Triple

T8958873
Position Surface form Disambiguated ID Type / Status
Subject Elwha River E213547 entity
Predicate hadDam P8736 FINISHED
Object Elwha Dam
Elwha Dam was a large hydroelectric dam on Washington State’s Elwha River, best known for its removal as part of one of the largest river restoration and dam removal projects in U.S. history.
E790140 NE FINISHED

How this triple was built (5 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: Elwha Dam | Statement: [Elwha River, hadDam, Elwha Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Elwha Dam
Context triple: [Elwha River, hadDam, Elwha Dam]
  • A. Wanapum Dam
    Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
  • B. Hells Canyon Dam
    Hells Canyon Dam is a hydroelectric concrete arch-gravity dam on the Snake River in the Hells Canyon region along the Oregon–Idaho border in the United States.
  • C. Dworshak Dam
    Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
  • D. Coulee Dam, Washington
    Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
  • E. The Dalles Dam
    The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
  • 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: Elwha Dam
Triple: [Elwha River, hadDam, Elwha Dam]
Generated description
Elwha Dam was a large hydroelectric dam on Washington State’s Elwha River, best known for its removal as part of one of the largest river restoration and dam removal projects in U.S. history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Elwha Dam
Target entity description: Elwha Dam was a large hydroelectric dam on Washington State’s Elwha River, best known for its removal as part of one of the largest river restoration and dam removal projects in U.S. history.
  • A. Wanapum Dam
    Wanapum Dam is a hydroelectric dam on the Columbia River in Washington State that generates power, supports irrigation, and helps regulate river flow.
  • B. Hells Canyon Dam
    Hells Canyon Dam is a hydroelectric concrete arch-gravity dam on the Snake River in the Hells Canyon region along the Oregon–Idaho border in the United States.
  • C. Dworshak Dam
    Dworshak Dam is a large concrete gravity dam on the North Fork Clearwater River in Idaho, primarily used for hydroelectric power generation, flood control, and recreation.
  • D. Coulee Dam, Washington
    Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
  • E. The Dalles Dam
    The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hadDam
Context triple: [Elwha River, hadDam, Elwha Dam]
  • A. hasDam chosen
    Indicates that a watercourse, reservoir, or similar feature is impounded or controlled by a specific dam.
  • B. hadOrgan
    Indicates that an entity previously possessed or contained a specific organ as part of its body.
  • C. hadNo
    Indicates that one entity completely lacked or did not possess another entity, attribute, or relationship.
  • D. hasHad
    Indicates that an entity previously experienced, possessed, or was involved in something at some point in the past.
  • E. hadFort
    Indicates that an entity possessed, controlled, or contained a fort at some time.
  • F. None of above.

Provenance (6 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_69ca8399ad2081909f8fa41d4314c215 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc672b12b48190a9d964f79b96d237 completed April 1, 2026, 12:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0b17686608190bc144ff3e79074f7 completed April 4, 2026, 6:36 a.m.
NEDg Description generation batch_69d0b2b9fbf4819083e594d676323c65 completed April 4, 2026, 6:42 a.m.
NED2 Entity disambiguation (via description) batch_69d0b343a040819098620e2e3c451b39 completed April 4, 2026, 6:44 a.m.
PD Predicate disambiguation batch_69cc5ed74d288190b712d739805579dc completed March 31, 2026, 11:55 p.m.
Created at: March 30, 2026, 7 p.m.