References

• Backstrom, L., Boldi, P., Rosa, M., Ugander, J., & Vigna, S. (2012, June). Four degrees of separation. In Proceedings of the 4th annual ACM Web science conference (pp. 33–42). ACM.
   Google Scholar
• Bastian, M., Heymann, S., & Jacomy, M. (2009). Gephi: An open source software for exploring and manipulating networks. Third international AAAI conference on weblogs and social media (pp. 361–362). doi: 10.1136/qshc.2004.010033
   Google Scholar
• Becker, M. H. (1970). Sociometric location and innovativeness: Reformulation and extension of the diffusion model. American Sociological Review, 35(2), 267–282. doi: 10.2307/2093205
   Web of Science ®Google Scholar
• Binder, J., Howes, A., & Sutcliffe, A. (2009). The problem of conflicting social spheres: Effects of network structure on experienced tension in social network sites. Proceedings of the SIGCHI conference on human factors in computing systems, (August 2016) (pp. 965–974). doi: 10.1145/1518701.1518849
   Google Scholar
• Bourdieu, P. (1986). Pierre Bourdieu 1986 - The forms of capital. Handbook of Theory and Research for the Sociology of Education, 241–258. doi: 10.1002/9780470755679.ch15
   Google Scholar
• Burt, R. S. (2005). Brokerage and closure. An introduction to social capital. New York: Oxford University Press. doi: 10.1007/s13398-014-0173-7.2
   Google Scholar
• Conole, G., Galley, R., & Culver, J. (2011). Frameworks for understanding the nature of interactions, networking, and community in a social networking site for academic practice. International Review of Research in Open and Distance Learning, 12(3), 119–138. doi:10.1111/j.1083-6101.2007.00393.x doi: 10.19173/irrodl.v12i3.914
   Google Scholar
• Cottam, H. (2011). Relational welfare. Soundings, 48(1), 134–144. doi: 10.3898/136266211797146855
   Google Scholar
• Del Fresno García, M. (2015). Connecting the disconnected: Social work and social network analysis. A methodological approach to identifying network peer leaders. Arbor, 191(771), a209. doi: 10.3989/arbor.2015.771n1011
   Google Scholar
• Dias, P. (2014). From ‘infoxication’to ‘infosaturation’: A theoretical overview of the cognitive and social effects of digital immersion. Ámbitos. Revista Internacional de Comunicación, 24, 1–12.
   Google Scholar
• Ellison, N. B., Steinfield, C., & Lampe, C. (2007). The benefits of Facebook “friends”: Social capital and college students’ use of online social network sites. Journal of Computer-Mediated Communication, 12(4), 1143–1168. doi: 10.1111/j.1083-6101.2007.00367.x
   Web of Science ®Google Scholar
• Ellison, N. B., Steinfield, C., & Lampe, C. (2011). Connection strategies: Social capital implications of Facebook-enabled communication practices. New Media & Society, 13(6), 873–892. doi: 10.1177/1461444810385389
   Web of Science ®Google Scholar
• Freeman, L. C. (1979). Centrality in social networks conceptual clarification. Social Networks, 1(3), 215–239. doi: 10.1016/0378-8733(78)90021-7
   Web of Science ®Google Scholar
• Girvan, M., & Newman, M. E. (2002). Community structure in social and biological networks. Proceedings of the National Academy of Sciences, 99(12), 7821–7826. doi:10.1073/pnas.122653799
   Google Scholar
• Granovetter, M. S. (1973). The strength of weak ties. American Journal of Sociology, 78(6), 1360–1380. doi: 10.1086/225469
   Web of Science ®Google Scholar
• Jahoda, M. (1982). Employment and unemployment: A social-psychological analysis (Vol. 1). New York: Cambridge University Press.
   Google Scholar
• Joinson, A. N. (2008). “Looking at”, “looking up” or “keeping up with” people? Motives and uses of Facebook. CHI 2008 proceedings: Online social networks (pp. 1027–1036). doi: 978-1-60558-01101/08/04
   Google Scholar
• Kozinets, R. V. (2002). The field behind the screen: Using netnography for marketing research in online communities. Journal of Marketing Research, 39(1), 61–72. doi: 10.1509/jmkr.39.1.61.18935
   Web of Science ®Google Scholar
• Lampe, C., Ellison, N., & Steinfield, C. (2006). A Face(book) in the crowd: Social searching vs. Social browsing. Proceedings of the 2006 20th anniversary conference on computer-supported cooperative work CSCW ‘06 (pp. 167–170). doi: 10.1145/1180875.1180901
   Google Scholar
• Latapy, M. (2008). Main-memory triangle computations for very large (sparse (power-law)) graphs. Theoretical Computer Science, 407(1–3), 458–473. doi: 10.1016/j.tcs.2008.07.017
   Web of Science ®Google Scholar
• Lin, N. (1999). Building a network theory of social capital. Connections, 22(1), 28–51. doi: 10.1108/14691930410550381
   Google Scholar
• López Peláez, A., & Díaz, H. L. (2015). Social work challenges in the XXI century: Citizenship, technology and E—social work. In A. López Peláez (Ed.), Social work challenges in the XXI century: Perspectives from the USA (pp. 29–55). Pamplona: Thomson-Reuters Aranzadi.
   Google Scholar
• López Peláez, A., Pérez García, R., & Aguilar-Tablada Massó, M. V. (2017). E-social work: Building a new field of specialization in social work? European Journal of Social Work, 26(1), 1–20. doi: 10.1080/13691457.2017.1399256
   Google Scholar
• Manovich, L. (2011). Trending: The promises and the challenges of big social data. Debates in the Digital Humanities, 2, 460–475. https://doi.org/http://www.manovich.net/DOCS/Manovich_trending_paper.pdf
   Google Scholar
• Otto, H.-U., & Lorenz, W. (1998). Editorial: The new journal for the social professions in Europe. European Journal of Social Work, 1(1), 1–4. doi: 10.1080/13691459808414718
   Google Scholar
• Pempek, T. A., Yermolayeva, Y. A., & Calvert, S. L. (2009). College students’ social networking experiences on Facebook. Journal of Applied Developmental Psychology, 30(3), 227–238. doi: 10.1016/j.appdev.2008.12.010
   Web of Science ®Google Scholar
• Rogers, E. M. (1958). Categorizing the adopters of agricultural practices. Rural Sociology, 23(4), 345–354.
   Web of Science ®Google Scholar
• Rogers, E. M. (1995). Diffusion of innovations. New York, 12.
   Google Scholar
• Simmel, G., & Hughes, E. C. (1949). The sociology of sociability. American Journal of Sociology, 55(3), 254–261. doi: 10.1086/220534
   PubMed Web of Science ®Google Scholar
• Solberg, L. B. (2010). Data mining on Facebook: A free space for researchers or an IRB nightmare? Journal of Law, Technology & Policy, 2010(2), 311–343.
   Google Scholar
• Valente, T. W. (2012). Network interventions. Science, 337(6090), 49–53. doi: 10.1126/science.1217330
   PubMed Web of Science ®Google Scholar
• Valles, M. (1999). Técnicas cualitativas de investigación social. Reflexión Metodológica Y Práctica Profesional, 108–140. doi: 8477384495
   Google Scholar
• Van Dijk, J. A. (1999). The one-dimensional network society of manuel castells. New Media & Society, 1(1), 127–138. doi: 10.1177/1461444899001001015
   Google Scholar
• Wasserman, S., & Faust, K. (1994). Social network analysis: Methods and applications (Vol. 8). New York: Cambridge University Press.
   Google Scholar
• Watts, D. (2003). Six degrees: The science of a connected age (book). Journal of Marketing, 68(1), 166–167. Retrieved from http://search.ebscohost.com/login.aspx?direct=true&db=buh&AN=11925062&site=ehost-live
   Web of Science ®Google Scholar
• Wellman, B. (1997). Structural analysis: From method and metaphor to theory and substance. Contemporary Studies in Sociology, 15, 19–61.
   Google Scholar
• Wellman, B., Haase, A., Witte, J., & Hampton, K. (2001). Does the internet increase, decrease, or supplement social capital? Social networks, participation, and community commitment. American Behavioral Scientist, 45(3), 436–455. doi: 10.1177/00027640121957286
   Web of Science ®Google Scholar
• Whyte, W. F. (1943). Street corner society; the social structure of an Italian slum. Chicago: University of Chicago Press
   Google Scholar
• Wilson, R. E., Gosling, S. D., & Graham, L. T. (2012). A review of Facebook research in the social sciences. Perspectives on Psychological Science, 7(3), 203–220. doi: 10.1177/1745691612442904
   Web of Science ®Google Scholar
• Webography
   Google Scholar
• Edunov, S., Diuk, C., Filiz, I. O., Bhagat, S., & Burke, M. (2016). Three and a half degrees of separation. Research at Facebook. Retrieved from www.facebook.com
   Google Scholar
• Filiz, I. O, Adamic, L., & State, B. (2016). Facebook Friendships in Europe Research at Facebook. Retrieved from www.facebook.com
   Google Scholar
• National Association of Social Workers (NASW) y Association of Social Work Boards (ASWB). (2005). Standards for technology and Social Work practice. Retrieved from http://www.aswb.org/pdfs/TechnologySWPractice.pdf
   Google Scholar