Triple
T5172274
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattawa, Washington |
E116711
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object |
Hanford Reach area of the Columbia River
The Hanford Reach area of the Columbia River is a free-flowing, largely undammed stretch of the river in central Washington known for its intact shrub-steppe ecosystem, salmon habitat, and historical association with the Hanford nuclear site.
|
E499354
|
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: Hanford Reach area of the Columbia River | Statement: [Mattawa, Washington, near, Hanford Reach area of the Columbia River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hanford Reach area of the Columbia River Context triple: [Mattawa, Washington, near, Hanford Reach area of the Columbia River]
-
A.
Mokelumne River area
The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
-
B.
Lower Columbia River region
The Lower Columbia River region is a culturally and ecologically rich area of the Pacific Northwest centered along the lower stretches of the Columbia River, historically home to numerous Indigenous peoples and vital salmon fisheries.
-
C.
Columbia River Basin
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
-
D.
Columbia River estuary
The Columbia River estuary is the broad, tidally influenced transition zone where the Columbia River meets the Pacific Ocean, supporting rich ecosystems, major shipping routes, and coastal communities in the Pacific Northwest.
-
E.
Grand Coulee, Washington
Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
- 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: Hanford Reach area of the Columbia River Triple: [Mattawa, Washington, near, Hanford Reach area of the Columbia River]
Generated description
The Hanford Reach area of the Columbia River is a free-flowing, largely undammed stretch of the river in central Washington known for its intact shrub-steppe ecosystem, salmon habitat, and historical association with the Hanford nuclear site.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hanford Reach area of the Columbia River Target entity description: The Hanford Reach area of the Columbia River is a free-flowing, largely undammed stretch of the river in central Washington known for its intact shrub-steppe ecosystem, salmon habitat, and historical association with the Hanford nuclear site.
-
A.
Mokelumne River area
The Mokelumne River area is a region of central California traditionally inhabited and culturally shaped by the Plains Miwok people.
-
B.
Lower Columbia River region
The Lower Columbia River region is a culturally and ecologically rich area of the Pacific Northwest centered along the lower stretches of the Columbia River, historically home to numerous Indigenous peoples and vital salmon fisheries.
-
C.
Columbia River Basin
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
-
D.
Columbia River estuary
The Columbia River estuary is the broad, tidally influenced transition zone where the Columbia River meets the Pacific Ocean, supporting rich ecosystems, major shipping routes, and coastal communities in the Pacific Northwest.
-
E.
Grand Coulee, Washington
Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
- 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_69bd445ff97c81909a2615cc56235470 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd795252a481908634779f3f656574 |
completed | March 20, 2026, 4:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bed9471b4881909c8436853818a8a0 |
completed | March 21, 2026, 5:45 p.m. |
| NEDg | Description generation | batch_69bed9f3624c8190b9d22fa0594dd767 |
completed | March 21, 2026, 5:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69beda5d39b88190a7314f673de2719d |
completed | March 21, 2026, 5:50 p.m. |
Created at: March 20, 2026, 1:45 p.m.