Triple

T8028552
Position Surface form Disambiguated ID Type / Status
Subject Ministry of Land, Infrastructure, Transport and Tourism E186917 entity
Predicate headquartersLocation P62 FINISHED
Object Kasumigaseki, Chiyoda, Tokyo, Japan E132545 NE FINISHED

How this triple was built (2 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: Kasumigaseki, Chiyoda, Tokyo, Japan | Statement: [Ministry of Land, Infrastructure, Transport and Tourism, headquartersLocation, Kasumigaseki, Chiyoda, Tokyo, Japan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kasumigaseki, Chiyoda, Tokyo, Japan
Context triple: [Ministry of Land, Infrastructure, Transport and Tourism, headquartersLocation, Kasumigaseki, Chiyoda, Tokyo, Japan]
  • A. Kasumigaseki, Chiyoda, Tokyo chosen
    Kasumigaseki in Chiyoda, Tokyo is a central government district known for housing numerous Japanese ministries and key national administrative agencies.
  • B. 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.
  • C. Kasumigaseki, Tokyo
    Kasumigaseki, Tokyo is a central government district in Chiyoda, Tokyo, known for housing numerous Japanese ministries, agencies, and administrative offices.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82ad4e2c8190a693e3c9e30fe66f completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3ecdbc5881909246982b93978841 completed March 31, 2026, 3:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc56e146048190a97b3b37d1eec0b8 completed March 31, 2026, 11:21 p.m.
Created at: March 30, 2026, 5:21 p.m.