Triple

T10814269
Position Surface form Disambiguated ID Type / Status
Subject Saitama Super Arena E255183 entity
Predicate operator P179 FINISHED
Object Saitama Arena Corp.
Saitama Arena Corp. is the company responsible for managing and operating the large multi-purpose Saitama Super Arena in Saitama, Japan.
 E255183 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: Saitama Arena Corp. | Statement: [Saitama Super Arena, operator, Saitama Arena Corp.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Saitama Arena Corp.
Context triple: [Saitama Super Arena, operator, Saitama Arena Corp.]
  • A. Tokyo Dome Corporation
    Tokyo Dome Corporation is a Japanese entertainment and real estate company best known for owning and operating the Tokyo Dome stadium and its surrounding amusement and commercial complex in Tokyo.
  • B. Osaka Dome Corporation
    Osaka Dome Corporation is the company responsible for managing and operating the multi-purpose Kyocera Dome stadium in Osaka, Japan.
  • C. Saitama Super Arena
    Saitama Super Arena is a large, multi-purpose indoor stadium in Saitama, Japan, known for hosting major sports events, concerts, and international entertainment shows.
  • D. Yokohama Stadium Co., Ltd.
    Yokohama Stadium Co., Ltd. is the company responsible for managing and operating Yokohama Stadium, a major baseball and event venue in Yokohama, Japan.
  • E. Meiji Jingu Stadium Co., Ltd.
    Meiji Jingu Stadium Co., Ltd. is the company responsible for managing and operating Tokyo’s historic Meiji Jingu Stadium, a prominent venue for professional baseball and other large-scale 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: Saitama Arena Corp.
Triple: [Saitama Super Arena, operator, Saitama Arena Corp.]
Generated description
Saitama Arena Corp. is the company responsible for managing and operating the large multi-purpose Saitama Super Arena in Saitama, Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Saitama Arena Corp.
Target entity description: Saitama Arena Corp. is the company responsible for managing and operating the large multi-purpose Saitama Super Arena in Saitama, Japan.
  • A. Tokyo Dome Corporation
    Tokyo Dome Corporation is a Japanese entertainment and real estate company best known for owning and operating the Tokyo Dome stadium and its surrounding amusement and commercial complex in Tokyo.
  • B. Osaka Dome Corporation
    Osaka Dome Corporation is the company responsible for managing and operating the multi-purpose Kyocera Dome stadium in Osaka, Japan.
  • C. Saitama Super Arena chosen
    Saitama Super Arena is a large, multi-purpose indoor stadium in Saitama, Japan, known for hosting major sports events, concerts, and international entertainment shows.
  • D. Yokohama Stadium Co., Ltd.
    Yokohama Stadium Co., Ltd. is the company responsible for managing and operating Yokohama Stadium, a major baseball and event venue in Yokohama, Japan.
  • E. Meiji Jingu Stadium Co., Ltd.
    Meiji Jingu Stadium Co., Ltd. is the company responsible for managing and operating Tokyo’s historic Meiji Jingu Stadium, a prominent venue for professional baseball and other large-scale events.
  • F. None of above.

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_69d6aa8081448190a9324184f2bd1c26 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d733ece4488190b553a66c4b5188bc completed April 9, 2026, 5:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69de8546b41081909e13152c4df2eb1c completed April 14, 2026, 6:19 p.m.
NEDg Description generation batch_69de8955b9d8819086ff98efbff6c7a0 completed April 14, 2026, 6:37 p.m.
NED2 Entity disambiguation (via description) batch_69de8f4a318c819086559fd53506ab29 completed April 14, 2026, 7:02 p.m.
Created at: April 8, 2026, 9:18 p.m.