Triple

T17144728
Position Surface form Disambiguated ID Type / Status
Subject Takamatsu-Kotohira Electric Railroad E416060 entity
Predicate nativeName P15 FINISHED
Object 高松琴平電気鉄道株式会社
高松琴平電気鉄道株式会社 is a Japanese private railway company in Kagawa Prefecture that operates the Kotoden network connecting Takamatsu with surrounding areas including Kotohira.
 E1253276 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: 高松琴平電気鉄道株式会社 | Statement: [Takamatsu-Kotohira Electric Railroad, nativeName, 高松琴平電気鉄道株式会社]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 高松琴平電気鉄道株式会社
Context triple: [Takamatsu-Kotohira Electric Railroad, nativeName, 高松琴平電気鉄道株式会社]
  • 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. Eizan Electric Railway
    Eizan Electric Railway is a Japanese private railway company in Kyoto that operates scenic local train lines connecting the city to the northern mountainous and temple-rich areas.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: 高松琴平電気鉄道株式会社
Triple: [Takamatsu-Kotohira Electric Railroad, nativeName, 高松琴平電気鉄道株式会社]
Generated description
高松琴平電気鉄道株式会社 is a Japanese private railway company in Kagawa Prefecture that operates the Kotoden network connecting Takamatsu with surrounding areas including Kotohira.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 高松琴平電気鉄道株式会社
Target entity description: 高松琴平電気鉄道株式会社 is a Japanese private railway company in Kagawa Prefecture that operates the Kotoden network connecting Takamatsu with surrounding areas including Kotohira.
  • 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. Eizan Electric Railway
    Eizan Electric Railway is a Japanese private railway company in Kyoto that operates scenic local train lines connecting the city to the northern mountainous and temple-rich areas.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d886d15af4819092f92f8a129763e6 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f2d8ca8c81909bba0cd6d60a4776 completed April 18, 2026, 9:08 p.m.
NED1 Entity disambiguation (via context triple) batch_6a01415718c88190834fedae7b01ac69 completed May 11, 2026, 2:39 a.m.
NEDg Description generation batch_6a014529e7908190bab3e351cdc78c7c completed May 11, 2026, 2:55 a.m.
NED2 Entity disambiguation (via description) batch_6a014595ca108190ad1587287987fc01 completed May 11, 2026, 2:57 a.m.
Created at: April 10, 2026, 5:36 a.m.