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In this paper, we discuss a general integrated query problem for the heterogeneous data. We first assume that there exist a global and loosely coupled distribution data model, and then based on this assumption a general integrated query processor is designed, which can integrate query processing for the heterogeneous data sources in large-scale distributed environment.
Keyword search over relational databases (KSORD) enables casual users to use keyword queries (a set of keywords) to search relational databases just like searching the Web, without any knowledge of the database schema or any need of writing SQL queries. In KSORD, retrieval of user's initial query is often unsatisfying. User has to reformulate his query and execute the new query, which costs much time...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.