Triple

T6433533
Position Surface form Disambiguated ID Type / Status
Subject Iizuka, Fukuoka, Japan E129834 entity
Predicate servedByRailwayLine P848 FINISHED
Object Fukuhoku Yutaka Line
The Fukuhoku Yutaka Line is a regional railway line in Fukuoka Prefecture, Japan, operated by JR Kyushu and connecting several inland cities with the Fukuoka metropolitan area.
E849302 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: Fukuhoku Yutaka Line | Statement: [Iizuka, Fukuoka, Japan, servedByRailwayLine, Fukuhoku Yutaka Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fukuhoku Yutaka Line
Context triple: [Iizuka, Fukuoka, Japan, servedByRailwayLine, Fukuhoku Yutaka Line]
  • A. Fukutoshin Line
    The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
  • B. Fukuchiyama Line
    The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
  • C. 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.
  • D. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • E. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • 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: Fukuhoku Yutaka Line
Triple: [Iizuka, Fukuoka, Japan, servedByRailwayLine, Fukuhoku Yutaka Line]
Generated description
The Fukuhoku Yutaka Line is a regional railway line in Fukuoka Prefecture, Japan, operated by JR Kyushu and connecting several inland cities with the Fukuoka metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fukuhoku Yutaka Line
Target entity description: The Fukuhoku Yutaka Line is a regional railway line in Fukuoka Prefecture, Japan, operated by JR Kyushu and connecting several inland cities with the Fukuoka metropolitan area.
  • A. Fukutoshin Line
    The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
  • B. Fukuchiyama Line
    The Fukuchiyama Line is a major railway line in Japan operated by JR West that connects urban Osaka with the northern Hyōgo region, serving both commuter and intercity traffic.
  • C. 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.
  • D. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • E. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • 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_69c0084caac48190a7bc2ad8ba44536f completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0693f73ec8190883470b57f8141aa completed March 22, 2026, 10:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69d62a4407388190a5d80f4773dd3dad completed April 8, 2026, 10:13 a.m.
NEDg Description generation batch_69d62aaffdcc8190a6904a5244417cb5 completed April 8, 2026, 10:15 a.m.
NED2 Entity disambiguation (via description) batch_69d62b023fcc8190a6cd87f18b87824b completed April 8, 2026, 10:16 a.m.
Created at: March 22, 2026, 4:45 p.m.