Triple

T4963325
Position Surface form Disambiguated ID Type / Status
Subject Lewis and Clark National Historical Park E111460 entity
Predicate significantEvent P259 FINISHED
Object Lewis and Clark Expedition E123948 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Lewis and Clark Expedition | Statement: [Lewis and Clark National Historical Park, significantEvent, Lewis and Clark Expedition]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lewis and Clark Expedition
Context triple: [Lewis and Clark National Historical Park, significantEvent, Lewis and Clark Expedition]
  • A. Lewis and Clark Expedition chosen
    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.
  • B. Lewis & Clark Pioneers
    The Lewis & Clark Pioneers are the intercollegiate athletic teams representing Lewis & Clark College in NCAA Division III competition.
  • C. Pike expedition to the headwaters of the Mississippi River
    The Pike expedition to the headwaters of the Mississippi River was an early 19th-century U.S. exploratory mission led by Zebulon Pike to locate the river’s source and assess the northern Louisiana Purchase region.
  • D. Powder River Expedition
    The Powder River Expedition was an 1865 U.S. Army campaign against Plains tribes in present-day Wyoming and Montana, aimed at securing overland travel routes and asserting federal control in the northern Great Plains.
  • E. McClure expedition
    The McClure expedition was a mid-19th-century British Arctic voyage led by Robert McClure that is credited with the first traversal of the Northwest Passage, albeit partly by sledge over ice.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd4419393c819086319a6fe4bf8542 elicitation completed
NER batch_69bd71f555b48190984ee914ba1a91ee ner completed
NED1 batch_69be89fa42a081909055b6c30505e6b2 ned_source_triple completed
Created at: March 20, 2026, 1:32 p.m.