Triple

T11246430
Position Surface form Disambiguated ID Type / Status
Subject Department of Earth Science, Tohoku University E266215 entity
Predicate campus P269 FINISHED
Object Aobayama Campus, Tohoku University
Aobayama Campus, Tohoku University is a major hillside campus in Sendai that hosts several of the university’s science and engineering faculties and research facilities.
E913646 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: Aobayama Campus, Tohoku University | Statement: [Department of Earth Science, Tohoku University, campus, Aobayama Campus, Tohoku University]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Aobayama Campus, Tohoku University
Context triple: [Department of Earth Science, Tohoku University, campus, Aobayama Campus, Tohoku University]
  • A. Yonezawa Campus
    Yonezawa Campus is the Yamagata University site that hosts its Faculty of Engineering, serving as a major center for engineering education and research in Yonezawa, Japan.
  • B. Kashiwa Campus of the University of Tokyo
    The Kashiwa Campus of the University of Tokyo is a major suburban research hub in Kashiwa, Chiba, housing several advanced science institutes and graduate schools, including leading centers for physics and cosmology.
  • C. Hongo Campus of the University of Tokyo
    Hongo Campus of the University of Tokyo is the university’s historic main campus in central Tokyo, known for its traditional red-brick architecture, academic facilities, and role as a major center of research and higher education in Japan.
  • D. Komaba Campus, University of Tokyo
    Komaba Campus, University of Tokyo is the university’s liberal arts hub in Meguro, Tokyo, where most first- and second-year undergraduates study across a wide range of disciplines before advancing to specialized faculties.
  • E. Hakodate Campus
    Hakodate Campus is a coastal branch of Hokkaido University known for its focus on marine science and fisheries-related research and education.
  • 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: Aobayama Campus, Tohoku University
Triple: [Department of Earth Science, Tohoku University, campus, Aobayama Campus, Tohoku University]
Generated description
Aobayama Campus, Tohoku University is a major hillside campus in Sendai that hosts several of the university’s science and engineering faculties and research facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Aobayama Campus, Tohoku University
Target entity description: Aobayama Campus, Tohoku University is a major hillside campus in Sendai that hosts several of the university’s science and engineering faculties and research facilities.
  • A. Yonezawa Campus
    Yonezawa Campus is the Yamagata University site that hosts its Faculty of Engineering, serving as a major center for engineering education and research in Yonezawa, Japan.
  • B. Kashiwa Campus of the University of Tokyo
    The Kashiwa Campus of the University of Tokyo is a major suburban research hub in Kashiwa, Chiba, housing several advanced science institutes and graduate schools, including leading centers for physics and cosmology.
  • C. Hongo Campus of the University of Tokyo
    Hongo Campus of the University of Tokyo is the university’s historic main campus in central Tokyo, known for its traditional red-brick architecture, academic facilities, and role as a major center of research and higher education in Japan.
  • D. Komaba Campus, University of Tokyo
    Komaba Campus, University of Tokyo is the university’s liberal arts hub in Meguro, Tokyo, where most first- and second-year undergraduates study across a wide range of disciplines before advancing to specialized faculties.
  • E. Hakodate Campus
    Hakodate Campus is a coastal branch of Hokkaido University known for its focus on marine science and fisheries-related research and education.
  • 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_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e91c045c81908a9024a8aee32f4d completed April 9, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ad8c3bec8190987451ab73e79011 completed April 19, 2026, 10:25 a.m.
NEDg Description generation batch_69e4b12eee348190bee6c84587e4955d completed April 19, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69e4be2bb8c88190a21773b0c43b6b99 completed April 19, 2026, 11:36 a.m.
Created at: April 8, 2026, 9:31 p.m.