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.