Triple

T15505337
Position Surface form Disambiguated ID Type / Status
Subject Motoyasu River E379065 entity
Predicate hasMouthIn P1008 FINISHED
Object Ota River delta
The Ota River delta is a low-lying alluvial plain in Hiroshima, Japan, formed by the branching mouths of the Ota River as it empties into Hiroshima Bay.
E1159938 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: Ota River delta | Statement: [Motoyasu River, hasMouthIn, Ota River delta]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ota River delta
Context triple: [Motoyasu River, hasMouthIn, Ota River delta]
  • A. Rioni River delta
    The Rioni River delta is a coastal wetland region in western Georgia where the Rioni River meets the Black Sea, known for its rich biodiversity and important migratory bird habitats.
  • B. Motoyasu River delta
    The Motoyasu River delta is the riverine area in central Hiroshima, Japan, that encompasses the site of the Hiroshima Peace Memorial Park and the surrounding waterways.
  • C. Musi River delta
    The Musi River delta is a low-lying, sediment-rich coastal landform in South Sumatra, Indonesia, where the Musi River branches into multiple channels before emptying into the sea.
  • D. Olenyok River delta
    The Olenyok River delta is the expansive, marshy region in northern Siberia where the Olenyok River branches and empties into the Laptev Sea in the Arctic Ocean.
  • E. Terek River delta
    The Terek River delta is a vast, marshy alluvial plain on the Caspian Sea coast in the North Caucasus, characterized by numerous branching channels and wetlands that support rich biodiversity.
  • 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: Ota River delta
Triple: [Motoyasu River, hasMouthIn, Ota River delta]
Generated description
The Ota River delta is a low-lying alluvial plain in Hiroshima, Japan, formed by the branching mouths of the Ota River as it empties into Hiroshima Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ota River delta
Target entity description: The Ota River delta is a low-lying alluvial plain in Hiroshima, Japan, formed by the branching mouths of the Ota River as it empties into Hiroshima Bay.
  • A. Rioni River delta
    The Rioni River delta is a coastal wetland region in western Georgia where the Rioni River meets the Black Sea, known for its rich biodiversity and important migratory bird habitats.
  • B. Motoyasu River delta
    The Motoyasu River delta is the riverine area in central Hiroshima, Japan, that encompasses the site of the Hiroshima Peace Memorial Park and the surrounding waterways.
  • C. Musi River delta
    The Musi River delta is a low-lying, sediment-rich coastal landform in South Sumatra, Indonesia, where the Musi River branches into multiple channels before emptying into the sea.
  • D. Olenyok River delta
    The Olenyok River delta is the expansive, marshy region in northern Siberia where the Olenyok River branches and empties into the Laptev Sea in the Arctic Ocean.
  • E. Terek River delta
    The Terek River delta is a vast, marshy alluvial plain on the Caspian Sea coast in the North Caucasus, characterized by numerous branching channels and wetlands that support rich biodiversity.
  • 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_69d85cd53a7c819080f5b9042c4c199e completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e03fcd5d948190b25a67a72ef980e9 completed April 16, 2026, 1:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff366bd31c81909e21075b6b601448 completed May 9, 2026, 1:28 p.m.
NEDg Description generation batch_69ff371416e08190a84b2be7b7dbc4a3 completed May 9, 2026, 1:31 p.m.
NED2 Entity disambiguation (via description) batch_69ff379cc22881909e8a3e189d3f98d1 completed May 9, 2026, 1:33 p.m.
Created at: April 10, 2026, 3:55 a.m.