Triple

T11685058
Position Surface form Disambiguated ID Type / Status
Subject Joban Expressway E277716 entity
Predicate hasServiceArea P82 FINISHED
Object Hitachi Service Area
Hitachi Service Area is a roadside rest and service facility in Hitachi, Ibaraki Prefecture, Japan, offering amenities such as food, restrooms, and parking for travelers on the Jōban Expressway.
 E811081 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: Hitachi Service Area | Statement: [Joban Expressway, hasServiceArea, Hitachi Service Area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hitachi Service Area
Context triple: [Joban Expressway, hasServiceArea, Hitachi Service Area]
  • A. Hitachi
    Hitachi is a Japanese multinational conglomerate known for its wide range of businesses spanning information technology, infrastructure, industrial systems, and consumer electronics.
  • B. Fujitsu General
    Fujitsu General is a Japanese electronics company best known globally for manufacturing air conditioning and climate control systems.
  • C. Hitachi, Ibaraki Prefecture, Japan
    Hitachi, Ibaraki Prefecture, Japan, is an industrial coastal city in the Kantō region best known as the birthplace and namesake of the multinational conglomerate Hitachi, Ltd.
  • D. Tokyu Corporation
    Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
  • E. Tokyo Denki
    Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
  • 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: Hitachi Service Area
Triple: [Joban Expressway, hasServiceArea, Hitachi Service Area]
Generated description
Hitachi Service Area is a roadside rest and service facility in Hitachi, Ibaraki Prefecture, Japan, offering amenities such as food, restrooms, and parking for travelers on the Jōban Expressway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hitachi Service Area
Target entity description: Hitachi Service Area is a roadside rest and service facility in Hitachi, Ibaraki Prefecture, Japan, offering amenities such as food, restrooms, and parking for travelers on the Jōban Expressway.
  • A. Hitachi
    Hitachi is a Japanese multinational conglomerate known for its wide range of businesses spanning information technology, infrastructure, industrial systems, and consumer electronics.
  • B. Fujitsu General
    Fujitsu General is a Japanese electronics company best known globally for manufacturing air conditioning and climate control systems.
  • C. Hitachi, Ibaraki Prefecture, Japan chosen
    Hitachi, Ibaraki Prefecture, Japan, is an industrial coastal city in the Kantō region best known as the birthplace and namesake of the multinational conglomerate Hitachi, Ltd.
  • D. Tokyu Corporation
    Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
  • E. Tokyo Denki
    Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
  • F. None of above.

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_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a463f6448190a4c8e1651a2bd905 completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef1433be908190b2ac887655a6c85a completed April 27, 2026, 7:45 a.m.
NEDg Description generation batch_69ef511f8f688190b2806d4e8ab16511 completed April 27, 2026, 12:05 p.m.
NED2 Entity disambiguation (via description) batch_69ef537efcc48190afffaa50f28940d8 completed April 27, 2026, 12:15 p.m.
Created at: April 8, 2026, 9:40 p.m.