Triple

T10326123
Position Surface form Disambiguated ID Type / Status
Subject Iwate Prefecture E242765 entity
Predicate isPartOf P10 FINISHED
Object Sanriku Coast
The Sanriku Coast is a rugged, deeply indented stretch of northeastern Japan’s Pacific shoreline, renowned for its dramatic ria coastline, rich fishing grounds, and vulnerability to major tsunamis.
E586513 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: Sanriku Coast | Statement: [Iwate Prefecture, isPartOf, Sanriku Coast]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sanriku Coast
Context triple: [Iwate Prefecture, isPartOf, Sanriku Coast]
  • A. Rikuzentakata–Kesennuma coastal area
    The Rikuzentakata–Kesennuma coastal area is a Pacific shoreline region in northeastern Japan known for its fishing communities, scenic bays, and severe damage from the 2011 Tōhoku earthquake and tsunami.
  • B. Shōnan coast
    Shōnan coast is a popular seaside resort area in Japan known for its beaches, surfing culture, and views of Enoshima and Mount Fuji.
  • C. Honshu coast
    The Honshu coast is the extensive shoreline of Japan’s largest island, facing both the Pacific Ocean and the Sea of Japan and encompassing major bays, peninsulas, and port cities.
  • D. Kumano-nada Sea coast
    The Kumano-nada Sea coast is a scenic stretch of shoreline along the Pacific Ocean in Japan’s Kii Peninsula, known for its rugged cliffs, cultural heritage sites, and inclusion in protected natural areas.
  • E. Hokkaido northern coast
    Hokkaido northern coast is the rugged, sparsely populated shoreline of Japan’s northernmost main island facing the Sea of Japan and the La Pérouse Strait.
  • 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: Sanriku Coast
Triple: [Iwate Prefecture, isPartOf, Sanriku Coast]
Generated description
The Sanriku Coast is a rugged, deeply indented stretch of northeastern Japan’s Pacific shoreline, renowned for its dramatic ria coastline, rich fishing grounds, and vulnerability to major tsunamis.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sanriku Coast
Target entity description: The Sanriku Coast is a rugged, deeply indented stretch of northeastern Japan’s Pacific shoreline, renowned for its dramatic ria coastline, rich fishing grounds, and vulnerability to major tsunamis.
  • A. Rikuzentakata–Kesennuma coastal area chosen
    The Rikuzentakata–Kesennuma coastal area is a Pacific shoreline region in northeastern Japan known for its fishing communities, scenic bays, and severe damage from the 2011 Tōhoku earthquake and tsunami.
  • B. Shōnan coast
    Shōnan coast is a popular seaside resort area in Japan known for its beaches, surfing culture, and views of Enoshima and Mount Fuji.
  • C. Honshu coast
    The Honshu coast is the extensive shoreline of Japan’s largest island, facing both the Pacific Ocean and the Sea of Japan and encompassing major bays, peninsulas, and port cities.
  • D. Kumano-nada Sea coast
    The Kumano-nada Sea coast is a scenic stretch of shoreline along the Pacific Ocean in Japan’s Kii Peninsula, known for its rugged cliffs, cultural heritage sites, and inclusion in protected natural areas.
  • E. Hokkaido northern coast
    Hokkaido northern coast is the rugged, sparsely populated shoreline of Japan’s northernmost main island facing the Sea of Japan and the La Pérouse Strait.
  • 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_69d381af787481908bc401325c760a88 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4d7cd76348190b93562112300acfc completed April 7, 2026, 10:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69d71da93b988190ad568b0677b5d344 completed April 9, 2026, 3:31 a.m.
NEDg Description generation batch_69d731887d2081908e6b4e33d400582f completed April 9, 2026, 4:56 a.m.
NED2 Entity disambiguation (via description) batch_69d7329189708190bbd21bd40ec029b0 completed April 9, 2026, 5:01 a.m.
Created at: April 6, 2026, 11:51 a.m.