1. Barbieri, F., Ronzano, F., Saggion, H.: What does this emoji mean? a vector space skip-gram model for twitter emojis. In: Language Resources and Evaluation Conference. LREC, Portoroz, Slovenia (2016)
2. Doble, A.: UK’s fastest growing language is... emoji. http://www.bbc.co.uk/newsbeat/article/32793732/uks-fastest-growing-language-is-emoji (2015)
3. Dugué, N., Perez, A.: Directed Louvain: maximizing modularity in directed networks. Technical Report, Université d’Orléans. https://hal.archives-ouvertes.fr/hal-01231784 (2015)
4. Fede, H., Herrera, I., Seyednezhad, S.M., Menezes, R.: Representing emoji usage using directed networks: a twitter case study. In: International Workshop on Complex Networks and their Applications, pp. 829–842. Springer (2017). https://doi.org/10.1007/978-3-319-72150-7_67
5. Fortunato, S.: Community detection in graphs. Phys. Rep. 486(3–5), 75–174 (2010). http://dx.doi.org/10.1016/j.physrep.2009.11.002