Triple

T14946411
Position Surface form Disambiguated ID Type / Status
Subject Vanport E372673 entity
Predicate locatedInFloodplain P14914 FINISHED
Object Columbia River floodplain
The Columbia River floodplain is the low-lying, periodically inundated land along the Columbia River, characterized by rich alluvial soils, wetlands, and a history of significant flooding that has shaped human settlement and land use in the region.
E1128155 NE FINISHED

How this triple was built (5 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: Columbia River floodplain | Statement: [Vanport, locatedInFloodplain, Columbia River floodplain]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Columbia River floodplain
Context triple: [Vanport, locatedInFloodplain, Columbia River floodplain]
  • A. Nooksack River floodplain
    The Nooksack River floodplain is a low-lying, frequently inundated valley area shaped by the Nooksack River in northwestern Washington State, supporting agriculture, wildlife habitat, and several nearby communities.
  • B. Stillaguamish River floodplain
    The Stillaguamish River floodplain is a low-lying, frequently inundated valley area shaped by the Stillaguamish River in northwestern Washington State, supporting agriculture, wildlife habitat, and communities such as Stanwood.
  • C. Missouri River floodplain
    The Missouri River floodplain is a broad, low-lying valley along the Missouri River characterized by fertile soils, wetlands, and frequent flooding that shapes its agricultural and ecological landscape.
  • D. Mokelumne River area
    The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
  • E. Columbia River Basin
    The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
  • 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: Columbia River floodplain
Triple: [Vanport, locatedInFloodplain, Columbia River floodplain]
Generated description
The Columbia River floodplain is the low-lying, periodically inundated land along the Columbia River, characterized by rich alluvial soils, wetlands, and a history of significant flooding that has shaped human settlement and land use in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Columbia River floodplain
Target entity description: The Columbia River floodplain is the low-lying, periodically inundated land along the Columbia River, characterized by rich alluvial soils, wetlands, and a history of significant flooding that has shaped human settlement and land use in the region.
  • A. Nooksack River floodplain
    The Nooksack River floodplain is a low-lying, frequently inundated valley area shaped by the Nooksack River in northwestern Washington State, supporting agriculture, wildlife habitat, and several nearby communities.
  • B. Stillaguamish River floodplain
    The Stillaguamish River floodplain is a low-lying, frequently inundated valley area shaped by the Stillaguamish River in northwestern Washington State, supporting agriculture, wildlife habitat, and communities such as Stanwood.
  • C. Missouri River floodplain
    The Missouri River floodplain is a broad, low-lying valley along the Missouri River characterized by fertile soils, wetlands, and frequent flooding that shapes its agricultural and ecological landscape.
  • D. Mokelumne River area
    The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
  • E. Columbia River Basin
    The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: locatedInFloodplain
Context triple: [Vanport, locatedInFloodplain, Columbia River floodplain]
  • A. hasFloodplain chosen
    Indicates that an area or location lies within the floodplain associated with a particular water body or flooding source.
  • B. hasFloodplains
    Indicates that an area or region includes land that is subject to flooding, typically adjacent to a river or water body.
  • C. locatedInRiverArea
    Indicates that one entity is situated within the geographic area occupied by, adjacent to, or directly associated with a particular river.
  • D. hasFloodplainType
    Indicates that an area or location is associated with a specific type or classification of floodplain.
  • E. hasFloodplainUse
    Indicates that a floodplain area is being used or designated for a particular purpose or activity.
  • F. None of above.

Provenance (6 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_69d85cca979481908747d2a81eba1cea completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded68e35c481908e47cd68441c5115 completed April 15, 2026, 12:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe7e963c548190b3a06ffbbb3298b2 completed May 9, 2026, 12:23 a.m.
NEDg Description generation batch_69fe807eaa208190a478f0d0599ef695 completed May 9, 2026, 12:31 a.m.
NED2 Entity disambiguation (via description) batch_69fe811c14448190b85d94244adcd662 completed May 9, 2026, 12:34 a.m.
PD Predicate disambiguation batch_69de9a588c2c8190b1245a1c406f447c completed April 14, 2026, 7:49 p.m.
Created at: April 10, 2026, 2:39 a.m.