STRUCTURE-OF-QUERY-BASED NAVIGATION GUIDING IN OLAP SYSTEMS

OLAP (on-line analytical processing) systems are the predominant front-end tools for end users in data warehouse environment. In an OLAP system, users can query the data in data warehouse by navigation. Usually, every user has his information subject. And structure of a query can also show some information about the intention of the user. Based on the structure of the query, the user's behavior is analyzed in OLAP systems and a way to construct the user's profile is brought forth. Furthermore, the methods to forecast user's behavior and to lead user's navigation are also discussed. Then, when a user searches information in an OLAP system, some marks can be made to pilot him so that he can complete the information searching easily.