Triple

T4829438
Position Surface form Disambiguated ID Type / Status
Subject Waseda University Baseball Club E107907 entity
Predicate trainingBase P11445 FINISHED
Object Waseda University baseball grounds
Waseda University baseball grounds is the dedicated baseball field and training facility used by Waseda University’s storied collegiate baseball program in Japan.
 E472811 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: Waseda University baseball grounds | Statement: [Waseda University Baseball Club, trainingBase, Waseda University baseball grounds]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waseda University baseball grounds
Context triple: [Waseda University Baseball Club, trainingBase, Waseda University baseball grounds]
  • A. Waseda Campus
    Waseda Campus is the main urban campus of Waseda University in Tokyo, housing its central academic, administrative, and student facilities.
  • B. Waseda University Baseball Club
    Waseda University Baseball Club is the historic collegiate baseball team of Waseda University in Japan, known as one of the country’s most prestigious and influential university baseball programs.
  • C. Jiyūgaoka
    Jiyūgaoka is a fashionable, laid-back neighborhood in Tokyo known for its boutique shopping streets, cafes, and European-inspired atmosphere.
  • D. Ohiri Field
    Ohiri Field is an outdoor soccer stadium on Harvard University's campus that serves as the primary home pitch for the school's varsity soccer programs.
  • E. Kashiwa Campus
    Kashiwa Campus is a major research and education campus of the University of Tokyo located in Kashiwa, Chiba Prefecture, known for its advanced science and technology institutes.
  • 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: Waseda University baseball grounds
Triple: [Waseda University Baseball Club, trainingBase, Waseda University baseball grounds]
Generated description
Waseda University baseball grounds is the dedicated baseball field and training facility used by Waseda University’s storied collegiate baseball program in Japan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waseda University baseball grounds
Target entity description: Waseda University baseball grounds is the dedicated baseball field and training facility used by Waseda University’s storied collegiate baseball program in Japan.
  • A. Waseda Campus
    Waseda Campus is the main urban campus of Waseda University in Tokyo, housing its central academic, administrative, and student facilities.
  • B. Waseda University Baseball Club
    Waseda University Baseball Club is the historic collegiate baseball team of Waseda University in Japan, known as one of the country’s most prestigious and influential university baseball programs.
  • C. Jiyūgaoka
    Jiyūgaoka is a fashionable, laid-back neighborhood in Tokyo known for its boutique shopping streets, cafes, and European-inspired atmosphere.
  • D. Ohiri Field
    Ohiri Field is an outdoor soccer stadium on Harvard University's campus that serves as the primary home pitch for the school's varsity soccer programs.
  • E. Kashiwa Campus
    Kashiwa Campus is a major research and education campus of the University of Tokyo located in Kashiwa, Chiba Prefecture, known for its advanced science and technology institutes.
  • 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_69bd43fac8188190803f0327190621e4 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6cc66c488190a49052e32411dc4b completed March 20, 2026, 3:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4dd0bf7c8190a11065bb61def18e completed March 21, 2026, 7:50 a.m.
NEDg Description generation batch_69be4e764b60819097aace8e7321dc0c completed March 21, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69be4ef7c3e081909c74a573058810f0 completed March 21, 2026, 7:55 a.m.
Created at: March 20, 2026, 1:24 p.m.