Dănuț-Octavian Simion

• PhD
• Professor at Athenaeum University, Bucharest, Romania

The paper presents a database production model designed as a warehouse star that contain dimensions like deposits, raw materials, stocks, products, producer, locations, time and a fact table with foreign keys and measures. This model optimize the activity of a business based on a production activity in the way that it can store large amount of data...

The paper presents methods of making data flexible for applications that use databases for businesses in the competitive environment where the exchange of data and the forecasts are making the decision processes much easier. A star warehouse model for business is flexible at the physical level in the sense that offer the posibility to add new dimen...

The paper presents the benefits of usage of information systems in decisions for businesses, which can reveale the optimal choice of the solution in order to increase competitivity in a strategic economy. Within a company's computer system, systems for decision support are classified as systems for the management / management decision. They take da...

The paper presents the usage of databases that store business data into a warehouse star model that permits to create queries using SQL language and business intelligence tools. This kind of model allow to the decision maker to create complex reports and graphs based on the columns from the dimension tables and measures from fact tables, that can b...

he paper presents the study cases for using different types of data in the open-source business applications. These types of applications may use various sets of data that come from XML files, DBMS-s, simple files or results from other applications. A different way of using these data is to pack them through Java methods and unpack them through oth...

The paper presents the advantages of the management regarding business objects in economical applications through SOA technologies. These business objects usually represent entities like clients, orders, resources, data access objects and services used in the logic of the economic applications. The economical flows are very important within these k...

Abstract: The paper presents the advantages of a better management regarding business objects in economical applications that are used in the production activity. These business objects are usually Enterprise Java Objects that represents clients, orders, resources, data access objects and services used in the logic of the economic applications. The...

The paper presents the study cases for using different types of data in the web applications that use IPv6 Internet Protocol. These types of applications may use various sets of data that come from different sources or results from other business applications. A different way of using these data in web applications that use IPv6 Internet Protocol i...

Abstract: The paper presents the complex activity of making decisions in condition of uncertainty according to the available data, scenarios, decisions models and algorithms. Theoretical studies on rational decision making, notably that in the context of probability theory and decision theory, have been accompanied by empirical research on whether...

The paper presents the facilities advantages of using Enterprise Java Objects in Business Applications and emphases aspects like simplicity, application portability, component reusability, ability to build complex applications, separation of business logic from presentation logic, easy development of Web services, deployment in many operating envir...

The paper presents the Java facilities for Business Objects and emphases two aspects: design and implementation. Most applications have their main components structured in Presentation Tier, Business Tier and Integration Tier and Java programming language through classes, interfaces and services can separate these Tiers. The Business Objects repres...

The paper presents the ways of design dependencies for Java objects in Web Applications by using facilities of Spring Framework and Hibernate for Java Web Applications having as platform Java EE (Enterprise Edition) which provides the essential system services through a container-based architecture. The Spring Framework represents an open source ap...

The paper presents the facilities of Java programming language in Business Applications and emphases aspects like: connecting to databases, implementing business logic, performing different tasks, encapsulate objects and display results to the end user. Most applications have their main components structured in modules that represent business logic...

The paper presents the Java and SOAP (Simple Object Access Protocol) – working with WSDL (Web Services Description Language) and it looks at getting SOAP clients and servers, it is developed using different technologies, to work properly together with Description Language (WSDL) which is provided. The specifications are developed to cover clients a...

The paper presents Building Enterprise Applications with Java for SAP and defines the advantages of using an advanced object oriented programming language to enhance and customize existing SAP applications or to create new and specific applications. Java connects to SAP through JCo which is an application library that encapsulate a fairly complex s...

The paper presents the Java programming language facilities in working with XML files using JAXB (The Java Architecture for XML Binding) technology and generating PDF reports from XML files using Java objects. The XML file can be an existing one and could contain the data about an entity (Clients for example) or it might be the result of a SELECT-S...