“…While the majority of these studies have focused on journalism, social media [23]- [45], entertainment [46], social factors [47], [48], tourism [49], data mining [50], [51], legal and political issues [52]- [58], disaster management [59], [60], employment [61] and psychology [62], many interesting works have appeared dealing with various technical issues [63]- [65], [20], [18], [66]- [74], [2], [75]- [82], [72], [83]- [86]. However, a review of most of the technologically sound works is presented here.…”