Revolutionary knowledge-based programming language.
Computation-powered interactive documents.
Semantic framework for real-world data.
Central infrastructure for Wolfram's cloud products & services.
Software engine implementing the Wolfram Language.
Instant deployment across cloud, desktop, mobile, and more.
Technology-enabling science of the computational universe.
Knowledge-based, broadly deployed natural language.
Curated computable knowledge powering Wolfram|Alpha.
Interpret historical countries:
Restrict to historical countries in a class:
Apply a property restriction:
"HistoricalCountry" "HistoricalEvent" "HistoricalPeriod" "HistoricalSite" "Country" "CountryClass" "Person" "WritingScript" "Entity" "ComputedHistoricalEvent" "ComputedHistoricalPeriod" "ComputedHistoricalSite" "ComputedCountry" "ComputedPerson" "ComputedWritingScript"
Interpreter SemanticImport Restricted Failure Entity EntityValue
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