Triple

T17505013
Position Surface form Disambiguated ID Type / Status
Subject Rocky Reach Dam E426290 entity
Predicate createsReservoir P25354 FINISHED
Object Rocky Reach Reservoir
Rocky Reach Reservoir is a man-made lake on the Columbia River in Washington State, formed by the impoundment of water behind Rocky Reach Dam and used for hydroelectric power, recreation, and wildlife habitat.
E1272910 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: Rocky Reach Reservoir | Statement: [Rocky Reach Dam, createsReservoir, Rocky Reach Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rocky Reach Reservoir
Context triple: [Rocky Reach Dam, createsReservoir, Rocky Reach Reservoir]
  • A. Alcova Reservoir
    Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
  • B. Alum Creek Reservoir
    Alum Creek Reservoir is a man-made lake in central Ohio known for providing recreational opportunities such as boating, fishing, and swimming within Alum Creek State Park.
  • C. Stillwater Reservoir
    Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
  • D. Merrill Creek Reservoir
    Merrill Creek Reservoir is a man-made lake and wildlife habitat in northwestern New Jersey, known for fishing, hiking, and scenic natural surroundings.
  • E. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • 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: Rocky Reach Reservoir
Triple: [Rocky Reach Dam, createsReservoir, Rocky Reach Reservoir]
Generated description
Rocky Reach Reservoir is a man-made lake on the Columbia River in Washington State, formed by the impoundment of water behind Rocky Reach Dam and used for hydroelectric power, recreation, and wildlife habitat.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rocky Reach Reservoir
Target entity description: Rocky Reach Reservoir is a man-made lake on the Columbia River in Washington State, formed by the impoundment of water behind Rocky Reach Dam and used for hydroelectric power, recreation, and wildlife habitat.
  • A. Alcova Reservoir
    Alcova Reservoir is a man-made lake in central Wyoming popular for fishing, boating, and other water recreation, created by damming the North Platte River.
  • B. Alum Creek Reservoir
    Alum Creek Reservoir is a man-made lake in central Ohio known for providing recreational opportunities such as boating, fishing, and swimming within Alum Creek State Park.
  • C. Stillwater Reservoir
    Stillwater Reservoir is a large, remote man-made lake in the western Adirondack Mountains of New York, popular for boating, fishing, and backcountry recreation.
  • D. Merrill Creek Reservoir
    Merrill Creek Reservoir is a man-made lake and wildlife habitat in northwestern New Jersey, known for fishing, hiking, and scenic natural surroundings.
  • E. La Mesa Reservoir
    La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
  • 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_69d889dd9164819087b1dc3c9240c870 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e45214d44c8190b1bf04bf24ab8e81 completed April 19, 2026, 3:55 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01c9395364819089fbd6f746aa8f46 completed May 11, 2026, 12:19 p.m.
NEDg Description generation batch_6a01c9b81a008190a1b6326d5e65242b completed May 11, 2026, 12:21 p.m.
NED2 Entity disambiguation (via description) batch_6a01ca70502c8190bfa2dfd44c30a6f2 completed May 11, 2026, 12:24 p.m.
Created at: April 10, 2026, 5:48 a.m.