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Issue No.05 - September/October (2003 vol.18)
pp: 34-40
Chia-Hui Chang , National Central University, Taiwan
Harianto Siek , Institute of Information Science, Taiwan
Jiann-Jyh Lu , Institute of Information Science, Taiwan
Chun-Nan Hsu , Institute of Information Science, Taiwan
Jen-Jie Chiou , Deepspot Intelligent Systems, Taiwan
ABSTRACT
<p>The DeepSpot Agent Toolbox exploits online Web data sources using reconfigurable Web wrapper agents. These agents are rapidly generated and executed on the basis of the XML-based Web Navigation Description Language and extraction rule generator IEPAD (information extraction based on pattern discovery). A WNDL script describes how to locate, extract, and combine data. By executing different WNDL scripts, users can automate all types of Web browsing sessions. They also describe IEPAD, a data extractor based on pattern discovery techniques. IEPAD lets software agents automatically discover the extraction rules to extract the contents of a structurally formatted Web page without the need to label a Web page to train a wrapper. With this programming-by-example authoring tool, users can generate a complete Web wrapper agent by browsing the target Web sites. Various applications demonstrate this approach's feasibility.</p>
INDEX TERMS
intelligent agents, Web wrappers, information integration, WNDL
CITATION
Chia-Hui Chang, Harianto Siek, Jiann-Jyh Lu, Chun-Nan Hsu, Jen-Jie Chiou, "Reconfigurable Web Wrapper Agents", IEEE Intelligent Systems, vol.18, no. 5, pp. 34-40, September/October 2003, doi:10.1109/MIS.2003.1234767
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