Method and system for presenting conversation thread

A conversation thread displaying method of a computer apparatus comprising at least one processor, the method comprising:

• classifying, by the at least one processor, messages transmitted and received through at least one conversation session to generate a conversation thread for each of the at least one conversation session;
• providing, by the at least one processor, a conversation session list, the conversation session list including one or more conversation threads associated with the at least one conversation session;
• displaying, by the at least one processor, messages of a selected conversation thread selected from the conversation session list;
• receiving, by the at least one processor, a first conversation summary request for the messages of the selected conversation thread;
• providing, by the at least one processor, a first conversation summary for the messages of the selected conversation thread in response to the first conversation summary request for the messages of the selected conversation thread;
• and
• receiving, by the at least one processor, a period change request for displaying the first conversation summary,
• wherein the providing a first conversation summary comprises providing at least one first conversation summary generated for each period by classifying the messages of the selected conversation thread for each period based on a time at which a corresponding message is transmitted or a time at which a corresponding message is received, and
• wherein the providing a first conversation summary comprises changing a period for displaying the first conversation summary from a first period to a second period in response to the period change request, and providing the first conversation summary generated for the second period.