Triple

T10686833
Position Surface form Disambiguated ID Type / Status
Subject Meguro Station E251899 entity
Predicate servedByLine P1293 FINISHED
Object Saikyō Line (through service via Shōnan–Shinjuku Line patterns may not stop) E623123 NE FINISHED

How this triple was built (2 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: Saikyō Line (through service via Shōnan–Shinjuku Line patterns may not stop) | Statement: [Meguro Station, servedByLine, Saikyō Line (through service via Shōnan–Shinjuku Line patterns may not stop)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Saikyō Line (through service via Shōnan–Shinjuku Line patterns may not stop)
Context triple: [Meguro Station, servedByLine, Saikyō Line (through service via Shōnan–Shinjuku Line patterns may not stop)]
  • A. through services with Shōnan–Shinjuku Line
    Through services with the Shōnan–Shinjuku Line are train operations that run directly between the Yokosuka Line and Shōnan–Shinjuku Line routes without requiring passengers to transfer.
  • B. Itsukaichi Line (through services)
    The Itsukaichi Line (through services) is a Japanese railway service pattern that allows trains to run directly between the Itsukaichi Line and connecting lines without requiring passengers to transfer.
  • C. Sanin Main Line (partial)
    The Sanin Main Line is a major railway route in western Japan that runs along the Sea of Japan coast, connecting numerous cities and rural areas across the San'in region.
  • D. JR Saikyo Line (at Ikebukuro Station) chosen
    The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
  • E. JR Joban Line (via Kita-Senju)
    The JR Joban Line (via Kita-Senju) is a major commuter rail corridor in the Tokyo metropolitan area that provides through-services between central Tokyo and the Joban region of Ibaraki and beyond.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aa5bd7c08190a816e733b4045c23 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fd192220819088eff88148376266 completed April 9, 2026, 1:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69d98894cea48190877a015dcb645bee completed April 10, 2026, 11:32 p.m.
Created at: April 8, 2026, 9:10 p.m.