Triple

T14572949
Position Surface form Disambiguated ID Type / Status
Subject Sōbu Line E341964 entity
Predicate hasService P182 FINISHED
Object Shiosai limited express
The Shiosai limited express is a Japanese limited express train service operated by JR East that connects Tokyo with coastal destinations in Chiba Prefecture.
 E1109210 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: Shiosai limited express | Statement: [Sōbu Line, hasService, Shiosai limited express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shiosai limited express
Context triple: [Sōbu Line, hasService, Shiosai limited express]
  • A. Raichō limited express
    The Raichō limited express was a former Japanese limited express train service that operated mainly between Osaka and Kanazawa before being succeeded by the Thunderbird service.
  • B. Ryomo limited express
    The Ryomo limited express is a Japanese limited express train service providing fast, comfortable intercity travel on routes operated by Tobu Railway.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Shiosai limited express
Triple: [Sōbu Line, hasService, Shiosai limited express]
Generated description
The Shiosai limited express is a Japanese limited express train service operated by JR East that connects Tokyo with coastal destinations in Chiba Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shiosai limited express
Target entity description: The Shiosai limited express is a Japanese limited express train service operated by JR East that connects Tokyo with coastal destinations in Chiba Prefecture.
  • A. Raichō limited express
    The Raichō limited express was a former Japanese limited express train service that operated mainly between Osaka and Kanazawa before being succeeded by the Thunderbird service.
  • B. Ryomo limited express
    The Ryomo limited express is a Japanese limited express train service providing fast, comfortable intercity travel on routes operated by Tobu Railway.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d822dcc6248190bed689984bceb0e2 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb3f33b1c8190bb447788bfd28d51 completed April 14, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd94b5d97481908b2d3d531817a3a6 completed May 8, 2026, 7:45 a.m.
NEDg Description generation batch_69fda288eea081909b3f4a202e89d221 completed May 8, 2026, 8:44 a.m.
NED2 Entity disambiguation (via description) batch_69fda2fac5fc8190a924c296c74fbf14 completed May 8, 2026, 8:46 a.m.
Created at: April 10, 2026, 1:24 a.m.