Triple
T1442256
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mendenhall Glacier |
E31099
|
entity |
| Predicate | drainageBasin |
P1559
|
FINISHED |
| Object |
Mendenhall River
The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
|
E286873
|
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: Mendenhall River | Statement: [Mendenhall Glacier, drainageBasin, Mendenhall River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mendenhall River Context triple: [Mendenhall Glacier, drainageBasin, Mendenhall River]
-
A.
Chena River
The Chena River is a tributary of the Tanana River in interior Alaska that flows through the city of Fairbanks and is central to its recreation, scenery, and occasional flooding.
-
B.
Kuskokwim River
The Kuskokwim River is one of Alaska’s longest rivers, flowing through remote western regions to the Bering Sea and serving as a vital transportation and subsistence lifeline for local communities.
-
C.
Salmon River
The Salmon River is a major free-flowing river in central Idaho known for its deep canyons, whitewater rafting, and role as a key tributary of the Snake River.
-
D.
Salmon River
The Salmon River is a major wild and scenic tributary of the Klamath River in northern California, renowned for its rugged canyons, salmon runs, and recreational whitewater.
-
E.
Matanuska River
The Matanuska River is a glacially fed river in southcentral Alaska known for its scenic valley, braided channels, and proximity to the Matanuska Glacier.
- 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: Mendenhall River Triple: [Mendenhall Glacier, drainageBasin, Mendenhall River]
Generated description
The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mendenhall River Target entity description: The Mendenhall River is a glacially fed river in Juneau, Alaska, that flows from Mendenhall Lake toward the Gastineau Channel.
-
A.
Chena River
The Chena River is a tributary of the Tanana River in interior Alaska that flows through the city of Fairbanks and is central to its recreation, scenery, and occasional flooding.
-
B.
Kuskokwim River
The Kuskokwim River is one of Alaska’s longest rivers, flowing through remote western regions to the Bering Sea and serving as a vital transportation and subsistence lifeline for local communities.
-
C.
Salmon River
The Salmon River is a major free-flowing river in central Idaho known for its deep canyons, whitewater rafting, and role as a key tributary of the Snake River.
-
D.
Salmon River
The Salmon River is a major wild and scenic tributary of the Klamath River in northern California, renowned for its rugged canyons, salmon runs, and recreational whitewater.
-
E.
Matanuska River
The Matanuska River is a glacially fed river in southcentral Alaska known for its scenic valley, braided channels, and proximity to the Matanuska Glacier.
- 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_69a4991633388190a4d61b5a98aa407a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c5320728819095d9ed2439fa7d31 |
completed | March 1, 2026, 11:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af9893d2048190ac3b36c32f14b63d |
completed | March 10, 2026, 4:05 a.m. |
| NEDg | Description generation | batch_69af9990f77081908a03b454fad1fad9 |
completed | March 10, 2026, 4:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af99fe48f881908a1a20f5eed8688c |
completed | March 10, 2026, 4:11 a.m. |
Created at: March 1, 2026, 8 p.m.