Web Intelligence explores the impact of artificial intelligence and advanced information technologies representing the next generation of Web-based systems, services, and environments, and designing hybrid web systems that serve wired and wireless users more efficiently. Multimedia and XML-based data are produced regularly and in increasing way in our daily digital activities, and their retrieval must be explored and studied in this emergent web-based era. ‘Emergent Web Intelligence: Advanced information retrieval’ provides reviews of the related cutting–edge technologies and insights. It is valuable companion and comprehensive reference for undergraduate and postgraduate students who are taking a course in Web intelligence and need to study current concepts of retrieval of multimedia and XML-based data, developers who need to implement advanced search engine and make benefit of web intelligence technologies, researchers who desire to understand exiting approaches, pin down their limits, and identify several future directions. The book is organized in self-contained chapters to provide greatest reading flexibility.