Triple

T10709937
Position Surface form Disambiguated ID Type / Status
Subject Minami Ward, Yokohama E252505 entity
Predicate hasRailwayService P782 FINISHED
Object Yokohama Municipal Subway Blue Line E1057851 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: Yokohama Municipal Subway Blue Line | Statement: [Minami Ward, Yokohama, hasRailwayService, Yokohama Municipal Subway Blue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yokohama Municipal Subway Blue Line
Context triple: [Minami Ward, Yokohama, hasRailwayService, Yokohama Municipal Subway Blue Line]
  • A. Yokohama Municipal Subway chosen
    Yokohama Municipal Subway is an urban rapid transit system in Yokohama, Japan, operating multiple underground lines that connect key districts and suburbs across the city.
  • B. Yokohama Minatomirai Railway Minatomirai Line
    The Yokohama Minatomirai Railway Minatomirai Line is a commuter rail line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai waterfront district and providing through services to the wider Tokyo rail network.
  • C. Tokyu Shin-Yokohama Line
    The Tokyu Shin-Yokohama Line is a commuter railway line in the Greater Tokyo area that connects Tokyu Corporation’s network with the Shinkansen hub at Shin-Yokohama, improving through-services and regional accessibility.
  • D. Tokyo Metro Tozai Line
    The Tokyo Metro Tozai Line is a major east–west subway line in Tokyo that connects central business districts with residential suburbs and offers through-services onto several private railway lines.
  • E. Nagoya Subway Tsurumai Line
    The Nagoya Subway Tsurumai Line is a major rapid transit line in Nagoya, Japan, operated by the Nagoya Municipal Subway and serving key urban and suburban areas across the city.
  • 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_69d6aa5cbabc8190973e683950d89faf completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fe515b1081909532a20b61ff6cf0 completed April 9, 2026, 1:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe64e2991c81908f474fe07a6ba10a completed May 8, 2026, 10:34 p.m.
Created at: April 8, 2026, 9:13 p.m.