Triple

T1081006
Position Surface form Disambiguated ID Type / Status
Subject JR Shonan–Shinjuku Line E23944 entity
Predicate servesPrefecture P23719 FINISHED
Object Tochigi Prefecture
Tochigi Prefecture is a landlocked region in Japan’s Kantō area known for the historic city of Nikkō, natural hot springs, and mountainous scenery.
E445351 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: Tochigi Prefecture | Statement: [JR Shonan–Shinjuku Line, servesPrefecture, Tochigi Prefecture]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tochigi Prefecture
Context triple: [JR Shonan–Shinjuku Line, servesPrefecture, Tochigi Prefecture]
  • A. Yamagata Prefecture
    Yamagata Prefecture is a largely rural prefecture in Japan’s Tōhoku region, known for its mountains, hot springs, and cherry production.
  • B. Saitama Prefecture
    Saitama Prefecture is a landlocked administrative region in the Kantō area of Japan, just north of Tokyo, known for its large commuter population, industrial centers, and cultural sites.
  • C. Gunma Prefecture
    Gunma Prefecture is a landlocked region in central Japan known for its mountains, hot springs, and proximity to the Tokyo metropolitan area.
  • D. Tokushima Prefecture
    Tokushima Prefecture is a largely rural coastal region on Japan’s Shikoku island, known for its Awa Odori dance festival and scenic mountains and rivers.
  • E. Ibaraki
    Ibaraki is a city in northern Osaka Prefecture, Japan, known as a residential and industrial hub within the Kansai metropolitan area.
  • 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: Tochigi Prefecture
Triple: [JR Shonan–Shinjuku Line, servesPrefecture, Tochigi Prefecture]
Generated description
Tochigi Prefecture is a landlocked region in Japan’s Kantō area known for the historic city of Nikkō, natural hot springs, and mountainous scenery.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tochigi Prefecture
Target entity description: Tochigi Prefecture is a landlocked region in Japan’s Kantō area known for the historic city of Nikkō, natural hot springs, and mountainous scenery.
  • A. Yamagata Prefecture
    Yamagata Prefecture is a largely rural prefecture in Japan’s Tōhoku region, known for its mountains, hot springs, and cherry production.
  • B. Saitama Prefecture
    Saitama Prefecture is a landlocked administrative region in the Kantō area of Japan, just north of Tokyo, known for its large commuter population, industrial centers, and cultural sites.
  • C. Gunma Prefecture
    Gunma Prefecture is a landlocked region in central Japan known for its mountains, hot springs, and proximity to the Tokyo metropolitan area.
  • D. Tokushima Prefecture
    Tokushima Prefecture is a largely rural coastal region on Japan’s Shikoku island, known for its Awa Odori dance festival and scenic mountains and rivers.
  • E. Ibaraki
    Ibaraki is a city in northern Osaka Prefecture, Japan, known as a residential and industrial hub within the Kansai metropolitan area.
  • 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_69a493f1ddf48190a99d54b00e99f8ce completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bb74b0908190be51a7141e661d3e completed March 1, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69badb06ddac8190a70d72b491de59c8 completed March 18, 2026, 5:04 p.m.
NEDg Description generation batch_69baf4d32d048190b827d99ebeef074b completed March 18, 2026, 6:54 p.m.
NED2 Entity disambiguation (via description) batch_69baf57a7728819095b29d0dc8b3e37e completed March 18, 2026, 6:56 p.m.
Created at: March 1, 2026, 7:42 p.m.