CAI
2011
Springer
12 years 8 months ago
2011
Springer
Abstract. The concatenation product is one of the most important operations on regular languages. Its study requires sophisticated tools from algebra, ļ¬nite model theory and proļ...
CAI
2011
Springer
12 years 11 months ago
2011
Springer
In spite of rapid advances in multimedia and interactive technologies, enterprise users prefer to battle with email spam and overload rather than lose the beneļ¬ts of communicatin...