Triple

T9916891
Position Surface form Disambiguated ID Type / Status
Subject Tobu Railway E185891 entity
Predicate operatesService P5884 FINISHED
Object 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.
 E830502 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: Kinugawa limited express | Statement: [Tobu Railway, operatesService, Kinugawa limited express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kinugawa limited express
Context triple: [Tobu Railway, operatesService, Kinugawa limited express]
  • A. 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.
  • B. 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.
  • C. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • D. Keisei Skyliner
    Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
  • E. Narita Express
    Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and 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: Kinugawa limited express
Triple: [Tobu Railway, operatesService, Kinugawa limited express]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kinugawa limited express
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Rokkō Liner
    Rokkō Liner is an automated guideway transit line in Kobe, Japan, connecting the artificial island of Rokkō Island with the mainland.
  • D. Keisei Skyliner
    Keisei Skyliner is a high-speed limited express train service in Japan that links central Tokyo with Narita International Airport.
  • E. Narita Express
    Narita Express is a limited express train service in Japan that provides fast, direct rail connections between central Tokyo and 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_69d228ae315c8190bedb2cbab0982118 completed April 5, 2026, 9:17 a.m.
NEDg Description generation batch_69d22990ef5881908b6a6100d7dcf6e6 completed April 5, 2026, 9:21 a.m.
NED2 Entity disambiguation (via description) batch_69d22a0cb0808190a6119dc0268c50b9 completed April 5, 2026, 9:23 a.m.
Created at: March 30, 2026, 8:42 p.m.