Triple

T438544
Position Surface form Disambiguated ID Type / Status
Subject Osaka Station E10063 entity
Predicate formerOperator P179 FINISHED
Object Japanese National Railways
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
E55792 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: Japanese National Railways | Statement: [Osaka Station, formerOperator, Japanese National Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Japanese National Railways
Context triple: [Osaka Station, formerOperator, Japanese National Railways]
  • A. 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.
  • B. Kintetsu Railway
    Kintetsu Railway is a major Japanese private railway operator in the Kansai region, known for its extensive interurban network connecting cities such as Osaka, Nara, Kyoto, and Nagoya.
  • C. Nankai Electric Railway
    Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
  • D. Hanshin Electric Railway Co., Ltd.
    Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
  • E. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • 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: Japanese National Railways
Triple: [Osaka Station, formerOperator, Japanese National Railways]
Generated description
Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Japanese National Railways
Target entity description: Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
  • A. 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.
  • B. Kintetsu Railway
    Kintetsu Railway is a major Japanese private railway operator in the Kansai region, known for its extensive interurban network connecting cities such as Osaka, Nara, Kyoto, and Nagoya.
  • C. Nankai Electric Railway
    Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
  • D. Hanshin Electric Railway Co., Ltd.
    Hanshin Electric Railway Co., Ltd. is a Japanese private railway company in the Kansai region, best known in popular culture as the corporate parent of the professional baseball team Hanshin Tigers.
  • E. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • 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_69a2e8465ef481909655c681b01e2986 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2ef283be881909444aaf257451747 completed Feb. 28, 2026, 1:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69a43e706fd8819082dd795fcad5465c completed March 1, 2026, 1:26 p.m.
NEDg Description generation batch_69a43f465f608190a5a57c58bdb30538 completed March 1, 2026, 1:29 p.m.
NED2 Entity disambiguation (via description) batch_69a4409efb1081909583cba0e6657f3e completed March 1, 2026, 1:35 p.m.
Created at: Feb. 28, 2026, 1:11 p.m.