Triple
T6418389
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ross Ice Shelf |
E127884
|
entity |
| Predicate | terminusOf |
P3375
|
FINISHED |
| Object |
Mercer Ice Stream
Mercer Ice Stream is a major fast-flowing glacier in West Antarctica that drains ice from the interior into the Ross Ice Shelf.
|
E597523
|
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: Mercer Ice Stream | Statement: [Ross Ice Shelf, terminusOf, Mercer Ice Stream]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mercer Ice Stream Context triple: [Ross Ice Shelf, terminusOf, Mercer Ice Stream]
-
A.
Kamb Ice Stream
Kamb Ice Stream is a major Antarctic ice stream in West Antarctica that feeds ice into the Ross Ice Shelf.
-
B.
Bindschadler Ice Stream
Bindschadler Ice Stream is a major fast-flowing Antarctic ice stream in West Antarctica that channels ice from the interior of the continent into the Ross Ice Shelf.
-
C.
Whillans Ice Stream
Whillans Ice Stream is a major fast-flowing channel of ice in West Antarctica that drains part of the West Antarctic Ice Sheet into the Ross Ice Shelf.
-
D.
Palmer Glacier
Palmer Glacier is a year-round snowfield and ski training area located high on the slopes of Mount Hood in northern Oregon.
-
E.
Macy Glacier
Macy Glacier is a glacier located on Livingston Island in the South Shetland Islands of Antarctica.
- 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: Mercer Ice Stream Triple: [Ross Ice Shelf, terminusOf, Mercer Ice Stream]
Generated description
Mercer Ice Stream is a major fast-flowing glacier in West Antarctica that drains ice from the interior into the Ross Ice Shelf.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mercer Ice Stream Target entity description: Mercer Ice Stream is a major fast-flowing glacier in West Antarctica that drains ice from the interior into the Ross Ice Shelf.
-
A.
Kamb Ice Stream
Kamb Ice Stream is a major Antarctic ice stream in West Antarctica that feeds ice into the Ross Ice Shelf.
-
B.
Bindschadler Ice Stream
Bindschadler Ice Stream is a major fast-flowing Antarctic ice stream in West Antarctica that channels ice from the interior of the continent into the Ross Ice Shelf.
-
C.
Whillans Ice Stream
Whillans Ice Stream is a major fast-flowing channel of ice in West Antarctica that drains part of the West Antarctic Ice Sheet into the Ross Ice Shelf.
-
D.
Palmer Glacier
Palmer Glacier is a year-round snowfield and ski training area located high on the slopes of Mount Hood in northern Oregon.
-
E.
Macy Glacier
Macy Glacier is a glacier located on Livingston Island in the South Shetland Islands of Antarctica.
- 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_69c0083815208190a9b299b8e0640218 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c068eb6c988190b54de6182d0f490d |
completed | March 22, 2026, 10:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c65fc4dc588190ad983fde8969c20f |
completed | March 27, 2026, 10:45 a.m. |
| NEDg | Description generation | batch_69c6604e8e9081908d26e98daf3a2704 |
completed | March 27, 2026, 10:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c660af0e20819095a71c3014b4d0e2 |
completed | March 27, 2026, 10:49 a.m. |
Created at: March 22, 2026, 4:42 p.m.