Triple

T20986543
Position Surface form Disambiguated ID Type / Status
Subject Yamanashi Prefecture E516903 entity
Predicate hasExpressway P385 FINISHED
Object Chūbu-Ōdan Expressway
The Chūbu-Ōdan Expressway is a major Japanese expressway that traverses the Chūbu region, linking inland prefectures and facilitating north–south transportation through central Honshu.
E1461684 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: Chūbu-Ōdan Expressway | Statement: [Yamanashi Prefecture, hasExpressway, Chūbu-Ōdan Expressway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chūbu-Ōdan Expressway
Context triple: [Yamanashi Prefecture, hasExpressway, Chūbu-Ōdan Expressway]
  • A. Jōban Expressway
    Jōban Expressway is a major Japanese expressway running along the Pacific coast of eastern Honshu, connecting the Tokyo area with the Tōhoku region.
  • B. Higashi-Meihan Expressway
    The Higashi-Meihan Expressway is a major Japanese expressway linking the Nagoya and Osaka regions, serving as a key route for traffic across central Honshu.
  • C. Tōkai-Kanjō Expressway
    The Tōkai-Kanjō Expressway is a major regional expressway in Japan that forms a loop around the Tōkai metropolitan area, connecting key cities and industrial zones in Aichi and surrounding prefectures.
  • D. Nishi-Meihan Expressway
    Nishi-Meihan Expressway is a major expressway in Japan’s Kansai region that connects parts of Osaka and Nara Prefectures, serving as an important route for regional traffic and logistics.
  • E. Shin-Tōmei Expressway
    The Shin-Tōmei Expressway is a major Japanese toll road running through central Honshū that serves as a high-capacity, faster alternative to the original Tōmei Expressway between the Tokyo and Nagoya regions.
  • 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: Chūbu-Ōdan Expressway
Triple: [Yamanashi Prefecture, hasExpressway, Chūbu-Ōdan Expressway]
Generated description
The Chūbu-Ōdan Expressway is a major Japanese expressway that traverses the Chūbu region, linking inland prefectures and facilitating north–south transportation through central Honshu.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chūbu-Ōdan Expressway
Target entity description: The Chūbu-Ōdan Expressway is a major Japanese expressway that traverses the Chūbu region, linking inland prefectures and facilitating north–south transportation through central Honshu.
  • A. Jōban Expressway
    Jōban Expressway is a major Japanese expressway running along the Pacific coast of eastern Honshu, connecting the Tokyo area with the Tōhoku region.
  • B. Higashi-Meihan Expressway
    The Higashi-Meihan Expressway is a major Japanese expressway linking the Nagoya and Osaka regions, serving as a key route for traffic across central Honshu.
  • C. Tōkai-Kanjō Expressway
    The Tōkai-Kanjō Expressway is a major regional expressway in Japan that forms a loop around the Tōkai metropolitan area, connecting key cities and industrial zones in Aichi and surrounding prefectures.
  • D. Nishi-Meihan Expressway
    Nishi-Meihan Expressway is a major expressway in Japan’s Kansai region that connects parts of Osaka and Nara Prefectures, serving as an important route for regional traffic and logistics.
  • E. Shin-Tōmei Expressway
    The Shin-Tōmei Expressway is a major Japanese toll road running through central Honshū that serves as a high-capacity, faster alternative to the original Tōmei Expressway between the Tokyo and Nagoya regions.
  • 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_69e0b4ffac148190bbade9f0eceb660b completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fbe31cec8190a1007414148b8abe completed April 21, 2026, 4:24 a.m.
NED1 Entity disambiguation (via context triple) batch_6a093b4debcc8190bedc21f0d64e2441 completed May 17, 2026, 3:51 a.m.
NEDg Description generation batch_6a093e9f92648190a332008992868ec3 completed May 17, 2026, 4:05 a.m.
NED2 Entity disambiguation (via description) batch_6a093f2a17e881908f672e05d38054f8 completed May 17, 2026, 4:08 a.m.
Created at: April 16, 2026, 1:49 p.m.