Triple
T4674769
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Columbia River estuary |
E103651
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object |
Columbia River Bar
The Columbia River Bar is a notoriously dangerous sandbar and shipping passage at the mouth of the Columbia River, often called the "Graveyard of the Pacific" due to its treacherous waves and frequent shipwrecks.
|
E460946
|
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: Columbia River Bar | Statement: [Columbia River estuary, hasFeature, Columbia River Bar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Columbia River Bar Context triple: [Columbia River estuary, hasFeature, Columbia River Bar]
-
A.
Second Narrows
Second Narrows is a geographic strait or narrow water passage, known in Spanish as "Segunda Angostura," typically referring to a constricted section of a larger waterway.
-
B.
Cape Disappointment
Cape Disappointment is a rugged headland on the Pacific coast of Washington State, known for its historic lighthouse, treacherous waters at the mouth of the Columbia River, and role in the Lewis and Clark Expedition.
-
C.
Tongass Narrows
Tongass Narrows is a coastal waterway in southeastern Alaska known for its busy marine traffic, seaplane operations, and role as the main channel adjacent to the city of Ketchikan.
-
D.
Celilo Falls
Celilo Falls was a major Native American fishing and trading site on the Columbia River in the Pacific Northwest, renowned for its powerful rapids and rich salmon runs before being inundated by dam construction.
-
E.
Mather Gorge
Mather Gorge is a dramatic, narrow canyon on the Potomac River known for its steep cliffs, powerful rapids, and scenic views near Great Falls.
- 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: Columbia River Bar Triple: [Columbia River estuary, hasFeature, Columbia River Bar]
Generated description
The Columbia River Bar is a notoriously dangerous sandbar and shipping passage at the mouth of the Columbia River, often called the "Graveyard of the Pacific" due to its treacherous waves and frequent shipwrecks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Columbia River Bar Target entity description: The Columbia River Bar is a notoriously dangerous sandbar and shipping passage at the mouth of the Columbia River, often called the "Graveyard of the Pacific" due to its treacherous waves and frequent shipwrecks.
-
A.
Second Narrows
Second Narrows is a geographic strait or narrow water passage, known in Spanish as "Segunda Angostura," typically referring to a constricted section of a larger waterway.
-
B.
Cape Disappointment
Cape Disappointment is a rugged headland on the Pacific coast of Washington State, known for its historic lighthouse, treacherous waters at the mouth of the Columbia River, and role in the Lewis and Clark Expedition.
-
C.
Tongass Narrows
Tongass Narrows is a coastal waterway in southeastern Alaska known for its busy marine traffic, seaplane operations, and role as the main channel adjacent to the city of Ketchikan.
-
D.
Celilo Falls
Celilo Falls was a major Native American fishing and trading site on the Columbia River in the Pacific Northwest, renowned for its powerful rapids and rich salmon runs before being inundated by dam construction.
-
E.
Mather Gorge
Mather Gorge is a dramatic, narrow canyon on the Potomac River known for its steep cliffs, powerful rapids, and scenic views near Great Falls.
- 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_69bd43dda32c8190938b37744ca270fc |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd63544f68819084311416402696b0 |
completed | March 20, 2026, 3:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be039896448190bdfd3a6cb76a8fbe |
completed | March 21, 2026, 2:34 a.m. |
| NEDg | Description generation | batch_69be055390c08190a85f92aec34b390a |
completed | March 21, 2026, 2:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be05d5bd008190bd94bd70092e8dfd |
completed | March 21, 2026, 2:43 a.m. |
Created at: March 20, 2026, 1:15 p.m.