Methods and systems for analyzing communication situation based on dialogue act information

Provided is a method of recommending a sticker through a dialog act analysis. The method includes: by a server, performing a surface analysis on the last utterance between the first user terminal and the second user the terminal; performing a dialog act analysis on the last utterance using a result of the surface analysis; extracting a dialog context factor including a surface analysis result and a dialog act analysis result on a certain number of continuous utterances including the last utterance between the first user terminal and the second user terminal; selecting a sticker to be recommended to the first user using the dialog context factor; and providing the selected sticker for the first user terminal.