Triple

T6659557
Position Surface form Disambiguated ID Type / Status
Subject Santa Ana River E151437 entity
Predicate hasDam P8736 FINISHED
Object Hansen Dam (in its watershed context)
Hansen Dam (in its watershed context) is a major flood-control and water-management structure within the Santa Ana River system, helping regulate river flows, reduce downstream flooding, and support regional water resources.
E609330 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: Hansen Dam (in its watershed context) | Statement: [Santa Ana River, hasDam, Hansen Dam (in its watershed context)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hansen Dam (in its watershed context)
Context triple: [Santa Ana River, hasDam, Hansen Dam (in its watershed context)]
  • 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. Harris Station Dam
    Harris Station Dam is a large hydroelectric dam in Maine that forms Indian Pond and serves as a major power-generating facility on the Kennebec River.
  • C. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • D. Howden Dam
    Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
  • E. Duncan Dam
    Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
  • 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: Hansen Dam (in its watershed context)
Triple: [Santa Ana River, hasDam, Hansen Dam (in its watershed context)]
Generated description
Hansen Dam (in its watershed context) is a major flood-control and water-management structure within the Santa Ana River system, helping regulate river flows, reduce downstream flooding, and support regional water resources.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hansen Dam (in its watershed context)
Target entity description: Hansen Dam (in its watershed context) is a major flood-control and water-management structure within the Santa Ana River system, helping regulate river flows, reduce downstream flooding, and support regional water resources.
  • 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. Harris Station Dam
    Harris Station Dam is a large hydroelectric dam in Maine that forms Indian Pond and serves as a major power-generating facility on the Kennebec River.
  • C. Merwin Dam
    Merwin Dam is a hydroelectric dam on Washington State’s Lewis River that forms Lake Merwin and generates power for the region.
  • D. Howden Dam
    Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
  • E. Duncan Dam
    Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
  • 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_69c687f5fac48190a09e4838d9c6b45d completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b071cc6c81909d7df1841c645661 completed March 27, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6ef04fe608190b34cc53a54318826 completed March 27, 2026, 8:56 p.m.
NEDg Description generation batch_69c6f0a2a150819091ec6e6d2905abcb completed March 27, 2026, 9:03 p.m.
NED2 Entity disambiguation (via description) batch_69c6f1344dd4819096c1d3e216320c4d completed March 27, 2026, 9:05 p.m.
Created at: March 27, 2026, 2:02 p.m.