Triple

T6314008
Position Surface form Disambiguated ID Type / Status
Subject Utsunomiya Station E141570 entity
Predicate servedBy P82 FINISHED
Object Karasuyama Line
The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
E848902 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: Karasuyama Line | Statement: [Utsunomiya Station, servedBy, Karasuyama Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Karasuyama Line
Context triple: [Utsunomiya Station, servedBy, Karasuyama Line]
  • A. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • B. 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.
  • C. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • D. 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.
  • E. 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.
  • 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: Karasuyama Line
Triple: [Utsunomiya Station, servedBy, Karasuyama Line]
Generated description
The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Karasuyama Line
Target entity description: The Karasuyama Line is a regional railway line in Tochigi Prefecture, Japan, operated by JR East and connecting Utsunomiya with the town of Nasukarasuyama.
  • A. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • B. 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.
  • C. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • D. 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.
  • E. 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.
  • 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_69d534fbc3fc8190b64611ef1de92865 completed April 7, 2026, 4:46 p.m.
NEDg Description generation batch_69d53663d4c881908647591cfb658223 completed April 7, 2026, 4:52 p.m.
NED2 Entity disambiguation (via description) batch_69d536c5d5c88190a9caac68f10990a9 completed April 7, 2026, 4:54 p.m.
Created at: March 22, 2026, 4:28 p.m.