Method and system using information written in a wrapper description language to execute query on a network

摘要

This invention provides assistance to a user in accessing network attached information sources. In one aspect, the invention is a method for intelligently routing a user query to information sources relevant to that query, extracting relevant data fields from received responses, and intelligently presenting the extracted data in order of estimated relevance. The system of this invention implements one or more steps of the method in a centralized or distributed manner on one or more network attached computers. Further, this invention provides a novel language and implementation that facilitates easily written and maintained descriptions of information source query and response formats.