Triple

T14733534
Position Surface form Disambiguated ID Type / Status
Subject JR East Nambu Line E346140 entity
Predicate connectsWith P37 FINISHED
Object JR Keihin-Tōhoku Line — NE NERFINISHED

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: JR Keihin-Tōhoku Line | Statement: [JR East Nambu Line, connectsWith, JR Keihin-Tōhoku Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Keihin-Tōhoku Line
Context triple: [JR East Nambu Line, connectsWith, JR Keihin-Tōhoku Line]
  • A. JR Keihin-Tohoku Line chosen
    The JR Keihin-Tohoku Line is a major Japanese railway line operated by JR East that runs north–south through the Tokyo metropolitan area, connecting key cities such as Saitama, Tokyo, and Yokohama.
  • B. Keihin-Tōhoku Line
    The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
  • C. JR East Tōkaidō Main Line
    The JR East Tōkaidō Main Line is a major railway corridor in Japan that runs along the Pacific coast of Honshu, connecting Tokyo with key cities in the Kantō and Tōkai regions.
  • D. JR Jōban Line
    The JR Jōban Line is a major Japanese railway line operated by JR East that runs from central Tokyo through Chiba and Ibaraki Prefectures toward the Tōhoku region.
  • E. Tōhoku Main Line
    The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d822e5911c8190ba589f957dbd9ba7 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec72ea9348190817efcdaa973d7f7 completed April 14, 2026, 11:01 p.m.
Created at: April 10, 2026, 1:29 a.m.