Triple

T7711986
Position Surface form Disambiguated ID Type / Status
Subject Cowlitz River E174781 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Mayfield Dam
Mayfield Dam is a hydroelectric dam in Washington State that forms Mayfield Lake and generates power on the Cowlitz River.
E690603 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: Mayfield Dam | Statement: [Cowlitz River, hasHydroelectricDam, Mayfield Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mayfield Dam
Context triple: [Cowlitz River, hasHydroelectricDam, Mayfield Dam]
  • A. McClure Dam
    McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
  • B. Chatfield Dam
    Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
  • C. Goodwin Dam
    Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
  • D. Gillespie Dam
    Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
  • E. R. L. Harris Dam
    R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate 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: Mayfield Dam
Triple: [Cowlitz River, hasHydroelectricDam, Mayfield Dam]
Generated description
Mayfield Dam is a hydroelectric dam in Washington State that forms Mayfield Lake and generates power on the Cowlitz River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mayfield Dam
Target entity description: Mayfield Dam is a hydroelectric dam in Washington State that forms Mayfield Lake and generates power on the Cowlitz River.
  • A. McClure Dam
    McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
  • B. Chatfield Dam
    Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
  • C. Goodwin Dam
    Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
  • D. Gillespie Dam
    Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
  • E. R. L. Harris Dam
    R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
  • 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_69c6995c463c8190a14458036249d419 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702ae8b20819096930fe4be41b7be completed March 27, 2026, 10:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c93fa2550481908348b8b4dd23d6df completed March 29, 2026, 3:05 p.m.
NEDg Description generation batch_69c94041ee4c819089deee869742577c completed March 29, 2026, 3:07 p.m.
NED2 Entity disambiguation (via description) batch_69c9409668048190b770f5dbc11957ce completed March 29, 2026, 3:09 p.m.
Created at: March 27, 2026, 4:04 p.m.