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The goal of this article is to introduce problems that may arise during analysis of classification methods used in data mining applications. In the following sections some of the most common classification techniques are described along with several proposed extensions which allow these methods to be used in incremental data warehouses. The primary focus was aimed at problem of performing incremental...
The following article describes application able to provide statistical services. The application bases on Java EE platform and combines in interested way different technologies such as Struts2, Hibernate, SimpleCaptcha, JSON and JFreeChart. Article also presents helpful solutions for implementation problems of web applications.
In modern business intelligence systems there is a need to reduce the data flow between operational transactional systems and data warehouses, as well as reduce the time between data update in the warehouse and reflecting this change in the analytical models used to perform business analyses. In a modern data warehouse with incremental data update, at every change there is only a small amount of new...
Modern Data Warehouses based on the OLAP model often require performing periodical analyses of data gathered in fact tables. In order to avoid recalculating the results every time new data arrives there is a need to create an organized results repository to store calculated values of every analysis.
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.