Unlock the potential of the world's biggest database. This practical book shows you how to build portals, construct search engines and other knowledge-based applications to mine the information you need from the Web. * Written by a developer for developers * A practical, hands-on approach * Illustrates how Java associated tools (XML, HTML) can be combined with database technology to display and manipulate Web-derived information more effectively. * Demonstrates how to build a structure browser, portal, meta-search engine and how to make 'Talking Pages'