Triple

T2470032
Position Surface form Disambiguated ID Type / Status
Subject West Japan Railway Company E55347 entity
Predicate memberOf P10 FINISHED
Object JR Group
JR Group is a collective of regional passenger railway companies in Japan that emerged from the privatization of the former Japanese National Railways.
 E269677 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: JR Group | Statement: [West Japan Railway Company, memberOf, JR Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Group
Context triple: [West Japan Railway Company, memberOf, JR Group]
  • A. Keihan Group
    Keihan Group is a Japanese corporate conglomerate centered on the Keihan Electric Railway that operates transportation, real estate, retail, and leisure businesses in the Kansai region.
  • B. Marui Group
    Marui Group is a Japanese retail and financial services company best known for operating fashion-oriented department stores and providing credit card and related consumer finance services.
  • C. ANA Group
    ANA Group is a major Japanese aviation conglomerate centered around All Nippon Airways, operating passenger and cargo airlines as well as related aviation services.
  • D. Keio Corporation
    Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
  • E. Takuan Group
    Takuan Group is a volcanic complex on Bougainville Island in Papua New Guinea, consisting of several stratovolcanoes known for their rugged, forested peaks.
  • 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: JR Group
Triple: [West Japan Railway Company, memberOf, JR Group]
Generated description
JR Group is a collective of regional passenger railway companies in Japan that emerged from the privatization of the former Japanese National Railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR Group
Target entity description: JR Group is a collective of regional passenger railway companies in Japan that emerged from the privatization of the former Japanese National Railways.
  • A. Keihan Group
    Keihan Group is a Japanese corporate conglomerate centered on the Keihan Electric Railway that operates transportation, real estate, retail, and leisure businesses in the Kansai region.
  • B. Marui Group
    Marui Group is a Japanese retail and financial services company best known for operating fashion-oriented department stores and providing credit card and related consumer finance services.
  • C. ANA Group
    ANA Group is a major Japanese aviation conglomerate centered around All Nippon Airways, operating passenger and cargo airlines as well as related aviation services.
  • D. Keio Corporation
    Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
  • E. Takuan Group
    Takuan Group is a volcanic complex on Bougainville Island in Papua New Guinea, consisting of several stratovolcanoes known for their rugged, forested peaks.
  • 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_69ab49e3622c8190ad22afa2c4fbb807 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd135c64881908cccde3317d14b67 completed March 7, 2026, 7:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69af17a29c2c8190b9e7b49d086ad9d5 completed March 9, 2026, 6:55 p.m.
NEDg Description generation batch_69af183b63848190ac62869b1fdb672c completed March 9, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69af18fc1a0c8190aeb24f304cbba35b completed March 9, 2026, 7:01 p.m.
Created at: March 6, 2026, 9:44 p.m.