Triple

T11685759
Position Surface form Disambiguated ID Type / Status
Subject Kyushu Railway Company E277737 entity
Predicate operatesLine P15252 FINISHED
Object Nichinan Line
The Nichinan Line is a coastal railway route in Miyazaki Prefecture, Japan, known for its scenic views of the Pacific Ocean and service to local communities and tourist destinations.
E1321711 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: Nichinan Line | Statement: [Kyushu Railway Company, operatesLine, Nichinan Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nichinan Line
Context triple: [Kyushu Railway Company, operatesLine, Nichinan Line]
  • A. Nambu Line
    The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
  • B. Uchibō Line
    The Uchibō Line is a coastal railway route in Chiba Prefecture, Japan, operated by JR East and known for connecting Tokyo’s outskirts with towns along the western side of the Bōsō Peninsula.
  • C. Takashinohama Line
    The Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passenger traffic.
  • D. Jōban Line
    The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
  • E. Sekisho Line
    The Sekisho Line is a railway line in Hokkaido, Japan, providing a key inland route that connects the Sapporo area with eastern Hokkaido.
  • 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: Nichinan Line
Triple: [Kyushu Railway Company, operatesLine, Nichinan Line]
Generated description
The Nichinan Line is a coastal railway route in Miyazaki Prefecture, Japan, known for its scenic views of the Pacific Ocean and service to local communities and tourist destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nichinan Line
Target entity description: The Nichinan Line is a coastal railway route in Miyazaki Prefecture, Japan, known for its scenic views of the Pacific Ocean and service to local communities and tourist destinations.
  • A. Nambu Line
    The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
  • B. Uchibō Line
    The Uchibō Line is a coastal railway route in Chiba Prefecture, Japan, operated by JR East and known for connecting Tokyo’s outskirts with towns along the western side of the Bōsō Peninsula.
  • C. Takashinohama Line
    The Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passenger traffic.
  • D. Jōban Line
    The Jōban Line is a major railway corridor in Japan operated by JR East, connecting central Tokyo with the northeastern Kanto and Tōhoku regions along the Pacific coast.
  • E. Sekisho Line
    The Sekisho Line is a railway line in Hokkaido, Japan, providing a key inland route that connects the Sapporo area with eastern Hokkaido.
  • 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_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a463f6448190a4c8e1651a2bd905 completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03d75acf8c819097af363f3ba93ae0 completed May 13, 2026, 1:43 a.m.
NEDg Description generation batch_6a03d8776b0c819094ffeedfc780ed58 completed May 13, 2026, 1:48 a.m.
NED2 Entity disambiguation (via description) batch_6a03dc489164819086d72b120830e60c completed May 13, 2026, 2:04 a.m.
Created at: April 8, 2026, 9:40 p.m.