Triple

T12142789
Position Surface form Disambiguated ID Type / Status
Subject Ebisu Station E289230 entity
Predicate railwayLine P848 FINISHED
Object Tokyo Metro Hibiya Line — NE NERFINISHED

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: Tokyo Metro Hibiya Line | Statement: [Ebisu Station, railwayLine, Tokyo Metro Hibiya Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyo Metro Hibiya Line
Context triple: [Ebisu Station, railwayLine, Tokyo Metro Hibiya Line]
  • A. Tokyo Metro Hibiya Line chosen
    The Tokyo Metro Hibiya Line is a major Tokyo subway line running through central districts such as Chiyoda, Minato, and Taito, providing key commuter and interline connections across the city.
  • B. Tokyo Metro Hanzomon Line
    The Tokyo Metro Hanzomon Line is a major Tokyo subway line that runs east–west across the city center, linking Shibuya with key business and residential districts and offering through services onto private railway lines.
  • C. Tokyo Metro Marunouchi Line
    The Tokyo Metro Marunouchi Line is one of Tokyo’s main subway lines, running in a loop-like route through central districts and connecting major hubs such as Shinjuku, Tokyo, and Ikebukuro.
  • D. Tokyo Metro Fukutoshin Line
    The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
  • E. Tokyo Metro Chiyoda Line
    The Tokyo Metro Chiyoda Line is a major Tokyo subway line running north–south through central districts and into suburban areas, connecting key hubs such as Omotesando, Otemachi, and Yoyogi-Uehara.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d6ab4c6710819097a9d228382dde43 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915a9838081909622cc14df2a2582 completed April 10, 2026, 3:22 p.m.
Created at: April 8, 2026, 9:49 p.m.