Derek Hansen

social media sna wiki ell nodexl aahb health byu it isys research design reuse alternate reality games arg big data computational social science medical health informatics social media health2.0 research social participation tmsp indexing crowdsourcing family history genealogy stigmatized illness ihi marketing acm-hit dissemination promotion health behavior serious games games with a purpose biotracker twitter eventgraph nodexl social media network analysis social media blog introduction tools community maintenance repository css-d