Triple

T5728320
Position Surface form Disambiguated ID Type / Status
Subject Kakegawa, Japan E126319 entity
Predicate servedByRailway P848 FINISHED
Object Tenryū Hamanako Line
The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
E691545 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: Tenryū Hamanako Line | Statement: [Kakegawa, Japan, servedByRailway, Tenryū Hamanako Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tenryū Hamanako Line
Context triple: [Kakegawa, Japan, servedByRailway, Tenryū Hamanako Line]
  • A. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • B. Minobu Line
    The Minobu Line is a regional railway line in Japan operated by JR Central that connects Fuji in Shizuoka Prefecture with Kōfu in Yamanashi Prefecture, serving communities along the Fuji River.
  • C. 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.
  • D. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
  • E. 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.
  • 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: Tenryū Hamanako Line
Triple: [Kakegawa, Japan, servedByRailway, Tenryū Hamanako Line]
Generated description
The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tenryū Hamanako Line
Target entity description: The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
  • A. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • B. Minobu Line
    The Minobu Line is a regional railway line in Japan operated by JR Central that connects Fuji in Shizuoka Prefecture with Kōfu in Yamanashi Prefecture, serving communities along the Fuji River.
  • C. 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.
  • D. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
  • E. 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.
  • 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_69c0082f723881908ce8bb13a0c0f8b7 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0250d5f4c8190a36b43ef5e6c7837 completed March 22, 2026, 5:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c98f54f0908190afec4f26e96d8173 completed March 29, 2026, 8:45 p.m.
NEDg Description generation batch_69c990477ec881909ba48e92ec8ef64f completed March 29, 2026, 8:49 p.m.
NED2 Entity disambiguation (via description) batch_69c9909f9fac81909a15f09cbb654524 completed March 29, 2026, 8:50 p.m.
Created at: March 22, 2026, 3:47 p.m.