Triple

T5935541
Position Surface form Disambiguated ID Type / Status
Subject JR East urban network E132032 entity
Predicate hasLine P35 FINISHED
Object Sotobō Line (urban section)
The Sotobō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving densely populated suburbs with frequent urban train services.
 E568975 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: Sotobō Line (urban section) | Statement: [JR East urban network, hasLine, Sotobō Line (urban section)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sotobō Line (urban section)
Context triple: [JR East urban network, hasLine, Sotobō Line (urban section)]
  • A. Uchibō Line (urban section)
    The Uchibō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving densely populated coastal districts with frequent local and rapid services.
  • B. Ryōmō Line (urban section)
    The Ryōmō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving as part of its metropolitan urban rail network.
  • C. Sanyō Main Line (urban section)
    The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
  • D. Fukuchiyama Line urban section
    The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
  • E. Kawagoe Line (urban section)
    The Kawagoe Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, linking suburban communities with major urban hubs as part of the company’s metropolitan 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: Sotobō Line (urban section)
Triple: [JR East urban network, hasLine, Sotobō Line (urban section)]
Generated description
The Sotobō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving densely populated suburbs with frequent urban train services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sotobō Line (urban section)
Target entity description: The Sotobō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving densely populated suburbs with frequent urban train services.
  • A. Uchibō Line (urban section)
    The Uchibō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving densely populated coastal districts with frequent local and rapid services.
  • B. Ryōmō Line (urban section)
    The Ryōmō Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, serving as part of its metropolitan urban rail network.
  • C. Sanyō Main Line (urban section)
    The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
  • D. Fukuchiyama Line urban section
    The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
  • E. Kawagoe Line (urban section)
    The Kawagoe Line (urban section) is a commuter rail corridor in the Greater Tokyo area operated by JR East, linking suburban communities with major urban hubs as part of the company’s metropolitan 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_69c0085c55dc8190aa90e242c956e2fa completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c038eb56ec81909be03509730b7cc1 completed March 22, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69c125019b188190ac8c6a9bdc3a4e53 completed March 23, 2026, 11:33 a.m.
NEDg Description generation batch_69c125d888cc819092b765d47f1d9f9f completed March 23, 2026, 11:36 a.m.
NED2 Entity disambiguation (via description) batch_69c126f308988190ab6cb6c79ea12877 completed March 23, 2026, 11:41 a.m.
Created at: March 22, 2026, 4:01 p.m.