Triple

T20091366
Position Surface form Disambiguated ID Type / Status
Subject Sapporo Station E496276 entity
Predicate servedByService P1294 FINISHED
Object 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.
E1409622 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: Limited Express Okhotsk | Statement: [Sapporo Station, servedByService, Limited Express Okhotsk]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Limited Express Okhotsk
Context triple: [Sapporo Station, servedByService, Limited Express Okhotsk]
  • A. Kuroshio limited express
    The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
  • B. 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.
  • C. Chūgoku EXP
    Chūgoku EXP is a major Japanese expressway forming part of the national expressway network and serving the Chūgoku region of western Honshu.
  • D. Nankai Limited Express Rapi:t
    Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
  • E. Ariake limited express
    Ariake limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Fukuoka and Kumamoto.
  • 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: Limited Express Okhotsk
Triple: [Sapporo Station, servedByService, Limited Express Okhotsk]
Generated description
Limited Express Okhotsk is a Japanese limited express train service operated by JR Hokkaido that connects Sapporo with eastern Hokkaido, particularly the Abashiri area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Limited Express Okhotsk
Target entity description: Limited Express Okhotsk is a Japanese limited express train service operated by JR Hokkaido that connects Sapporo with eastern Hokkaido, particularly the Abashiri area.
  • A. Kuroshio limited express
    The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
  • B. 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.
  • C. Chūgoku EXP
    Chūgoku EXP is a major Japanese expressway forming part of the national expressway network and serving the Chūgoku region of western Honshu.
  • D. Nankai Limited Express Rapi:t
    Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
  • E. Ariake limited express
    Ariake limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Fukuoka and Kumamoto.
  • 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6655edde08190a3f950e7f0c7cf9c completed April 20, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_6a081f4e5b8c81909c170e7a2103f667 completed May 16, 2026, 7:39 a.m.
NEDg Description generation batch_6a081ff7022c81908859a7f5b6a3506d completed May 16, 2026, 7:42 a.m.
NED2 Entity disambiguation (via description) batch_6a08209cbaf88190b2a6d1284fc02228 completed May 16, 2026, 7:45 a.m.
Created at: April 11, 2026, 11:21 p.m.