Triple

T1258927
Position Surface form Disambiguated ID Type / Status
Subject Bureau of Reclamation E12453 entity
Predicate hasReservoirs P13043 FINISHED
Object Blue Mesa Reservoir
Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
E164494 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: Blue Mesa Reservoir | Statement: [Bureau of Reclamation, hasReservoirs, Blue Mesa Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Mesa Reservoir
Context triple: [Bureau of Reclamation, hasReservoirs, Blue Mesa Reservoir]
  • A. Blue Mesa Dam
    Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
  • B. Lake Roosevelt
    Lake Roosevelt is a large reservoir on the Columbia River in Washington State, created by the Grand Coulee Dam and used for hydroelectric power, irrigation, recreation, and water storage.
  • C. Flaming Gorge Reservoir
    Flaming Gorge Reservoir is a large man-made lake on the Green River in Wyoming and Utah, known for its striking red-rock scenery, recreational boating and fishing, and role in regional water storage and hydropower.
  • D. Lake Powell
    Lake Powell is a large, man-made reservoir on the Colorado River known for its striking red-rock canyon scenery and recreational boating in the American Southwest.
  • E. San Luis Reservoir
    San Luis Reservoir is a large artificial lake in California that serves as a major water storage facility for irrigation and municipal use in the state’s Central Valley.
  • 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: Blue Mesa Reservoir
Triple: [Bureau of Reclamation, hasReservoirs, Blue Mesa Reservoir]
Generated description
Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Blue Mesa Reservoir
Target entity description: Blue Mesa Reservoir is the largest body of water entirely in Colorado, a major storage and recreation reservoir on the Gunnison River within Curecanti National Recreation Area.
  • A. Blue Mesa Dam
    Blue Mesa Dam is a large earthfill dam on the Gunnison River in Colorado, forming Blue Mesa Reservoir as part of the Colorado River Storage Project.
  • B. Lake Roosevelt
    Lake Roosevelt is a large reservoir on the Columbia River in Washington State, created by the Grand Coulee Dam and used for hydroelectric power, irrigation, recreation, and water storage.
  • C. Flaming Gorge Reservoir
    Flaming Gorge Reservoir is a large man-made lake on the Green River in Wyoming and Utah, known for its striking red-rock scenery, recreational boating and fishing, and role in regional water storage and hydropower.
  • D. Lake Powell
    Lake Powell is a large, man-made reservoir on the Colorado River known for its striking red-rock canyon scenery and recreational boating in the American Southwest.
  • E. San Luis Reservoir
    San Luis Reservoir is a large artificial lake in California that serves as a major water storage facility for irrigation and municipal use in the state’s Central Valley.
  • 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_69a4933352e08190ac617291985e76c0 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4bfc3a2848190891e73b351019d5b completed March 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad014954b08190a787d7e03e503d8d completed March 8, 2026, 4:55 a.m.
NEDg Description generation batch_69ad039c5d788190aa10636e2827b489 completed March 8, 2026, 5:05 a.m.
NED2 Entity disambiguation (via description) batch_69ad03fa7b0c8190906ed79f24723216 completed March 8, 2026, 5:07 a.m.
Created at: March 1, 2026, 7:50 p.m.