Triple

T16299867
Position Surface form Disambiguated ID Type / Status
Subject Lake Wallula E395754 entity
Predicate locatedUpstreamOf P5955 FINISHED
Object Lake Umatilla
Lake Umatilla is a large reservoir on the Columbia River in the Pacific Northwest, created by the John Day Dam for hydroelectric power, irrigation, and recreation.
 E1206183 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: Lake Umatilla | Statement: [Lake Wallula, locatedUpstreamOf, Lake Umatilla]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Umatilla
Context triple: [Lake Wallula, locatedUpstreamOf, Lake Umatilla]
  • A. Wallowa Lake
    Wallowa Lake is a glacial lake in northeastern Oregon renowned for its clear waters, dramatic mountain backdrop, and popularity for outdoor recreation and tourism.
  • B. Chilko Lake
    Chilko Lake is a large, remote glacial lake in British Columbia, Canada, renowned for its striking turquoise waters, surrounding mountain scenery, and abundant wildlife.
  • C. Waskesiu Lake
    Waskesiu Lake is a popular recreational lake in central Saskatchewan, Canada, known for its beaches, boating, fishing, and its role as the main visitor hub within Prince Albert National Park.
  • D. Green River Lake
    Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
  • E. Tule Lake
    Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
  • 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: Lake Umatilla
Triple: [Lake Wallula, locatedUpstreamOf, Lake Umatilla]
Generated description
Lake Umatilla is a large reservoir on the Columbia River in the Pacific Northwest, created by the John Day Dam for hydroelectric power, irrigation, and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lake Umatilla
Target entity description: Lake Umatilla is a large reservoir on the Columbia River in the Pacific Northwest, created by the John Day Dam for hydroelectric power, irrigation, and recreation.
  • A. Wallowa Lake
    Wallowa Lake is a glacial lake in northeastern Oregon renowned for its clear waters, dramatic mountain backdrop, and popularity for outdoor recreation and tourism.
  • B. Chilko Lake
    Chilko Lake is a large, remote glacial lake in British Columbia, Canada, renowned for its striking turquoise waters, surrounding mountain scenery, and abundant wildlife.
  • C. Waskesiu Lake
    Waskesiu Lake is a popular recreational lake in central Saskatchewan, Canada, known for its beaches, boating, fishing, and its role as the main visitor hub within Prince Albert National Park.
  • D. Green River Lake
    Green River Lake is a man-made reservoir in central Kentucky known for its recreational opportunities like boating, fishing, and camping within Green River Lake State Park.
  • E. Tule Lake
    Tule Lake is a shallow, marshy lake in northern California historically significant to the Modoc people and later known as the site of a World War II Japanese American incarceration camp.
  • 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_69d87f23bb088190a16fbb91a1957ea5 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e25e31c9e8819094593f3aeb44f2ca completed April 17, 2026, 4:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a001f9d7ef48190b7acebebcb9608c3 completed May 10, 2026, 6:03 a.m.
NEDg Description generation batch_6a0021459c4081908e4c1d2e0bc8a5be completed May 10, 2026, 6:10 a.m.
NED2 Entity disambiguation (via description) batch_6a002221fe7c819083c8ede5e63b0908 completed May 10, 2026, 6:13 a.m.
Created at: April 10, 2026, 5:06 a.m.