The globalization process makes all countries stock markets similar to each other. In the paper we try to evaluate this process by analyzing the network models of some countries stock markets by means of neural networks. Our results show that each of the considered countries stock market has a peculiarity that can be used to distinguish the markets.
In the present paper a program is implemented to evaluate the hydrodynamic loads on the underwater hydro technical constructions, which was modeled using Navier-Stokes equations. As a basis smoothed particle hydrodynamic method is used.
At the current paper the analytical model and method of software architectural pattern and tactics selection for Internet of Things systems was presented. The meaning of IoT is generalized, vertical and horizontal classification of IoT systems has been provided with base quality attributes for such systems. Necessary software quality attributes were achieved by using base architectural pattern along with design tactics. Presented analytical model describes achievement of the software quality attributes with regards to project effort calculated with COCOMO II model. This approach allows to minimize effort calculation function and select suitable architectural patterns and design tactics on the earliest stages of the project. Usage of the presented methods potentially minimizes errors on the software architecture design stage, when only requirements and system prerequisites are available. As a result, the evaluation of one of the architectural patterns for IoT preventive maintenance system is presented. Proposed approach could be used on the earliest stages of the project for achieving the necessary quality attributes of the software and minimizing software cost as well as during prototype creation within strict time frame.
The article considers main problems of representing professional knowledge in the domain of logistics. In order to determine key methods for development of formal ontology of logistics authors carried out survey of scientific publications which investigate principles of logistic ontology design and disclosure some ontology extracts. Our research in the domain of ontology engineering shows that most of researchers exploit Supply Chain Operations Reference Model as a primary reference model during design of ontology of logistics. That reference model represents systematic description of the business-processes, metrics, best practices and technological techniques facilitating unified interaction of supply chains participants and increasing efficiency of supply chain management.
The article reveals the necessity of creating new user-level text analysis tools which should provide facilities for the open text analysis system for extending its functionality by users. The article shows details of the open text analysis system and used text analyses approaches which it is based on. A script language is suggested as an expandable tool for text analysis for wide range of users. Some examples of the usage of this language are shown in scripts for some practical tasks.