Triple

T7605666
Position Surface form Disambiguated ID Type / Status
Subject Jōetsu Shinkansen E180096 entity
Predicate usesRollingStock P5426 FINISHED
Object E7 series Shinkansen E345904 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: E7 series Shinkansen | Statement: [Jōetsu Shinkansen, usesRollingStock, E7 series Shinkansen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: E7 series Shinkansen
Context triple: [Jōetsu Shinkansen, usesRollingStock, E7 series Shinkansen]
  • A. E2 series Shinkansen
    The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
  • B. E4 series Shinkansen
    The E4 series Shinkansen is a Japanese double-decker high-speed train type designed to carry large numbers of passengers on busy Shinkansen routes.
  • C. N700 series Shinkansen
    The N700 series Shinkansen is a high-speed Japanese bullet train known for its tilting technology, energy efficiency, and operation on major routes such as the Tokaido and Sanyo Shinkansen lines.
  • D. 700 series Shinkansen
    The 700 series Shinkansen is a Japanese high-speed train type introduced in the late 1990s, known for its distinctive "duck-bill" nose design and service on major Shinkansen lines.
  • E. Series E7 Shinkansen chosen
    The Series E7 Shinkansen is a Japanese high-speed train type operated by JR East, known for its advanced safety features, comfort-focused interior, and service on routes such as the Hokuriku Shinkansen.
  • 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_69c69f3567008190ab01d2ca7b53584a completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9fcfcfc8190a29a0b5cd3e8927a completed March 27, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c89a9dd42c8190bd03e960ebad8df9 completed March 29, 2026, 3:21 a.m.
Created at: March 27, 2026, 3:54 p.m.