Matthias Dehmer and  Frank Emmert Streib and  Alexander Mehler and  J├╝rgen Kilian,  Measuring the Structural Similarity of Web-based Documents: A Novel Approach.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2007, vol. 10(10). 3070 - 3076
    [viewed 02 December 2021]. Available from: https://publications.waset.org/pdf/15928.