Triple

T6883874
Position Surface form Disambiguated ID Type / Status
Subject Saitama Seibu Lions E158865 entity
Predicate homeStadiumFormerName P901 FINISHED
Object Seibu Dome
Seibu Dome is a partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, best known as the longtime home field of the Saitama Seibu Lions of Nippon Professional Baseball.
 E625923 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: Seibu Dome | Statement: [Saitama Seibu Lions, homeStadiumFormerName, Seibu Dome]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seibu Dome
Context triple: [Saitama Seibu Lions, homeStadiumFormerName, Seibu Dome]
  • A. Nagoya Dome
    Nagoya Dome is a large indoor baseball stadium in Nagoya, Japan, best known as the home field of the Chunichi Dragons and a major venue for professional and international baseball games.
  • B. 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.
  • C. Sapporo Dome
    Sapporo Dome is a multi-purpose stadium in Sapporo, Japan, best known for hosting baseball and football matches as well as major international sporting events.
  • D. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • E. 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.
  • 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: Seibu Dome
Triple: [Saitama Seibu Lions, homeStadiumFormerName, Seibu Dome]
Generated description
Seibu Dome is a partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, best known as the longtime home field of the Saitama Seibu Lions of Nippon Professional Baseball.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seibu Dome
Target entity description: Seibu Dome is a partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, best known as the longtime home field of the Saitama Seibu Lions of Nippon Professional Baseball.
  • A. Nagoya Dome
    Nagoya Dome is a large indoor baseball stadium in Nagoya, Japan, best known as the home field of the Chunichi Dragons and a major venue for professional and international baseball games.
  • B. 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.
  • C. Sapporo Dome
    Sapporo Dome is a multi-purpose stadium in Sapporo, Japan, best known for hosting baseball and football matches as well as major international sporting events.
  • D. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • E. 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.
  • 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_69c688342f6c8190ad7eea6ba262db99 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d8ea59108190a85f9112b6a4e59a completed March 27, 2026, 7:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c742d652088190a65e06eb7fe79cfc completed March 28, 2026, 2:54 a.m.
NEDg Description generation batch_69c7441117ec8190b9b355c474289010 completed March 28, 2026, 2:59 a.m.
NED2 Entity disambiguation (via description) batch_69c744a20bd481908a7c6aaa6383a68f completed March 28, 2026, 3:01 a.m.
Created at: March 27, 2026, 2:23 p.m.