Collected user parameters include category 210, category weight 230, and value 240 information. A search support application creates 300 a query based on the user parameters. The query is sent to structured 450 and unstructured 470 databases, and heterogeneous query results are stored 630. Stored query...http://www.google.com.hk/patents/US6567812?utm_source=gb-gplus-share專利 US6567812 - Management of query result complexity using weighted criteria for hierarchical data structuring
