Triple

T10567495
Position Surface form Disambiguated ID Type / Status
Subject Arakawa River E249387 entity
Predicate hasChannel P8080 FINISHED
Object Arakawa floodway
The Arakawa floodway is a major engineered diversion channel in Tokyo designed to control flooding of the Arakawa River and protect the surrounding urban area.
E872939 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: Arakawa floodway | Statement: [Arakawa River, hasChannel, Arakawa floodway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Arakawa floodway
Context triple: [Arakawa River, hasChannel, Arakawa floodway]
  • A. Yuzui (Fish Mouth) levee
    Yuzui (Fish Mouth) levee is the central diversion structure of the Dujiangyan Irrigation System that splits the Min River’s flow to enable flood control and irrigation.
  • B. East Coast Protective Levee system
    The East Coast Protective Levee system is a network of flood-control levees in South Florida designed to protect developed coastal areas from flooding and manage water levels as part of the region’s broader water management infrastructure.
  • C. Trinity River floodway
    The Trinity River floodway is a large engineered flood-control channel and greenbelt in Dallas, Texas, designed to manage Trinity River flooding while providing open space and transportation corridors.
  • D. Nara Canal
    Nara Canal is one of Pakistan’s major irrigation canals, channeling Indus River water to agricultural lands in Sindh.
  • E. Lake Biwa Canal
    Lake Biwa Canal is a historic Japanese waterway and engineering project that channels water from Lake Biwa to Kyoto, supporting transportation, industry, and urban development since the late 19th century.
  • 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: Arakawa floodway
Triple: [Arakawa River, hasChannel, Arakawa floodway]
Generated description
The Arakawa floodway is a major engineered diversion channel in Tokyo designed to control flooding of the Arakawa River and protect the surrounding urban area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Arakawa floodway
Target entity description: The Arakawa floodway is a major engineered diversion channel in Tokyo designed to control flooding of the Arakawa River and protect the surrounding urban area.
  • A. Yuzui (Fish Mouth) levee
    Yuzui (Fish Mouth) levee is the central diversion structure of the Dujiangyan Irrigation System that splits the Min River’s flow to enable flood control and irrigation.
  • B. East Coast Protective Levee system
    The East Coast Protective Levee system is a network of flood-control levees in South Florida designed to protect developed coastal areas from flooding and manage water levels as part of the region’s broader water management infrastructure.
  • C. Trinity River floodway
    The Trinity River floodway is a large engineered flood-control channel and greenbelt in Dallas, Texas, designed to manage Trinity River flooding while providing open space and transportation corridors.
  • D. Nara Canal
    Nara Canal is one of Pakistan’s major irrigation canals, channeling Indus River water to agricultural lands in Sindh.
  • E. Lake Biwa Canal
    Lake Biwa Canal is a historic Japanese waterway and engineering project that channels water from Lake Biwa to Kyoto, supporting transportation, industry, and urban development since the late 19th century.
  • 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_69d381c8bd708190acf3d275c908251e completed April 6, 2026, 9:50 a.m.
NER Named-entity recognition batch_69d5272ef5848190b76d671ea2d26314 completed April 7, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69d94b42879481909f9c98b2579c10a1 completed April 10, 2026, 7:10 p.m.
NEDg Description generation batch_69d94d67e16481908efb939a3e65004c completed April 10, 2026, 7:20 p.m.
NED2 Entity disambiguation (via description) batch_69d95227a1f48190ab847606a9ae0500 completed April 10, 2026, 7:40 p.m.
Created at: April 6, 2026, 12:36 p.m.