Triple

T6710358
Position Surface form Disambiguated ID Type / Status
Subject Santiam River E153122 entity
Predicate hasDam P8736 FINISHED
Object Foster Dam
Foster Dam is a hydroelectric and flood-control dam located on the South Santiam River in western Oregon, forming Foster Lake near the city of Sweet Home.
 E644137 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: Foster Dam | Statement: [Santiam River, hasDam, Foster Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Foster Dam
Context triple: [Santiam River, hasDam, Foster Dam]
  • A. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • B. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • C. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
  • D. Parker Dam
    Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
  • E. 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.
  • 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: Foster Dam
Triple: [Santiam River, hasDam, Foster Dam]
Generated description
Foster Dam is a hydroelectric and flood-control dam located on the South Santiam River in western Oregon, forming Foster Lake near the city of Sweet Home.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Foster Dam
Target entity description: Foster Dam is a hydroelectric and flood-control dam located on the South Santiam River in western Oregon, forming Foster Lake near the city of Sweet Home.
  • A. Fengman Dam
    Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
  • B. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • C. Belver Dam
    Belver Dam is a hydroelectric dam on the Tagus River in Portugal, used primarily for power generation and river flow regulation.
  • D. Parker Dam
    Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
  • E. 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.
  • 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_69c68808d8d8819087369015270788fe completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d107380481909cc761dc182834c1 completed March 27, 2026, 6:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7a30754cc8190beeb97b48c167a15 completed March 28, 2026, 9:44 a.m.
NEDg Description generation batch_69c7a45ce628819085343c30f2886a95 completed March 28, 2026, 9:50 a.m.
NED2 Entity disambiguation (via description) batch_69c7a60ac4348190a623522f2d8199e9 completed March 28, 2026, 9:57 a.m.
Created at: March 27, 2026, 2:06 p.m.