Triple

T7459267
Position Surface form Disambiguated ID Type / Status
Subject NAOJ E176202 entity
Predicate headquartersLocation P62 FINISHED
Object Mitaka, Tokyo, Japan
Mitaka, Tokyo, Japan is a suburban city in western Tokyo known for its cultural institutions, including the National Astronomical Observatory of Japan and the Ghibli Museum.
 E665994 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: Mitaka, Tokyo, Japan | Statement: [NAOJ, headquartersLocation, Mitaka, Tokyo, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mitaka, Tokyo, Japan
Context triple: [NAOJ, headquartersLocation, Mitaka, Tokyo, Japan]
  • A. Nakano, Tokyo, Japan
    Nakano, Tokyo, Japan is a special ward known for its dense residential neighborhoods, vibrant subculture and anime shopping district around Nakano Broadway, and convenient access to central Tokyo.
  • B. 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.
  • C. Suginami, Tokyo, Japan
    Suginami is a residential ward in western Tokyo known for its quiet neighborhoods, anime studios, and numerous shrines and parks.
  • D. Kōtō, Tokyo, Japan
    Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
  • 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: Mitaka, Tokyo, Japan
Triple: [NAOJ, headquartersLocation, Mitaka, Tokyo, Japan]
Generated description
Mitaka, Tokyo, Japan is a suburban city in western Tokyo known for its cultural institutions, including the National Astronomical Observatory of Japan and the Ghibli Museum.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mitaka, Tokyo, Japan
Target entity description: Mitaka, Tokyo, Japan is a suburban city in western Tokyo known for its cultural institutions, including the National Astronomical Observatory of Japan and the Ghibli Museum.
  • A. Nakano, Tokyo, Japan
    Nakano, Tokyo, Japan is a special ward known for its dense residential neighborhoods, vibrant subculture and anime shopping district around Nakano Broadway, and convenient access to central Tokyo.
  • B. 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.
  • C. Suginami, Tokyo, Japan
    Suginami is a residential ward in western Tokyo known for its quiet neighborhoods, anime studios, and numerous shrines and parks.
  • D. Kōtō, Tokyo, Japan
    Kōtō is a special ward in eastern Tokyo known for its waterfront areas, reclaimed land, and a mix of residential neighborhoods, commercial districts, and large-scale facilities.
  • 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_69c69f21632481908bf83f6c6da897e3 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f3d332d08190a05c92a00ed09ac6 completed March 27, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c834597d94819081f57de7d5ae30af completed March 28, 2026, 8:04 p.m.
NEDg Description generation batch_69c834c4a6b0819091cd9ecd1581cfe4 completed March 28, 2026, 8:06 p.m.
NED2 Entity disambiguation (via description) batch_69c83560fa908190a8c1d8862f9a31f9 completed March 28, 2026, 8:09 p.m.
Created at: March 27, 2026, 3:37 p.m.