Triple

T9916905
Position Surface form Disambiguated ID Type / Status
Subject Tobu Railway E185891 entity
Predicate memberOf P10 FINISHED
Object Tobu Group
Tobu Group is a major Japanese corporate conglomerate centered on Tobu Railway, operating in transportation, retail, real estate, and leisure industries.
 E829984 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: Tobu Group | Statement: [Tobu Railway, memberOf, Tobu Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tobu Group
Context triple: [Tobu Railway, memberOf, Tobu Group]
  • A. Seibu Group
    Seibu Group is a major Japanese conglomerate with core businesses in railways, hotels, real estate, and leisure services.
  • B. 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.
  • C. Odakyu Group
    Odakyu Group is a major Japanese private railway and diversified corporate group centered around Odakyu Electric Railway, operating transportation, retail, real estate, and leisure businesses.
  • D. Tokyu Corporation
    Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
  • E. Kintetsu Group Holdings
    Kintetsu Group Holdings is a major Japanese corporate group centered on railway, retail, and real estate businesses, best known for operating the Kintetsu Railway network in the Kansai region.
  • 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: Tobu Group
Triple: [Tobu Railway, memberOf, Tobu Group]
Generated description
Tobu Group is a major Japanese corporate conglomerate centered on Tobu Railway, operating in transportation, retail, real estate, and leisure industries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tobu Group
Target entity description: Tobu Group is a major Japanese corporate conglomerate centered on Tobu Railway, operating in transportation, retail, real estate, and leisure industries.
  • A. Seibu Group
    Seibu Group is a major Japanese conglomerate with core businesses in railways, hotels, real estate, and leisure services.
  • B. 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.
  • C. Odakyu Group
    Odakyu Group is a major Japanese private railway and diversified corporate group centered around Odakyu Electric Railway, operating transportation, retail, real estate, and leisure businesses.
  • D. Tokyu Corporation
    Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
  • E. Kintetsu Group Holdings
    Kintetsu Group Holdings is a major Japanese corporate group centered on railway, retail, and real estate businesses, best known for operating the Kintetsu Railway network in the Kansai region.
  • 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_69ca829b45f481909040f7b99a1976ed completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cdb540195881908f25f7dde5c66a75 completed April 2, 2026, 12:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d20de277e881908e6d09c8cfee92ba completed April 5, 2026, 7:23 a.m.
NEDg Description generation batch_69d211ad04b481909c631ae838aa539d completed April 5, 2026, 7:39 a.m.
NED2 Entity disambiguation (via description) batch_69d21353f62881908afb9546ba7b94b6 completed April 5, 2026, 7:46 a.m.
Created at: March 30, 2026, 8:42 p.m.