Clinical Data Warehouse Issues and Challenges
نویسندگان
چکیده
منابع مشابه
Security Issues in Data Warehouse
Data Warehouse (DWH) provides storage for huge amounts of historical data from heterogeneous operational sources in the form of multidimensional views, thus supplying sensitive and useful information which help decision-makers to improve the organization’s business processes. A data warehouse environment must ensure that data collected and stored in one big repository are not vulnerable. A revi...
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Data warehouses can be defined as ‘subject-oriented’, integrated, time-varying, non-volatile collections of data that is used primarily in organizational decision making. Nowadays, data warehousing became an important strategy to integrate heterogeneous information sources in organizations, and to enable On-Line Analytic Processing (OLAP). Unfortunately, neither the accumulation, nor the storag...
متن کاملContinuous Data Warehouse: Concepts, Challenges and Potentials
The multidimensional structures or hypercubes are commonly used in OLAP (On Line Analytical Processing) to store and organize the data with the goal of optimizing query response time. The multidimensional approach is based on the concept of facts or measures analyzed with respect to various prospects or dimensions to facilitate the decision making process. Dimensions can be seen as axis of anal...
متن کاملPattern Retrieval through Classification from Pattern Warehouse: Issues and Challenges
The pattern is special kinds of data which are created through various data mining techniques and stored in the pattern warehouse through a specialized pattern management system (PMS). Pattern warehouse makes the pattern non-volatile or persists. Now a day’s persistent pattern retrieval is a very new and important issue. This paper focuses on problems and challenges with pattern retrieval. One ...
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ژورنال
عنوان ژورنال: International Journal of u- and e-Service, Science and Technology
سال: 2014
ISSN: 2005-4246
DOI: 10.14257/ijunesst.2014.7.5.22