@InProceedings{MasahikoITOH:2013,
  author = {Masahiko ITOH, Masashi TOYODA, and Masaru KITSUREGAWA},
  title = {Visualizing Time-Varying Topics via Images and Texts for Inter-Media Analysis},
  booktitle = {the 17th International Conference on Information Visualization (IV2013)},
  year      = {2013},
  pages     = {568-576},
}