Triple

T3497374
Position Surface form Disambiguated ID Type / Status
Subject Alexander Mackenzie E73882 entity
Predicate expedition P1561 FINISHED
Object 1792–1793 overland expedition to the Pacific Ocean
The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
E362648 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: 1792–1793 overland expedition to the Pacific Ocean | Statement: [Alexander Mackenzie, expedition, 1792–1793 overland expedition to the Pacific Ocean]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1792–1793 overland expedition to the Pacific Ocean
Context triple: [Alexander Mackenzie, expedition, 1792–1793 overland expedition to the Pacific Ocean]
  • A. first overland expedition to the Arctic Ocean (1819–1822)
    The first overland expedition to the Arctic Ocean (1819–1822) was a British exploratory journey led by John Franklin that aimed to chart the northern coast of Canada and significantly advanced geographic knowledge of the Arctic.
  • B. voyage of Louis Antoine de Bougainville
    The voyage of Louis Antoine de Bougainville was an 18th-century French circumnavigation of the globe that contributed significantly to European geographic knowledge and Enlightenment-era encounters with Pacific societies.
  • C. Fram expedition across the Arctic Ocean
    The Fram expedition across the Arctic Ocean was Fridtjof Nansen’s pioneering late-19th-century polar voyage that used a specially designed ship to drift with the pack ice in an attempt to reach the North Pole and advance scientific understanding of the Arctic.
  • D. Lewis and Clark Expedition
    The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
  • E. Vancouver Expedition
    The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
  • 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: 1792–1793 overland expedition to the Pacific Ocean
Triple: [Alexander Mackenzie, expedition, 1792–1793 overland expedition to the Pacific Ocean]
Generated description
The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1792–1793 overland expedition to the Pacific Ocean
Target entity description: The 1792–1793 overland expedition to the Pacific Ocean was Alexander Mackenzie’s historic journey across North America, achieving the first recorded transcontinental crossing north of Mexico and reaching the Pacific years before Lewis and Clark.
  • A. first overland expedition to the Arctic Ocean (1819–1822)
    The first overland expedition to the Arctic Ocean (1819–1822) was a British exploratory journey led by John Franklin that aimed to chart the northern coast of Canada and significantly advanced geographic knowledge of the Arctic.
  • B. voyage of Louis Antoine de Bougainville
    The voyage of Louis Antoine de Bougainville was an 18th-century French circumnavigation of the globe that contributed significantly to European geographic knowledge and Enlightenment-era encounters with Pacific societies.
  • C. Fram expedition across the Arctic Ocean
    The Fram expedition across the Arctic Ocean was Fridtjof Nansen’s pioneering late-19th-century polar voyage that used a specially designed ship to drift with the pack ice in an attempt to reach the North Pole and advance scientific understanding of the Arctic.
  • D. Lewis and Clark Expedition
    The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
  • E. Vancouver Expedition
    The Vancouver Expedition was a late 18th-century British naval voyage led by George Vancouver that extensively charted the Pacific Northwest coast of North America and parts of the Pacific Ocean.
  • 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_69ad85cdb6e48190a335d412b9194ed8 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbbd299ec8190b76b165b2fd70537 completed March 8, 2026, 6:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69b373d011c0819088245afe03be3c44 completed March 13, 2026, 2:17 a.m.
NEDg Description generation batch_69b3745c7304819085a47af79cd738c0 completed March 13, 2026, 2:20 a.m.
NED2 Entity disambiguation (via description) batch_69b374f5999c8190ae48570a412dc6dc completed March 13, 2026, 2:22 a.m.
Created at: March 8, 2026, 3:18 p.m.