@article{oai:fun.repo.nii.ac.jp:00005261, author = {村井, 源}, issue = {3}, journal = {情報知識学会誌}, month = {Oct}, pages = {355--370}, title = {東日本大震災でのTwitterハッシュタグの利用傾向調査―震災時のICT活用に向けて―}, volume = {23}, year = {2013} }