Semirings, automata, languages
Semirings, automata, languages
A Tutorial on Support Vector Machines for Pattern Recognition
Data Mining and Knowledge Discovery
Text classification using string kernels
The Journal of Machine Learning Research
Rational Kernels: Theory and Algorithms
The Journal of Machine Learning Research
Kernel methods for learning languages
Theoretical Computer Science
Elements of Automata Theory
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The kernels are popular methods to measure the similarity between words for classification and learning. We generalize the definition of rational kernels in order to apply kernels to the comparison of languages. We study this generalization for factor and subsequence kernels and prove that these kernels are defined for parameters chosen in an appropriate interval. We give different methods to build weighted transducers which compute these kernels.