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Ryusei NAGASAWA Keisuke FURUMOTO Makoto TAKITA Yoshiaki SHIRAISHI Takeshi TAKAHASHI Masami MOHRI Yasuhiro TAKANO Masakatu MORII
The Topics over Time (TOT) model allows users to be aware of changes in certain topics over time. The proposed method inputs the divided dataset of security blog posts based on a fixed period using an overlap period to the TOT. The results suggest the extraction of topics that include malware and attack campaign names that are appropriate for the multi-labeling of cyber threat intelligence reports.