Triple

T21323877
Position Surface form Disambiguated ID Type / Status
Subject Aichi Loop Line E525695 entity
Predicate operator P179 FINISHED
Object Aichi Loop Railway Company
Aichi Loop Railway Company is a Japanese private railway operator that manages and runs regional passenger train services in Aichi Prefecture.
E1496475 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: Aichi Loop Railway Company | Statement: [Aichi Loop Line, operator, Aichi Loop Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Aichi Loop Railway Company
Context triple: [Aichi Loop Line, operator, Aichi Loop Railway Company]
  • A. Sanyo Electric Railway
    Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
  • B. Odakyu Electric Railway
    Odakyu Electric Railway is a major private railway company in Japan that operates commuter and limited express train services connecting central Tokyo with surrounding suburban and regional areas.
  • C. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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. Toyohashi Railroad
    Toyohashi Railroad is a Japanese public transportation company that operates railway and tram lines primarily in Toyohashi, Aichi Prefecture.
  • 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: Aichi Loop Railway Company
Triple: [Aichi Loop Line, operator, Aichi Loop Railway Company]
Generated description
Aichi Loop Railway Company is a Japanese private railway operator that manages and runs regional passenger train services in Aichi Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Aichi Loop Railway Company
Target entity description: Aichi Loop Railway Company is a Japanese private railway operator that manages and runs regional passenger train services in Aichi Prefecture.
  • A. Sanyo Electric Railway
    Sanyo Electric Railway is a Japanese private railway company operating commuter rail services primarily in Hyōgo Prefecture, including routes that interconnect with other major regional rail networks.
  • B. Odakyu Electric Railway
    Odakyu Electric Railway is a major private railway company in Japan that operates commuter and limited express train services connecting central Tokyo with surrounding suburban and regional areas.
  • C. Keifuku Electric Railroad
    Keifuku Electric Railroad is a Japanese private railway company in Kyoto best known for operating the Randen tram lines that serve popular sightseeing areas such as Arashiyama.
  • 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. Toyohashi Railroad
    Toyohashi Railroad is a Japanese public transportation company that operates railway and tram lines primarily in Toyohashi, Aichi Prefecture.
  • 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_69e0b51ad810819098c12392c8e55f6c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e77ed652c881909b0db482bc090993 completed April 21, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a1dff1fbc819091ff7495d1cc222c completed May 17, 2026, 7:58 p.m.
NEDg Description generation batch_6a0a1eac9b648190881c97d474762fc0 completed May 17, 2026, 8:01 p.m.
NED2 Entity disambiguation (via description) batch_6a0a1f3b77488190bfb73b9e83446bb3 completed May 17, 2026, 8:04 p.m.
Created at: April 16, 2026, 4:40 p.m.