Triple

T12235485
Position Surface form Disambiguated ID Type / Status
Subject Kakogawa E291579 entity
Predicate servedByRailwayLine P848 FINISHED
Object San'yō Electric Railway Main Line
The San'yō Electric Railway Main Line is a major private railway route in Japan’s Kansai region, running along the Seto Inland Sea coast and connecting cities in Hyōgo Prefecture.
E1387389 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: San'yō Electric Railway Main Line | Statement: [Kakogawa, servedByRailwayLine, San'yō Electric Railway Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San'yō Electric Railway Main Line
Context triple: [Kakogawa, servedByRailwayLine, San'yō Electric Railway Main Line]
  • A. Keikyū Main Line
    The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
  • B. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • C. Keisei Main Line
    The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
  • D. Saikyō Line
    The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
  • E. Yokosuka Line
    The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
  • 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: San'yō Electric Railway Main Line
Triple: [Kakogawa, servedByRailwayLine, San'yō Electric Railway Main Line]
Generated description
The San'yō Electric Railway Main Line is a major private railway route in Japan’s Kansai region, running along the Seto Inland Sea coast and connecting cities in Hyōgo Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San'yō Electric Railway Main Line
Target entity description: The San'yō Electric Railway Main Line is a major private railway route in Japan’s Kansai region, running along the Seto Inland Sea coast and connecting cities in Hyōgo Prefecture.
  • A. Keikyū Main Line
    The Keikyū Main Line is a major private railway line in the Greater Tokyo area of Japan, operated by Keikyu Corporation and serving as a key commuter route between central Tokyo and cities in Kanagawa Prefecture.
  • B. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • C. Keisei Main Line
    The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
  • D. Saikyō Line
    The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
  • E. Yokosuka Line
    The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
  • 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_69d6ab668acc8190963ba424049d6aee completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91cb2892c81909a97b3ad6ec2c21b completed April 10, 2026, 3:52 p.m.
NED1 Entity disambiguation (via context triple) batch_6a077ec78090819084a2de678e52cdec completed May 15, 2026, 8:15 p.m.
NEDg Description generation batch_6a077fe7a3d48190bec5fea223209e0b completed May 15, 2026, 8:19 p.m.
NED2 Entity disambiguation (via description) batch_6a07804bcfa8819084953039cef5a5d8 completed May 15, 2026, 8:21 p.m.
Created at: April 8, 2026, 9:51 p.m.