Method and System for Extracting Post Contents From Forum Web Page

A system for extracting post contents from a forum web page, comprising:

• an acquiring module, configured to acquire a forum web page;
• a converting module, configured to convert the forum web page into a DOM (Document Object Model) tree, wherein the DOM tree at least comprises a root node and at least one child node attached to the root node;
• a generating module, configured to generate frequent patterns for the root node and the at least one child node in a one-to-one correspondence mode;
• a determining module, configured to determine a node corresponding to information contents in the forum web page according to a frequent pattern, satisfying a preset condition, in the frequent patterns;
• and
• an extracting module, configured to extract the information contents in the forum web page from the node corresponding to the information contents in the forum web page based on a preset common sub-tree algorithm.