Triple

T6587535
Position Surface form Disambiguated ID Type / Status
Subject Chiba Lotte Marines E159262 entity
Predicate ballparkFormerName P16285 FINISHED
Object Chiba Marine Stadium
Chiba Marine Stadium is a baseball stadium in Chiba, Japan, best known as the longtime home field of the Chiba Lotte Marines of Nippon Professional Baseball.
 E603329 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: Chiba Marine Stadium | Statement: [Chiba Lotte Marines, ballparkFormerName, Chiba Marine Stadium]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chiba Marine Stadium
Context triple: [Chiba Lotte Marines, ballparkFormerName, Chiba Marine Stadium]
  • A. 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.
  • B. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • C. 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.
  • D. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • E. Yurtec Stadium Sendai
    Yurtec Stadium Sendai is a football-specific stadium in Sendai, Japan, best known as the home ground of Vegalta Sendai and for hosting J.League and international soccer matches.
  • 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: Chiba Marine Stadium
Triple: [Chiba Lotte Marines, ballparkFormerName, Chiba Marine Stadium]
Generated description
Chiba Marine Stadium is a baseball stadium in Chiba, Japan, best known as the longtime home field of the Chiba Lotte Marines of Nippon Professional Baseball.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chiba Marine Stadium
Target entity description: Chiba Marine Stadium is a baseball stadium in Chiba, Japan, best known as the longtime home field of the Chiba Lotte Marines of Nippon Professional Baseball.
  • A. 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.
  • B. Onikan Stadium
    Onikan Stadium is a historic multi-purpose sports arena located on Lagos Island in Lagos, Nigeria.
  • C. 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.
  • D. Setsoto Stadium
    Setsoto Stadium is a multi-purpose national sports venue in Maseru, Lesotho, primarily used for football matches and major public events.
  • E. Yurtec Stadium Sendai
    Yurtec Stadium Sendai is a football-specific stadium in Sendai, Japan, best known as the home ground of Vegalta Sendai and for hosting J.League and international soccer matches.
  • 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_69c688366ce8819083f8883983c0df92 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6aeafd2848190bb51e3ea9711c803 completed March 27, 2026, 4:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d5794f388190a04f4f9c9e628f22 completed March 27, 2026, 7:07 p.m.
NEDg Description generation batch_69c6d677a74881908e174a6f6c7a5497 completed March 27, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69c6d8486534819080b75cad9cc32276 completed March 27, 2026, 7:19 p.m.
Created at: March 27, 2026, 1:55 p.m.