Analysis and collection system for user interest data and method therefor

A method of analyzing and collecting user interest data, implemented by a computing device comprising a processor, characterized in that the method comprises:

• step A:
• extracting log data and a merchandise purchase history record corresponding to the log data from a Web server, and processing the log data, thereby generating a page browsing sequence reference set;
• step B:
• collecting user's log data in real time;
• step C:
• pre-processing the user's log data when predetermined condition are satisfied;
• and
• step D:
• matching the pre-processed log data with the generated page browsing sequence reference set, and determining a set of merchandise that the user is potentially interested in, according to the matching result;
• wherein step A further comprises:
• eliminating log entries whose requested resource is non-page, by checking the suffix of the requested resource URI;
• eliminating log entries whose state response code is error;
• gathering all the log records of the same session identifier so as to form a session log record set belonging to this session identifier;
• and
• determining whether the session contains a purchase page and a payment page so as to screen sessions for which purchases are finally completed.