Triple

T11847457
Position Surface form Disambiguated ID Type / Status
Subject basketball at the 1964 Summer Olympics E281814 entity
Predicate venue P373 FINISHED
Object Komazawa Gymnasium
Komazawa Gymnasium is an indoor sports arena in Tokyo, Japan, best known for hosting basketball events during the 1964 Summer Olympics.
 E949394 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Komazawa Gymnasium | Statement: [basketball at the 1964 Summer Olympics, venue, Komazawa Gymnasium]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Komazawa Gymnasium
Context triple: [basketball at the 1964 Summer Olympics, venue, Komazawa Gymnasium]
  • A. Tsukisamu Gymnasium
    Tsukisamu Gymnasium is an indoor sports arena in Sapporo, Japan, best known for hosting events during the 1972 Winter Olympics.
  • B. Kawagoe High School
    Kawagoe High School is a secondary education institution located in the city of Kawagoe in Saitama Prefecture, Japan.
  • C. Takanawa Junior High School
    Takanawa Junior High School is a lower secondary educational institution serving students in the Takanawa area of Tokyo, Japan.
  • D. Ochanomizu University Junior High School
    Ochanomizu University Junior High School is a prestigious national girls’ junior high school in Tokyo, Japan, affiliated with Ochanomizu University and known for its strong academic program and research-based education.
  • E. Takarazuka Kita High School
    Takarazuka Kita High School is a Japanese secondary school located in the city of Takarazuka, known for its academic curriculum and local community role.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Komazawa Gymnasium
Target entity description: Komazawa Gymnasium is an indoor sports arena in Tokyo, Japan, best known for hosting basketball events during the 1964 Summer Olympics.
  • A. Tsukisamu Gymnasium
    Tsukisamu Gymnasium is an indoor sports arena in Sapporo, Japan, best known for hosting events during the 1972 Winter Olympics.
  • B. Kawagoe High School
    Kawagoe High School is a secondary education institution located in the city of Kawagoe in Saitama Prefecture, Japan.
  • C. Takanawa Junior High School
    Takanawa Junior High School is a lower secondary educational institution serving students in the Takanawa area of Tokyo, Japan.
  • D. Ochanomizu University Junior High School
    Ochanomizu University Junior High School is a prestigious national girls’ junior high school in Tokyo, Japan, affiliated with Ochanomizu University and known for its strong academic program and research-based education.
  • E. Takarazuka Kita High School
    Takarazuka Kita High School is a Japanese secondary school located in the city of Takarazuka, known for its academic curriculum and local community role.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Komazawa Gymnasium
Triple: [basketball at the 1964 Summer Olympics, venue, Komazawa Gymnasium]
Generated description
Komazawa Gymnasium is an indoor sports arena in Tokyo, Japan, best known for hosting basketball events during the 1964 Summer Olympics.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab287ba48190a5178779fd19b9b7 elicitation completed
NER batch_69d8a65c72088190b8de9550c455b788 ner completed
NED1 batch_69f167a876048190aeeeccebae9e46ad ned_source_triple completed
NED2 batch_69f17814de1881908973af026af5d1d1 ned_description completed
NEDg batch_69f17005c318819090e54bc64d135477 nedg completed
Created at: April 8, 2026, 9:43 p.m.