Triple

T6402762
Position Surface form Disambiguated ID Type / Status
Subject Takasaki Station E144101 entity
Predicate railwayLineServed P848 FINISHED
Object Agatsuma Line
The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
E849246 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: Agatsuma Line | Statement: [Takasaki Station, railwayLineServed, Agatsuma Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Agatsuma Line
Context triple: [Takasaki Station, railwayLineServed, Agatsuma Line]
  • A. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • 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. Sotobō Line
    The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo area.
  • 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. Tsuyama Line
    The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
  • 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: Agatsuma Line
Triple: [Takasaki Station, railwayLineServed, Agatsuma Line]
Generated description
The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Agatsuma Line
Target entity description: The Agatsuma Line is a regional railway line in Gunma Prefecture, Japan, operated by JR East and known for running through scenic onsen and river valley areas.
  • A. Yumesaki Line
    The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
  • 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. Sotobō Line
    The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo area.
  • 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. Tsuyama Line
    The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
  • 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_69c008dc56fc81908d43ffcc11d73bdd completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c068af3f448190a94ecd5109e9e8e4 completed March 22, 2026, 10:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69d5ffe43c488190b60ea41922211d53 completed April 8, 2026, 7:12 a.m.
NEDg Description generation batch_69d60055d8248190bd295ea0f4782950 completed April 8, 2026, 7:14 a.m.
NED2 Entity disambiguation (via description) batch_69d600e7ac908190903eff3a130603d1 completed April 8, 2026, 7:16 a.m.
Created at: March 22, 2026, 4:35 p.m.