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Currently, there exists an overburdening growth in the number of reliable information sources on the Internet. At the same time, temporal and cognitive resources of human users are not changing. In an effort to curtail the information overload resulting from this conflict, recent research has attempted to provide methods and tools for web content extraction and aggregation. Success in these areas will greatly enhance business processes, and provide information seekers with new tools allowing them to reduce their time and cost involvement.
This book focuses on web content extraction and deep web data integration, and the methods and tools used, as well as analyzing the limitations of existing technology and solutions. This volume presents an accessible, well-organized and comprehensive survey of this discipline. Professionals, researchers, and academics involved in information technology will all find this book a timely and essential reference.
Inhaltsverzeichnis
Introduction.- Section I. Web Content Extraction: Information Extraction and Aggregation in Contemporary Economy.- Web Content Extraction and Aggregation.- Practical Aspects of Content Aggregation.- Using XPath in Web Content Extraction.- Sample Proof-of-concept Prototype of a Web Content Extraction System.- Empirical Analysis of Robustness of Content Extraction Systems.- Section II. Deep Web Data Extraction: Information Integration.- Deep Web in a Context of Information Integration.- A Method for Deep Web Information Integration. Model of a Deep Web Information Integration System.- Empirical Analysis of a Proposed Deep Web Information Integration System.- Summary.- Index.
