Tomoya Yamazaki, Akihiro Yamamoto, Tetsuji Kuboyama. Tree PCA for Extracting Dominant Substructures from Labeled Rooted Trees. In Nathalie Japkowicz, Stan Matwin, editors, Discovery Science - 18th International Conference, DS 2015, Banff, AB, Canada, October 4-6, 2015, Proceedings. Volume 9356 of Lecture Notes in Computer Science, pages 316-323, Springer, 2015. [doi]