Machine theory 45 Formal languages 17 Computational complexity 11 Computable functions 9 Mathematics 7 COMPUTERS / Machine Theory 6 Sequential machine theory 6 Electronic data processing 5 Data mining 4 COMPUTERS / Database Management / Data Mining 3 Computer programming 3 Engineering 3 Algorithms 2 BUSINESS & ECONOMICS / Statistics 2 Categories (Mathematics) 2 Dynamics 2 Machine -theory 2 Machine Theory 2 Semigroup algebras 2 Semigroups 2 Abstracte automaten 1 Algebra 1 Algebra, Universal 1 Algebras, Linear 1 Androids in literature 1 Artificial intelligence 1 BUSINESS & ECONOMICS / Operations Research 1 COMPUTERS / Computer Graphics 1 COMPUTERS / Software Development & Engineering / Systems Analysis & Design 1 Combinatorial analysis 1