Triple

T2327818
Position Surface form Disambiguated ID Type / Status
Subject Saitama Prefecture E48329 entity
Predicate hasExpressway P385 FINISHED
Object Kan-Etsu Expressway
The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
E272436 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: Kan-Etsu Expressway | Statement: [Saitama Prefecture, hasExpressway, Kan-Etsu Expressway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kan-Etsu Expressway
Context triple: [Saitama Prefecture, hasExpressway, Kan-Etsu Expressway]
  • A. 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.
  • B. Shin-Meishin Expressway
    The Shin-Meishin Expressway is a major Japanese expressway that serves as an alternative and bypass route to the original Meishin Expressway, helping to alleviate congestion in the Kansai region.
  • C. Meishin Expressway
    The Meishin Expressway is a major Japanese toll highway linking the Nagoya and Kobe regions, forming a key part of the transportation network in the Kansai area.
  • D. Tōmei Expressway
    The Tōmei Expressway is a major Japanese expressway connecting Tokyo and Nagoya, serving as a key artery for traffic and freight along the Pacific coast of Honshu.
  • E. Kyoto-Jukan Expressway
    The Kyoto-Jukan Expressway is a major expressway in Japan that connects the Kyoto area with the northern part of the Kansai region, improving access to the Sea of Japan coast.
  • 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: Kan-Etsu Expressway
Triple: [Saitama Prefecture, hasExpressway, Kan-Etsu Expressway]
Generated description
The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kan-Etsu Expressway
Target entity description: The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
  • A. 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.
  • B. Shin-Meishin Expressway
    The Shin-Meishin Expressway is a major Japanese expressway that serves as an alternative and bypass route to the original Meishin Expressway, helping to alleviate congestion in the Kansai region.
  • C. Meishin Expressway
    The Meishin Expressway is a major Japanese toll highway linking the Nagoya and Kobe regions, forming a key part of the transportation network in the Kansai area.
  • D. Tōmei Expressway
    The Tōmei Expressway is a major Japanese expressway connecting Tokyo and Nagoya, serving as a key artery for traffic and freight along the Pacific coast of Honshu.
  • E. Kyoto-Jukan Expressway
    The Kyoto-Jukan Expressway is a major expressway in Japan that connects the Kyoto area with the northern part of the Kansai region, improving access to the Sea of Japan coast.
  • 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_69a88aa308a88190b0b86c011fda7fce completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abc64c7f1881909b0d847f7782e803 completed March 7, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69af1f78cce88190a74f9ab6a540fe83 completed March 9, 2026, 7:28 p.m.
NEDg Description generation batch_69af208bd8c08190bb7baf0136da163d completed March 9, 2026, 7:33 p.m.
NED2 Entity disambiguation (via description) batch_69af2104b9a481908a6e3ec316deefd3 completed March 9, 2026, 7:35 p.m.
Created at: March 4, 2026, 7:50 p.m.