Triple

T20057564
Position Surface form Disambiguated ID Type / Status
Subject Nishitetsu bus network E499380 entity
Predicate operator P179 FINISHED
Object Nishi-Nippon Railroad Co., Ltd. — 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: Nishi-Nippon Railroad Co., Ltd. | Statement: [Nishitetsu bus network, operator, Nishi-Nippon Railroad Co., Ltd.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nishi-Nippon Railroad Co., Ltd.
Context triple: [Nishitetsu bus network, operator, Nishi-Nippon Railroad Co., Ltd.]
  • A. Nishi-Nippon Railroad chosen
    Nishi-Nippon Railroad is a major Japanese private railway and transportation company based in Fukuoka, operating rail lines, buses, and related services in the Kyushu region.
  • B. West Japan Railway Company
    West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
  • C. Japan Railway Construction Public Corporation
    Japan Railway Construction Public Corporation was a former Japanese government agency responsible for planning and constructing railway lines and related infrastructure.
  • D. Keisei Electric Railway
    Keisei Electric Railway is a major private railway operator in the Greater Tokyo area, best known for linking central Tokyo with Chiba Prefecture and Narita International Airport.
  • E. Nagoya Railroad (Meitetsu)
    Nagoya Railroad (Meitetsu) is a major private railway company in Japan that operates an extensive network of commuter and intercity rail lines centered on Nagoya and the surrounding Chūkyō metropolitan area.
  • 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_69da6276bcf48190aabbf279192a5fb4 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6637325908190aefc0e27e2ed5750 completed April 20, 2026, 5:33 p.m.
Created at: April 11, 2026, 3:38 p.m.