Triple
T2909605
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wisconsin glaciation |
E63649
|
entity |
| Predicate | lastMajorAdvanceOf |
P42851
|
FINISHED |
| Object | Laurentide Ice Sheet |
E176607
|
NE FINISHED |
How this triple was built (3 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: Laurentide Ice Sheet | Statement: [Wisconsin glaciation, lastMajorAdvanceOf, Laurentide Ice Sheet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Laurentide Ice Sheet Context triple: [Wisconsin glaciation, lastMajorAdvanceOf, Laurentide Ice Sheet]
-
A.
Laurentide Ice Sheet in North America
chosen
The Laurentide Ice Sheet in North America was a massive continental glacier that covered much of Canada and parts of the northern United States during the last Ice Age, profoundly shaping the region’s landscapes and climate.
-
B.
Fennoscandian Ice Sheet
The Fennoscandian Ice Sheet was a massive Pleistocene ice sheet that repeatedly covered much of northern Europe, including Scandinavia, Finland, and parts of northern Germany and western Russia.
-
C.
Pohjoisesplanadi
Pohjoisesplanadi is a prominent street in central Helsinki, Finland, known for its historic buildings, government institutions, and proximity to Esplanadi Park.
-
D.
Northern Hemisphere ice sheets
Northern Hemisphere ice sheets are vast continental glaciers that repeatedly expanded and retreated over North America and Eurasia, profoundly shaping global climate, sea levels, and landscapes during the Quaternary.
-
E.
Fennoscandian Shield
The Fennoscandian Shield is a vast, ancient Precambrian geological region in northern Europe, encompassing much of Scandinavia and parts of northwest Russia, known for its exposed crystalline bedrock and glacially sculpted landscapes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: lastMajorAdvanceOf Context triple: [Wisconsin glaciation, lastMajorAdvanceOf, Laurentide Ice Sheet]
-
A.
isLastMajor
Indicates that an entity is the final or most recent significant item or event within a defined sequence or set.
-
B.
lastRecordedEvent
Indicates the most recent event that has been recorded for a given entity or context.
-
C.
lastAppearance
Indicates the most recent time or instance in which an entity appears or is present within a given context or sequence.
-
D.
latestTime
Indicates the most recent point in time at which the related event, state, or condition occurs or is valid among a set of possible times.
-
E.
lastEntryDate
Indicates the date on which the most recent entry, record, or update associated with the subject occurred.
- 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_69ab4c44ab448190b9411324e8a1fc1d |
completed | March 6, 2026, 9:51 p.m. |
| NER | Named-entity recognition | batch_69abe0d329c88190b6fcaef0be1799eb |
completed | March 7, 2026, 8:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0561b8e6c8190be69fd39bdd19cca |
completed | March 10, 2026, 5:34 p.m. |
| PD | Predicate disambiguation | batch_69abdd1b77608190b20fc078fdb85e64 |
completed | March 7, 2026, 8:08 a.m. |
| PDg | Predicate description generation | batch_69abddedd72c819094a9c4161af07780 |
completed | March 7, 2026, 8:12 a.m. |
Created at: March 6, 2026, 10:11 p.m.