A computer implemented method for generating synthesis specifications comprising the steps of providing to a computer processor via a communication interface a proposed target application property of the new synthesis specification; providing to the computer processor via the communication interface a data driven model, parametrized based on historical synthesis specifications comprising historical list of components, historical amounts for each of the components and historical target criteria, determining via the computer processor a target synthesis specification based on the data driven model and the target application property providing to an output unit via the communication interface the target synthesis specification, comprising a list of target components and the amount of each of the components.