翻译成英文。内容在问题补充，全篇翻译

With the increasing popularity of the Internet, the network information is growing at an extremely high speed, so much data to find the information they need is a very complicated thing, find the information you need to get is a troublesome thing. Therefore, you need Web information extraction program to replace the artificial operation for efficient information extraction. So-called Web information extraction program, that program will follow the keyword or key Web site users to gather the appropriate information, and provides information to the user you want to format. Meanwhile, the amount of increase of leads to publish information Web site the drastic increase in workload for the realization of information releasing system for automatic publishing, reducing staff workload, instant track the latest information, you need auto information provider. Information extraction is non-structured information extracted from the Web site to save to a structured procedure in a database. -Information extraction enterprise information Foundation and first step, only by using advanced technology to do the work of information extraction in order to bring maximum value to the information. Information extraction application of range very broad: uses key information extraction can gets various Internet Shang various of professional information database; using competition intelligence system can through key words monitored network media Shang themselves and competition opponent of market information; using Yu database marketing, extraction message this, and Forum, and news group above target potential user of message information and contact information; using Yu comparison system in the can for commodity price, and specifications, area of comparison; For network information integration can extract information from a variety of similar websites and integrate with, such as resumes, career, leasing information, product information, company directory; for personalized information agents can be individual or business interested in consolidating the contents of multiple Web sites the latest together, through Email or Web page available to users in the form of saving users time and browse the site-by-site download. Web pages this technical situation and development prospects of information extraction system, problems made a review and summary, can get people more clearly understand Web pages information extraction technology