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Abstract: Data warehouses have been developed to answer the increasing demands of quality information required by the top managers and economic analysts of organizations. Their importance in now a day business area is unanimous recognized, being the foundation for developing business intelligence systems. Data warehouses offer support for decision-making process, allowing complex analyses which cannot be properly achieved from operational systems. This paper presents the ways in which a data warehouse may be developed and the stages of building it.
data warehouse, data mart, data integration, database management system, OLAP, data mining
Abstract: Data warehouse technology includes a set of concepts and methods that offer the users useful information for decision making. The necessity to build a data warehouse arises from the necessity to improve the quality of information in the organization. The date proceeding from different sources, having a variety of forms - both structured and unstructured, are filtered according to business rules and are integrated in a single large data collection. Using informatics solutions, managers have understood that data stored in operational systems - including databases, are an informational gold mine that must be exploited. Data warehouses have been developed to answer the increasing demands for complex analysis, which could not be properly achieved with operational databases. The present paper emphasizes some of the criteria that information application developers can use in order to choose between a database solution or a data warehouse one.
data warehouse, database, database management systems, information systems, data organisation in externe memory, business intelligence.
Abstract: In the last thirty years the idea of Decision Support System(DSS) generated in the same time a lot of expectations and a lot of speculations and frustrations too. Although there was a fast development of the electronic equipment, managers often felt disappointed about their trails to use information technologies for the decision process (the electronic equipment led to the transformation of the way the information needed for the decision process was performed). Later, managers' attitude started to change as a result of the new storing technology and data analysis: data warehouses, OLAP(On Line Analytical Processing), Intranet and visual modeling. The paper deals with the problems associated with the development and implementation of software solutions for the management of real estate agencies in Romania.
decision support systems, real estate
Abstract: To succeed in the context of a global and dynamic economic environment, the companies must use all the information they have, as efficiently as possible, in order to gain competitive advantages and to consolidate their position on the market. They have to respond quickly to the changes in the business environment and to adapt themselves to the market’s requirements. To achieve these goals, the companies must use modern informatics technologies for data acquiring, storing, accessing and analyzing. These technologies are to be integrated into innovative solutions, such as Business Intelligence systems, which can help managers to better control the business practices and processes, to improve the company’s performance and to conserve it’s competitive advantages.
Business Intelligence, competitive advantage, OLAP, data mining, key performance indicators
Abstract: Business Intelligence (BI) is a last hour informatics technology which focuses on the organization, functioning and managing an industry with the help of calculating techniques. The development of the industry on the market environment, but also on the digital context, has served as solid experience for accumulating necessary knowledge in the BI field. This knowledge has been adopted and developed, in the last years, through the information resource. It is also known, that the information acquired through education and experience is knowledge. At this day in age the success of a business depends greatly on the quality and quantity of information on which it bases itself. A system for Business Intelligence (SBI) offers a technology, including software products which supply the users with the necessary information for dealing with problems that surface in the business activity. In order to develop a system for Business Intelligence (SBI), we have analyzed a few methodologies. On the basis of a comparative evaluation of these methodologies, as well as on the basis of the authors' experience in realizing informatics systems, we have proposed a set of activities which can be undertaken in order to realize a SBI. This set of activities may serve as a useful guide for those who study or develop a SBI.
business intelligence, SBI, systems development methodologies
Abstract: A characteristic of the actual informatics' context is the interference of the technologies, which assumes that for creating an informatics product, is necessary to use integrate many technologies. This thing is also used for database systems which had integrated, in the past few years, almost everything is new in informatics technology. The idea is that when using a DBMS the user can benefit all the necessary interfaces and instruments for developing an application with databases from the very beginning to the end, no matter the type of application and the work environment. The concept of the interference of informatics technologies has many advantages, which all contribute to increasing the efficiency of the activities that develop and maintain complex databases applications.
database systems - DBS, human-machine interface, database management systems - DBMS, programming, Java Platform, Grid Computing
Abstract: This paper propposes a methodology of Identity Management and Lightweight Directory Access Protocol metrics and analysis in the perspective of implementing Directory Services in ASE Campus.
Lightweight Directory Access Protocol, Identity Management
Abstract: The healthcare enterprises are very disconnected. This paper intends to propose a solution that will provide citizens, businesses and medical enterprises with improved access to medical virtual public services. Referred medical services are based on existing national medical Web services and which support medically required services provided by physicians and supplementary health care practitioners, laboratory services and diagnostic procedures, clinics and hospitals' services. Requirements and specific rules of these medical services are considered, and personalization of user preferences will to be supported. The architecture is based on adaptable process management technologies, allowing for virtual services which are dynamically combined from existing national medical services. In this way, a comprehensive workflow process is set up, allowing for service-level agreements, an audit trail and explanation of the process to the end user. The process engine operates on top of a virtual repository, providing a high-level semantic view of information retrieved from heterogeneous information sources, such as national sources of medical services. The system relies on a security framework to ensure all high-level security requirements are met. System's architecture is business oriented: it focuses on Service Oriented Architecture - SOA concepts, asynchronously combining Web services, Business Process Management - BPM rules and BPEL standards.
Business Process Management, Service Oriented Architecture, Application Integration, Web services, information technologies, virtual repository, database
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