Triple

T7781752
Position Surface form Disambiguated ID Type / Status
Subject Faculty of Science, The University of Tokyo E221535 entity
Predicate hasDepartment P35 FINISHED
Object Department of Astronomy, The University of Tokyo
The Department of Astronomy at the University of Tokyo is a leading academic and research unit specializing in astronomical and astrophysical studies, ranging from observational astronomy to theoretical cosmology.
E693316 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Department of Astronomy, The University of Tokyo | Statement: [Faculty of Science, The University of Tokyo, hasDepartment, Department of Astronomy, The University of Tokyo]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Department of Astronomy, The University of Tokyo
Context triple: [Faculty of Science, The University of Tokyo, hasDepartment, Department of Astronomy, The University of Tokyo]
  • A. Department of Astronomy, Tohoku University
    The Department of Astronomy at Tohoku University is an academic unit dedicated to research and education in astronomy and astrophysics within the university’s Faculty of Science.
  • B. Faculty of Science, The University of Tokyo
    The Faculty of Science at the University of Tokyo is a leading academic division renowned for its foundational education and research across the natural sciences.
  • C. Tokyo Astronomical Observatory
    Tokyo Astronomical Observatory was a major Japanese astronomical research institution that served as the forerunner to the modern National Astronomical Observatory of Japan.
  • D. Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
    The Department of Earth and Planetary Science at the University of Tokyo’s Graduate School of Science is an academic unit dedicated to research and education on the origin, structure, dynamics, and evolution of the Earth and other planetary bodies.
  • E. Graduate School of Frontier Sciences
    The Graduate School of Frontier Sciences is an interdisciplinary graduate school of the University of Tokyo that focuses on cutting-edge research and education across emerging scientific and technological fields.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Department of Astronomy, The University of Tokyo
Target entity description: The Department of Astronomy at the University of Tokyo is a leading academic and research unit specializing in astronomical and astrophysical studies, ranging from observational astronomy to theoretical cosmology.
  • A. Department of Astronomy, Tohoku University
    The Department of Astronomy at Tohoku University is an academic unit dedicated to research and education in astronomy and astrophysics within the university’s Faculty of Science.
  • B. Faculty of Science, The University of Tokyo
    The Faculty of Science at the University of Tokyo is a leading academic division renowned for its foundational education and research across the natural sciences.
  • C. Tokyo Astronomical Observatory
    Tokyo Astronomical Observatory was a major Japanese astronomical research institution that served as the forerunner to the modern National Astronomical Observatory of Japan.
  • D. Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
    The Department of Earth and Planetary Science at the University of Tokyo’s Graduate School of Science is an academic unit dedicated to research and education on the origin, structure, dynamics, and evolution of the Earth and other planetary bodies.
  • E. Graduate School of Frontier Sciences
    The Graduate School of Frontier Sciences is an interdisciplinary graduate school of the University of Tokyo that focuses on cutting-edge research and education across emerging scientific and technological fields.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Department of Astronomy, The University of Tokyo
Triple: [Faculty of Science, The University of Tokyo, hasDepartment, Department of Astronomy, The University of Tokyo]
Generated description
The Department of Astronomy at the University of Tokyo is a leading academic and research unit specializing in astronomical and astrophysical studies, ranging from observational astronomy to theoretical cosmology.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca83ebbef881909ac47f789145fef7 elicitation completed
NER batch_69cadf1dcc6c8190b3c6ee4ff7808e02 ner completed
NED1 batch_69caf5d30c748190bbb71534cfdf4f75 ned_source_triple completed
NED2 batch_69cafa013f348190a2067dee4a0c8c40 ned_description completed
NEDg batch_69caf81ebde881909bd131da8987b449 nedg completed
Created at: March 30, 2026, 4:21 p.m.