Spelling Error CorrectionExplores spelling error correction, including neologisms and borrowings, using edit distance and finite-state automata.
Context-Free GrammarsCovers context-free grammars, their equivalence to pushdown automata, and the hierarchy of grammar types.
Lexicons, n-grams and Language ModelsExplores lexicons, n-grams, and language models, emphasizing their importance in recognizing words and the effectiveness of n-grams for various tasks.