Purpose: The purpose of this paper is to propose a quantitative method for identifying multiple and hierarchical knowledge trajectories within a specific technological domain (TD). Design/methodology/approach: The proposed method as a patent-based data-driven approach is basically based on...

The aim of this paper is to develop and test metrics to quantitatively identify technological discontinuities in a knowledge network. We adopted and developed four metrics based on innovation theories and tested the metrics by using a patent set representative of the Magnetic information storage...