Method and system for retrieving information based on manually-input keyword and automatically-selected keyword

摘要

A system for retrieving information includes: a first-keyword extracting unit that extracts a character string from a document displayed on a display as a first keyword; a second-keyword extracting unit that extracts a second keyword from a predetermined part of the document; an information retrieving unit that retrieves the information based on the first keyword and the second keyword; and an information displaying unit that displays the information retrieved on the display.