I have included the DOI for the main HESML paper

README.md

@@ -19,11 +19,11 @@ HESML V1R2 is freely distributed for any non-commercial purpose under a CC By-NC
 
 References:
 
-[1] Lastra-Díaz, J. J., García-Serrano, A., Batet, M., Fernández, M. and Chirigati, F. (2017). HESML: a scalable ontology-based semantic similarity measures library with a set of reproducible experiments and a replication dataset. Information Systems.
+[1] Lastra-Díaz, J. J., García-Serrano, A., Batet, M., Fernández, M. and Chirigati, F. (2017). HESML: a scalable ontology-based semantic similarity measures library with a set of reproducible experiments and a replication dataset. Information Systems. http://dx.doi.org/10.1016/j.is.2017.02.002
 
-[2] Lastra-Díaz, J. J., & García-Serrano, A. (2015). A novel family of IC-based similarity measures with a detailed experimental survey on WordNet. Engineering Applications of Artificial Intelligence Journal, 46, 140–153. http://dx.doi.org/10.1016/j.engappai.2015.09.006
+[2] Lastra-Díaz, J. J., & García-Serrano, A. (2015). A novel family of IC-based similarity measures with a detailed experimental survey on WordNet. Engineering Applications of Artificial Intelligence Journal, 46, 140-153. http://dx.doi.org/10.1016/j.engappai.2015.09.006
 
-[3] Lastra-Díaz, J. J., & García-Serrano, A. (2015). A new family of information content models with an experimental survey on WordNet. Knowledge-Based Systems, 89, 509–526. http://dx.doi.org/10.1016/j.knosys.2015.08.019
+[3] Lastra-Díaz, J. J., & García-Serrano, A. (2015). A new family of information content models with an experimental survey on WordNet. Knowledge-Based Systems, 89, 509-526. http://dx.doi.org/10.1016/j.knosys.2015.08.019
 
 [4] Lastra-Díaz, J. J., & García-Serrano, A. (2016). A refinement of the well-founded Information Content models with a very detailed experimental survey on WordNet. Universidad Nacional de Educación a Distancia (UNED). http://e-spacio.uned.es/fez/view/bibliuned:DptoLSI-ETSI-Informes-Jlastra-refinement