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The article contains the review of main types of computer crimes and results of inquiry researches carried out in April 1998 in Szczecin region. The researches included the problems of the computer piracy, computer viruses, hacking and the document falsification.
Information has always followed human. Its mean in global information's society is still increasing. Develop of technique, electronics, Internet opens new possibilities of satisfying information's needs such as e-mail, discussions lists or URL, but direct human-to-human communication is also very important; books and newspapers will be still printing; they will coexists with their equivalents on CD-ROMs.
In recent years personal computers started fast development. Their processing power rapidly increased and work environment became friendlier for the end user. Accordingly, management and maintenance of mass data raised a need for enhanced data security and protection computer system equipped with central MAINFRAME seems to be a good solution for this problem, because of its data protection and data...
The article describes problems with automation of decreeing in accountancy in a context of rationalization a company's information system. According to the author, an effective solution of this problem is the key to the integrated systems of real time. The article includes synthetic description of decreeing automation methods presented in the literature and presentation of the author's research results.
The project management is a specialised branch of management that has evolved b co-ordinate and control some of the complex activities of modern industry. Because project management is about change, project management is about change manage ment. In this article is presented what is a project and how should be managed. The manl elements of a project are planning and control. Parts 3 and 4 include...
The main elements of a project are planning and control. Before any project begins it should be planned. There are some very specific tools available to help plan and manage projects. This group of tools includs two main: network diagrams (PERT charts, CPA/CPM) and GANTT charts. A network chart is a diagram showing the sequence in which the activities in the project must be carried out, the durations...
Requirement Engineering has emerged as domain of the research and practice a faw years ago. It concerns the first phase of information systems developement cycle. This paper deals with the subject and problems of requirements engineering. The typology of requirements of organization is proposed. The methods and techniques are studied. The four orientaations of requirements specificaation methodes...
The goal of the article is to present some aspects of utilisation of CASE technology in process of information systems development. Development of information systems and development of information system design methods are discussed. Some ideas of integrated CASE tools architecture are presented.
Article this has in view to introduce theoretical basis Spatial Information System. Presents definitions, which are used in dependences from uses SIP and accepted somewhere of system according to different criterions. Becomes also introduced internal structure SIP and in detail talked over main subsystems SIP: hardware, software, data, people and methods.
International net is the fastests displaing medium of informations, it gives an opportunity of fast and expensive present and data transfer. The stock-exchange players in whole world appereciate value of fast and current information. Thanks to this information they can faster than their copetitors make a decision which gives them high profits. The purpose of this ariele is analize the opportunities...
The article contains a review of research on productivity paradox of information technology. It highlights the key findings and essential research references. The aim of the article is to present diversity of opinions among researches and some of the premises of the diversification. Presented ideas indicate a need for better measures of production output to properly evaluate IT investments' impact...
Towards the end of the XX age there has been considerable progress of technology in telecomunication and computer science inquiry. Traditional manner of delivering and storages of information in paper- figure was ineffective and caused that firms were less competitive. All this contributed to quick interests with new system called workflow management systems. This new system of workflow permited to...
Article contains inquiry results concerning different computer science problems of society and its knowledge on these themes. Among others inquiry showed quite good computer science awareness of society as well as positive attitude to computerization.
Work generally involves either operations or projects. Operations and projects differ primarily in that operations are ongoing and repetive while projects are temporary and unique. A project can thus be defined in terms of its distinctive characteristics - a project is a temporary endeavor undertaken to create a unique product or service. Temporary means that every project has a definite beginning...
A lot of modern organisations see the possibility of entering on higher level of management, more efficient services for clients, the cost reduction with the assistance of the information technology. The tool, which may help for it, especially if the organisation has some information system, is the data warehouse. The basic aim of the data warehouse building is securing better corporation data access...
Die Dynamik des Endes XX-en Jahrhundert, druckt auf die schnelle Organisations- und Strukturänderungen der Unternehmen. Die immer noch innovativer Wirtschaftsentwicklung fuhrt zu der Notwendigkeit des Wandels der Unternehmensorganisation von der funktionelle Organisation bis virtuelle Organisation. Die noch nicht fest konkretisierte Organisation charakterisiert die Fähigkeit, Flexibilität, schelle...
Polen kommt immer mehr in den Kreis, der als "Informationsgesellschaft" oder "Gesellschaft der Global Information" bezeichnet wird. Der Entwicklungs- und Kompliziertheitsgrad der gesellschaftlichen und wirtschaftlichen Prozesse fordert die neuen Techniken für die Sammlung, Verarbeitung, Übertragung und Benutzung großer Mengen von Informationen, die die obengenannten Prozesse generieren...
Computer simulation is a fundamental discipline for studying complex systems. Like any other discipline simulation must grow to maintain its position as the base methodology. The paper presents the possibility of enriching the computer simulation methodology by identifying relationships between simulation and the artificial intelligence techniques. There are discussed the following techniques: expert...
One of the most popular information systems in our times are expert systems and AI systems. This article is based on the first class of systems mentioned above, i.e. - expert systems. It contains two possibilities of algorithms which shows how the main kinds of rule expert systems function. It contains also two examples of knowledge base which totally describe every step of created algorithms.
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