Triple

T262261
Position Surface form Disambiguated ID Type / Status
Subject University of Tokyo E5563 entity
Predicate locatedIn P40 FINISHED
Object Bunkyō, Tokyo, Japan
Bunkyō, Tokyo, Japan is a central Tokyo ward known for its educational and cultural institutions, historic temples, and residential neighborhoods, including the main campus of the University of Tokyo.
E58973 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: Bunkyō, Tokyo, Japan | Statement: [University of Tokyo, locatedIn, Bunkyō, Tokyo, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bunkyō, Tokyo, Japan
Context triple: [University of Tokyo, locatedIn, Bunkyō, Tokyo, Japan]
  • A. Chiyoda, Tokyo, Japan
    Chiyoda is a central special ward of Tokyo that serves as Japan’s political and administrative heart, housing the Imperial Palace, the National Diet, and many government institutions.
  • B. Shinagawa, Tokyo, Japan
    Shinagawa is a major commercial and transportation hub in southern Tokyo, known for its busy railway station, high-rise office buildings, and waterfront developments along Tokyo Bay.
  • C. Setagaya, Tokyo, Japan
    Setagaya is a large residential ward in western Tokyo known for its affluent neighborhoods, family-friendly atmosphere, and numerous parks and temples.
  • D. Minato, Tokyo, Japan
    Minato is a central special ward of Tokyo known for its major business districts, foreign embassies, and landmarks such as Tokyo Tower and Roppongi.
  • E. Nagatachō, Tokyo, Japan
    Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
  • 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: Bunkyō, Tokyo, Japan
Triple: [University of Tokyo, locatedIn, Bunkyō, Tokyo, Japan]
Generated description
Bunkyō, Tokyo, Japan is a central Tokyo ward known for its educational and cultural institutions, historic temples, and residential neighborhoods, including the main campus of the University of Tokyo.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bunkyō, Tokyo, Japan
Target entity description: Bunkyō, Tokyo, Japan is a central Tokyo ward known for its educational and cultural institutions, historic temples, and residential neighborhoods, including the main campus of the University of Tokyo.
  • A. Chiyoda, Tokyo, Japan
    Chiyoda is a central special ward of Tokyo that serves as Japan’s political and administrative heart, housing the Imperial Palace, the National Diet, and many government institutions.
  • B. Shinagawa, Tokyo, Japan
    Shinagawa is a major commercial and transportation hub in southern Tokyo, known for its busy railway station, high-rise office buildings, and waterfront developments along Tokyo Bay.
  • C. Setagaya, Tokyo, Japan
    Setagaya is a large residential ward in western Tokyo known for its affluent neighborhoods, family-friendly atmosphere, and numerous parks and temples.
  • D. Minato, Tokyo, Japan
    Minato is a central special ward of Tokyo known for its major business districts, foreign embassies, and landmarks such as Tokyo Tower and Roppongi.
  • E. Nagatachō, Tokyo, Japan
    Nagatachō, Tokyo, Japan is the political center of the country, housing key national government institutions such as the National Diet and the Prime Minister’s official offices.
  • 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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d8c7f448190af9145256f994177 completed Feb. 28, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a462f0d0f081909615f95458d6d267 completed March 1, 2026, 4:01 p.m.
NEDg Description generation batch_69a4641055a08190a9bd874c5bb6379e completed March 1, 2026, 4:06 p.m.
NED2 Entity disambiguation (via description) batch_69a464720a20819096cb631fcb539620 completed March 1, 2026, 4:08 p.m.
Created at: Feb. 28, 2026, 2:55 a.m.