According to one example embodiment, an information processing apparatus includes: an acquisition unit configured to sequentially acquire a plurality of elements included in sequential data; a first calculation unit configured to calculate, based on two or more of the plurality of elements, an indicator indicating which one of a plurality of classes each of the plurality of elements should belong to; a second calculation unit configured to calculate weights showing importance of the respective indicators of the plurality of respective elements; a third calculation unit configured to weight the indicators of the plurality of respective elements by the corresponding weights and integrate the weighted indicators to calculate an integrated indicator indicating which one of the plurality of classes the sequential data should belong to; and a classification unit configured to classify the sequential data into one of the classes based on the integrated indicator.