An apparatus and method for identifying one of a plurality of documents stored in a computer-readable medium is disclosed. The method includes the steps of automatically identifying for a user key word phrases in the plurality of documents, prompting the user to construct a query expression in which...http://www.google.com.hk/patents/US5721897?utm_source=gb-gplus-share專利 US5721897 - Browse by prompted keyword phrases with an improved user interface
