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Visualizing Multidimensional Lifelogging Data: A Case Study on MyMovieHistory Project

ABSTRACT A large amount of time-series data has been frequently used to extract the useful patterns and trends and to visualize them for better understanding. This work is focusing on visualizing personal lifelogging data for tracking back to personal histories. Thereby, we present several similarity measures between multidimensional data at two different time points. For human evaluation, the method has been applied to MyMovieHistory (which a social recommendation system by storing personal movie logs) and tested with many users. Experimental results shown that the proposed visualization method and interfaces can help to understand user history.