Triple

T1426950
Position Surface form Disambiguated ID Type / Status
Subject Nagaoka, Niigata, Japan E30353 entity
Predicate servedBy P82 FINISHED
Object Jōetsu Line
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
E279244 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: Jōetsu Line | Statement: [Nagaoka, Niigata, Japan, servedBy, Jōetsu Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Jōetsu Line
Context triple: [Nagaoka, Niigata, Japan, servedBy, Jōetsu Line]
  • A. Shinetsu Main Line
    The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
  • B. Utsunomiya Line
    The Utsunomiya Line is a major JR East railway corridor in Japan connecting Tokyo with Utsunomiya and other cities in Tochigi Prefecture, serving as an important commuter and intercity route in the Kanto region.
  • C. Takasaki Line
    The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
  • D. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • E. Sakaisuji Line
    The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
  • 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: Jōetsu Line
Triple: [Nagaoka, Niigata, Japan, servedBy, Jōetsu Line]
Generated description
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Jōetsu Line
Target entity description: The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
  • A. Shinetsu Main Line
    The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
  • B. Utsunomiya Line
    The Utsunomiya Line is a major JR East railway corridor in Japan connecting Tokyo with Utsunomiya and other cities in Tochigi Prefecture, serving as an important commuter and intercity route in the Kanto region.
  • C. Takasaki Line
    The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
  • D. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • E. Sakaisuji Line
    The Sakaisuji Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and connecting key districts through north–south underground service.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c4be7d208190bcfb46239bd72e56 completed March 1, 2026, 10:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69af6523d8f4819082396925561acdc4 completed March 10, 2026, 12:26 a.m.
NEDg Description generation batch_69af67ab5eb88190805a6ce91a798a9f completed March 10, 2026, 12:36 a.m.
NED2 Entity disambiguation (via description) batch_69af686f67fc8190baaf4cabebfcb691 completed March 10, 2026, 12:40 a.m.
Created at: March 1, 2026, 8 p.m.