Triple

T1516825
Position Surface form Disambiguated ID Type / Status
Subject Nankai Electric Railway E32139 entity
Predicate parentCompanyOf P254 FINISHED
Object Nankai Group
Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
E32139 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: Nankai Group | Statement: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nankai Group
Context triple: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
  • A. 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.
  • B. Keio Corporation
    Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
  • C. Yoshimoto Kogyo
    Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
  • D. Hankyu Hanshin Holdings, Inc.
    Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
  • E. 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.
  • 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: Nankai Group
Triple: [Nankai Electric Railway, parentCompanyOf, Nankai Group]
Generated description
Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nankai Group
Target entity description: Nankai Group is a Japanese corporate group centered around Nankai Electric Railway, encompassing businesses in transportation, real estate, retail, and related services primarily in the Kansai region.
  • A. 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.
  • B. Keio Corporation
    Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
  • C. Yoshimoto Kogyo
    Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
  • D. Hankyu Hanshin Holdings, Inc.
    Hankyu Hanshin Holdings, Inc. is a major Japanese corporate group centered on railway, real estate, and entertainment businesses, best known for operating the Hankyu and Hanshin railway lines and related enterprises in the Kansai region.
  • E. Nankai Electric Railway chosen
    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.
  • F. None of above.

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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa61f688148190bcc7c14372ce5bd1 completed March 6, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad3702076881908e07d770da1a6e4d completed March 8, 2026, 8:44 a.m.
NEDg Description generation batch_69ad378005d481908d2006470e8b476a completed March 8, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_69ad37d6b26c8190ba7baa9831b04e41 completed March 8, 2026, 8:48 a.m.
Created at: March 4, 2026, 7:26 p.m.