Triple

T11604946
Position Surface form Disambiguated ID Type / Status
Subject Metolius River E275230 entity
Predicate contributesTo P477 FINISHED
Object Lake Billy Chinook reservoir
Lake Billy Chinook reservoir is a large, scenic impoundment in central Oregon popular for boating, fishing, and camping, formed by the confluence of the Deschutes, Crooked, and Metolius rivers behind Round Butte Dam.
 E941397 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 Billy Chinook reservoir | Statement: [Metolius River, contributesTo, Lake Billy Chinook reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Billy Chinook reservoir
Context triple: [Metolius River, contributesTo, Lake Billy Chinook reservoir]
  • A. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • B. Clear Creek Reservoir
    Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
  • C. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • D. Chatfield Reservoir
    Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
  • E. John H. Kerr Reservoir
    John H. Kerr Reservoir is a large man-made lake on the Roanoke River along the North Carolina–Virginia border, widely used for hydroelectric power, flood control, and recreation.
  • 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 Billy Chinook reservoir
Triple: [Metolius River, contributesTo, Lake Billy Chinook reservoir]
Generated description
Lake Billy Chinook reservoir is a large, scenic impoundment in central Oregon popular for boating, fishing, and camping, formed by the confluence of the Deschutes, Crooked, and Metolius rivers behind Round Butte Dam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lake Billy Chinook reservoir
Target entity description: Lake Billy Chinook reservoir is a large, scenic impoundment in central Oregon popular for boating, fishing, and camping, formed by the confluence of the Deschutes, Crooked, and Metolius rivers behind Round Butte Dam.
  • A. Canistear Reservoir
    Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
  • B. Clear Creek Reservoir
    Clear Creek Reservoir is a mountain lake in central Colorado popular for fishing, boating, and camping within the San Isabel National Forest.
  • C. Clinton Reservoir
    Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
  • D. Chatfield Reservoir
    Chatfield Reservoir is a large multipurpose lake in Colorado known for flood control, water storage, and outdoor recreation such as boating, fishing, and camping.
  • E. John H. Kerr Reservoir
    John H. Kerr Reservoir is a large man-made lake on the Roanoke River along the North Carolina–Virginia border, widely used for hydroelectric power, flood control, and recreation.
  • 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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d895502e0081909ee9c3d45d26cd91 completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef8287f2dc819089b14707e035f7a1 completed April 27, 2026, 3:36 p.m.
NEDg Description generation batch_69ef96ab29d48190b225504856007384 completed April 27, 2026, 5:02 p.m.
NED2 Entity disambiguation (via description) batch_69efd64bfa7081909715aa64d80fadf3 completed April 27, 2026, 9:34 p.m.
Created at: April 8, 2026, 9:38 p.m.