Time series based topic development clustering analysis system and method

The invention provides a time series based topic development clustering analysis system and method. The method comprises: collecting topics to form a cumulative reading quantity time series; performing differential processing on the time series to obtain a topic hot degree time series; determining whether the topic is in a recession period, continuing to collect topics if not; calculating S-Euc and S-DTW between the topics if so, and clustering all topics. The system comprises: a data collection unit; a data processing unit that performs forward differential processing on the cumulative reading quantity time series to determine whether the topic is in the recession period, stores the topics that are not in the recession period in a first topic storage library, and stores the topics that are in the recession period in a second topic repository; a time series distance calculation unit that calculates the S-Euc and the S-DTW between the topics; and a topic clustering unit that clusters all the topics. The above system and method have high precision and a good clustering effect.