Abstract

Various web applications in e-business, such as online price comparisons, competition monitoring and personalised newsletters require retrieval of distributed information from the Internet. This paper examines the suitability of software toolkits for the extraction of data from websites. The term wrapper is defined and an overview of presently available toolkits for generating wrappers is provided. In order to give a better insight into the workings of such toolkits, a detailed analysis of the non-commercial software program LAPIS is presented. An example

Citations