... meth-ods can perform better.In order to make full use of the syntacticinformation and the standard flat features, wepresent a composite kernel between hybrid kernel(Khybrid) and standard features ... algorithms withdual form, such as Perceptron and Support VectorMachines (SVM) (Cristianini and Shawe-Taylor,2000), which do not need know the exact presen-tation of objects and only need compute ... kernels, more and morekernels for restricted syntaxes or specific do-mains, such as string kernel for text categoriza-tion (Lodhi et al., 2002), tree kernel for syntacticparsing (Collins and Duffy,...