Triple

T6314007
Position Surface form Disambiguated ID Type / Status
Subject Utsunomiya Station E141570 entity
Predicate servedBy P82 FINISHED
Object Nikkō Line
The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
E848878 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: Nikkō Line | Statement: [Utsunomiya Station, servedBy, Nikkō Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nikkō Line
Context triple: [Utsunomiya Station, servedBy, Nikkō Line]
  • A. Ōme Line
    The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
  • 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. Ueno-Tokyo Line
    The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
  • D. 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.
  • E. Musashino Line
    The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
  • 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: Nikkō Line
Triple: [Utsunomiya Station, servedBy, Nikkō Line]
Generated description
The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nikkō Line
Target entity description: The Nikkō Line is a railway line in Tochigi Prefecture, Japan, operated by JR East that connects Utsunomiya with the historic city of Nikkō, serving as a key route for both local commuters and tourists.
  • A. Ōme Line
    The Ōme Line is a railway line in western Tokyo, Japan, operated by JR East, connecting the city’s suburban and mountainous areas to the central rail network.
  • 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. Ueno-Tokyo Line
    The Ueno-Tokyo Line is a railway corridor in central Tokyo that connects Ueno Station with Tokyo Station, enabling through-services between multiple JR East commuter and intercity lines.
  • D. 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.
  • E. Musashino Line
    The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
  • 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_69c008d00efc8190a36c05b4b4a3bf4b completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064a075dc8190acf7ec010cb4b00c completed March 22, 2026, 9:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69d526cc1be88190a38ec5d3fa7572bf completed April 7, 2026, 3:46 p.m.
NEDg Description generation batch_69d52745361c8190ac6e35de8a1d0075 completed April 7, 2026, 3:48 p.m.
NED2 Entity disambiguation (via description) batch_69d527a6d38c8190831e2b4f091ba0e2 completed April 7, 2026, 3:49 p.m.
Created at: March 22, 2026, 4:28 p.m.