Triple

T9916892
Position Surface form Disambiguated ID Type / Status
Subject Tobu Railway E185891 entity
Predicate operatesService P5884 FINISHED
Object 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.
 E832642 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: Kegon limited express | Statement: [Tobu Railway, operatesService, Kegon limited express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kegon limited express
Context triple: [Tobu Railway, operatesService, Kegon limited express]
  • A. 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.
  • B. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • C. 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.
  • D. 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.
  • E. Keisei Skyliner
    Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
  • 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: Kegon limited express
Triple: [Tobu Railway, operatesService, Kegon limited express]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kegon limited express
Target entity description: 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.
  • A. 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.
  • B. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • C. 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.
  • D. 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.
  • E. Keisei Skyliner
    Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
  • 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_69ca829b45f481909040f7b99a1976ed completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cdb540195881908f25f7dde5c66a75 completed April 2, 2026, 12:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d23d2e676c81909e4eed258ecdf053 completed April 5, 2026, 10:45 a.m.
NEDg Description generation batch_69d24135c0b88190ad018858b99e0bde completed April 5, 2026, 11:02 a.m.
NED2 Entity disambiguation (via description) batch_69d241ca07b481908a2852ed15ed5cf2 completed April 5, 2026, 11:04 a.m.
Created at: March 30, 2026, 8:42 p.m.