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One of the most important phases in information system development is data modeling. In higher education and in professional environment, the basic data models are ER model, relational model and object oriented model, i.e. class diagram. Since conceptual modeling is crucial data modeling activity, special concern on methods for conceptual modeling is given in this paper. Case study shows that application...
Balanced scorecard is one of most used methodologies for performance measurement in enterprises and non-profit organizations. It presents a general framework that has been applied more precisely by many scientists and practitioners. It has been adapted to particular performance measurement systems. These monitoring systems are based on collecting data and analysis of these data. This paper presents...
Evaluation of students work during educational process depends on strategic decisions regarding continual monitoring or sequential knowledge and skills assessment. Sequential assessment often includes projects and tests. In the field of information systems education projects are used very often as a method for students' knowledge and practical skills assessment. In this paper authors present data...
This paper describes implementation of a software system for analyzing data model correctness. Proposed system is based on integration of an automated reasoning system with CASE tool output in aim to automate the process of data model evaluation. The system is based on transformation of XML form of a conceptual data model to predicate logic form and merging with data model quality rules. Result of...
Data modeling is one of the most important activities in the process of information systems development which is based on domain knowledge in specific area. This paper presents a system for analyzing data model correctness from both syntax and semantic aspect. The system is based on using ontology for domain knowledge representation, transformation of data models and ontology to predicate logic form...
This paper presents data warehouse system design with example of a software importer and distributor Call center. Data analyses of telephone requests for servicing software products at Call center have been implemented. Call center business processes have been described. Conceptual model of database is presented, as well as aggregated data created with data warehouse. Multi-Dimensional On-Line Analytical...
With the popularity of ubiquitous computing, context-aware applications become clearly necessary. This kind of applications allows mobile users to universally access services in respect to any user context including his computing environment. Challenges for these applications are to easily manipulate both context collection and analysis and to react dynamically to every relevant evolution in the execution...
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