Algorithm Research for the Noise of Information Extraction Based Vision and DOM Tree

Abstract

                                                                                                                                                                                                                                                              Information extraction from websites is nowadays a relevant problem, usually performed by software modules called wrappers. Introduced the relevant information extraction technology. A combination of HTMLpages to extract information of the theme and extract the contents. First of all, to remove noise combination of visual block, the vision-based DOM tree denoising methods to improve the efficiency of extraction