Language teaching ; Automatic text analysis ; Word recognition (computational linguistics) ; Worterkennung (Computerlinguistik) ; Automatic word recognition ; Machine learning (lex.) ; Automatic vocabulary acquisition ; Information extraction; Machine learning; Knowledge acquisition (artificial intelligence) ; Automatische Lexikographie; Computer lexicography; Linguistic data processing (lexicography) ; Semantics (computational linguistics) ; Computational semantics ; Netz (semant.) ; Net (semant.) ; Semantic net ; Worthäufigkeit; Häufigkeitsliste; Frequency list; Frequency (lex.) ; Word frequency ; Online-Wörterbuch; Online dictionary; Internet dictionary; Electronic dictionary ; Latin America (Spanish language in) ; Lateinamerika (span. Sprache in) ; Spanish in Latin America