Triple

T20091369
Position Surface form Disambiguated ID Type / Status
Subject Sapporo Station E496276 entity
Predicate servedByService P1294 FINISHED
Object Limited Express Hokuto — NE NERFINISHED

How this triple was built (3 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: Limited Express Hokuto | Statement: [Sapporo Station, servedByService, Limited Express Hokuto]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Limited Express Hokuto
Context triple: [Sapporo Station, servedByService, Limited Express Hokuto]
  • A. Limited Express Kamui
    Limited Express Kamui is a Japanese limited express train service in Hokkaido that connects Sapporo with surrounding cities, offering fast and comfortable intercity travel.
  • B. Limited Express Okhotsk
    Limited Express Okhotsk is a Japanese limited express train service operated by JR Hokkaido that connects Sapporo with eastern Hokkaido, particularly the Abashiri area.
  • C. Kinugawa limited express
    The Kinugawa limited express is a Japanese limited express train service connecting Tokyo-area stations with the Kinugawa Onsen hot spring resort area in Tochigi Prefecture.
  • D. Kegon limited express
    The Kegon limited express is a Japanese limited express train service connecting Tokyo with the Nikko area, known for providing fast and comfortable access to the popular tourist destination.
  • E. Haruka limited express
    Haruka limited express is a Japanese limited express train service connecting Kansai International Airport with major destinations such as Kyoto and Osaka, primarily serving airport travelers.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Limited Express Hokuto
Target entity description: Limited Express Hokuto is a Japanese limited express train service in Hokkaido that connects Sapporo with Hakodate, known for linking major cities along the southern coast of the island.
  • A. Limited Express Kamui
    Limited Express Kamui is a Japanese limited express train service in Hokkaido that connects Sapporo with surrounding cities, offering fast and comfortable intercity travel.
  • B. Limited Express Okhotsk
    Limited Express Okhotsk is a Japanese limited express train service operated by JR Hokkaido that connects Sapporo with eastern Hokkaido, particularly the Abashiri area.
  • C. Kinugawa limited express
    The Kinugawa limited express is a Japanese limited express train service connecting Tokyo-area stations with the Kinugawa Onsen hot spring resort area in Tochigi Prefecture.
  • D. Kegon limited express
    The Kegon limited express is a Japanese limited express train service connecting Tokyo with the Nikko area, known for providing fast and comfortable access to the popular tourist destination.
  • E. Haruka limited express
    Haruka limited express is a Japanese limited express train service connecting Kansai International Airport with major destinations such as Kyoto and Osaka, primarily serving airport travelers.
  • F. None of above. chosen

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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6655edde08190a3f950e7f0c7cf9c completed April 20, 2026, 5:41 p.m.
Created at: April 11, 2026, 11:21 p.m.