Baykan, E., Weber, I., &; Henzinger, M. H. (2013). A comprehensive study of techniques for URL-based web page language classification. ACM Transactions on the Web. Association for Computing Machinery.https://doi.org/10.1145/2435215.2435218 

Baykan, E., Henzinger, M. H., Marian, L., &; Weber, I. (2011). A comprehensive study of features and algorithms for URL-based topic classification. ACM Transactions on the Web. Association for Computing Machinery.https://doi.org/10.1145/1993053.1993057