Triple

T6615531
Position Surface form Disambiguated ID Type / Status
Subject Japan Sport Council E149340 entity
Predicate overseesFacility P4904 FINISHED
Object National Kasumigaoka Stadium
National Kasumigaoka Stadium is a historic sports venue in Tokyo, Japan, best known as the former national stadium that hosted major football matches and athletics events, including the 1964 Summer Olympics.
E608460 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 Kasumigaoka Stadium | Statement: [Japan Sport Council, overseesFacility, National Kasumigaoka Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: National Kasumigaoka Stadium
Context triple: [Japan Sport Council, overseesFacility, National Kasumigaoka Stadium]
  • A. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • B. 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.
  • C. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • D. Niigata Stadium
    Niigata Stadium is a large multi-purpose sports venue in Niigata, Japan, best known for hosting football matches and major events including games during the 2002 FIFA World Cup.
  • E. Korakuen Stadium
    Korakuen Stadium was a historic baseball and multi-purpose sports venue in Tokyo, Japan, that served as the longtime home of the Yomiuri Giants before its demolition.
  • 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 Kasumigaoka Stadium
Triple: [Japan Sport Council, overseesFacility, National Kasumigaoka Stadium]
Generated description
National Kasumigaoka Stadium is a historic sports venue in Tokyo, Japan, best known as the former national stadium that hosted major football matches and athletics events, including the 1964 Summer Olympics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: National Kasumigaoka Stadium
Target entity description: National Kasumigaoka Stadium is a historic sports venue in Tokyo, Japan, best known as the former national stadium that hosted major football matches and athletics events, including the 1964 Summer Olympics.
  • A. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • B. 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.
  • C. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • D. Niigata Stadium
    Niigata Stadium is a large multi-purpose sports venue in Niigata, Japan, best known for hosting football matches and major events including games during the 2002 FIFA World Cup.
  • E. Korakuen Stadium
    Korakuen Stadium was a historic baseball and multi-purpose sports venue in Tokyo, Japan, that served as the longtime home of the Yomiuri Giants before its demolition.
  • 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_69c687ebc680819094caf71faba2efe2 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6d0a262808190a33ac94374affde4 completed March 27, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eee61df88190b3772e4756670b8f completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f09ffdd481909418ae33d1683486 completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f159cbf08190a22d7488584b4580 completed March 27, 2026, 9:06 p.m.
Created at: March 27, 2026, 1:57 p.m.