major international events.
  • C. Olympic Stadium
    Olympic Stadium is a large multi-purpose sports and events venue in Montreal, Quebec, best known as the main site of the 1976 Summer Olympics and for its distinctive inclined tower.
  • D. Kyocera Dome Osaka
    Kyocera Dome Osaka is a large, multi-purpose indoor stadium in Osaka, Japan, best known as a prominent professional baseball venue and major concert and event site.
  • E. Beijing National Stadium
    Beijing National Stadium, also known as the "Bird's Nest," is a landmark sports arena in Beijing famous for hosting the 2008 Summer Olympics and major international events.
  • 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: Japan National Stadium
Triple: [2020 Summer Olympics, mainStadium, Japan National Stadium]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Japan National Stadium
Target entity description: 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.
  • A. Nagano Olympic Stadium
    Nagano Olympic Stadium is a multi-purpose sports venue in Nagano, Japan, best known for hosting the opening ceremony of the 1998 Winter Olympics.
  • B. Yokohama Stadium
    Yokohama Stadium is a prominent baseball and multi-purpose sports venue in Yokohama, Japan, best known as the home field of the Yokohama DeNA BayStars and a host of major international events.
  • C. Olympic Stadium
    Olympic Stadium is a large multi-purpose sports and events venue in Montreal, Quebec, best known as the main site of the 1976 Summer Olympics and for its distinctive inclined tower.
  • D. Kyocera Dome Osaka
    Kyocera Dome Osaka is a large, multi-purpose indoor stadium in Osaka, Japan, best known as a prominent professional baseball venue and major concert and event site.
  • E. Beijing National Stadium
    Beijing National Stadium, also known as the "Bird's Nest," is a landmark sports arena in Beijing famous for hosting the 2008 Summer Olympics and major international events.
  • 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_69a4932862a0819098be659c814e4981 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49fa954988190841740a587ace466 completed March 1, 2026, 8:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5c3963c588190b7116f3f7aad2687 completed March 2, 2026, 5:06 p.m.
NEDg Description generation batch_69a5c47442188190b26b31f2901478a1 completed March 2, 2026, 5:10 p.m.
NED2 Entity disambiguation (via description) batch_69a5ce7f2b6881909f6c657f8b9c5347 completed March 2, 2026, 5:53 p.m.
Created at: March 1, 2026, 7:36 p.m.