Software & Systems

Articles of journal № 3 at 2012 year.

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51. Automated technology of expert system creation related to psychophysiological diagnostics [№3 за 2012 год]
Authors: Ермаков А.Е., Найденова К.А.
Visitors: 9342
The article describes automated creation technology without programming of the broad group of psychological and physiological expert diagnostic systems and educational expert systems designed for investigation of various aspects that relate to patient’s psychological and physiological condition; it is also designed for professional training. The provided technology is based on formalized model of the subject of research, it uses several models of diagnostic decision; it is implemented with problem-oriented program tool and software that interprets features of the expert system based on combined specification of expert knowledge, combining their direct expert specification and integrated procedures of inductive knowledge acquisition. This technology can be used by psychologists, physiology experts, doctors and personnel working in higher education system and colleges and scientific and research departments. Program tool provides developers the ability to conveyor specification of the structural and functional parameters of the expert systems to be designed, when individual specification steps follow one after another according to semantics of the described objects and existing relations. Description interpretive program is represented by the software system that provides practical use of expert systems, – patients’ data base maintenance, implementation of diagnostic procedures, step by step data processing, examination management, formulation of diagnostic decision and presentation of examination in the form of table or chart at screen or a print form.

52. Technology of synthesis of high resolution stereo video clips in the real time 3d visualization system [№3 за 2012 год]
Authors: Torgashev M.A., Timokhin P.Yu.
Visitors: 8842
The article describes the high resolution video file synthesis technology allowing video clips of high quality in various stereo formats to be obtained within the framework of real time visualization system. Such stereo formats as anaglyphical, interlaced, vertical and horizontal stereopair format and format for autostereoscopic displays Philips are supported. The proposed technology makes it possible to fix the training process in the real time mode and then synthesize the high quality video material illustrating the recorded process. The article gives the detailed study of the relevant scheme of video clips synthesis on the basis of training record files, proposes the relevant data structures and algorithm of their processing. It separately studies the stage of video clip recording and associated issues of synthesis of high resolution images in video memory, elimination of visual defects caused by image discreteness, issues of compaction of video information and its recording into the file. The program module developed on the basis of the technologies proposed in the article can find its application in a wide range of problems requiring the synthesis of high quality material, including building of simulation and training complexes, tutorial systems and game applications.

53. Management of enterprise personnel interaction in multiactor integrated information environment [№3 за 2012 год]
Author: Ivaschenko A.V.
Visitors: 10226
The article describes the mechanism of information management of consistent interaction of the research and development enterprise personnel in the integrated information environment on the basis of the results of interdependent interval and correlation analysis of message passing regularity of pace. It proposes the technology of analysis of the enterprise organizational structure enabling to explore the combined impact of a time factor and a human factor on the process of interaction by production and coordination of solutions by the users of integrated information environment. It presents the interaction model in multiactor integrated information environment of the enterprise enabling to implement the strategies of information management of its users' interaction with regard to the human factor, and proposes formalization of problem of information object distribution among actors in the form of allocation problem. It introduces the relevance coefficient which allows determination of consistency between information objects and interests of actors formalized in the form of tag clouds, as well as the regularity coefficient, which allows exploration of information interchange flows between the participants of decision making process. It shows that the users of the integrated information environment of the research and development enterprise comprise a social network that makes it possible to explore new properties of the enterprise personnel interaction processes in the common information area. It proposes the structure of the personnel management system at the research and development enterprise in the integrated information environment. The example is given to illustrate implementation of the described approach, which made it possible to provide operability of automated smart systems of production resources distribution management in real time mode.

54. Experimental study of an estimator consistensy related to the Rash model latency features [№3 за 2012 год]
Author: Елисеев И.Н.
Visitors: 9083
Consistency of an estimator of the maximum likelihood related to latency features «task severity» of the test and «preparation level» of a student in one-parameter dichotomous Rash model when the amount of selected students N and number of the test task L grows without limitation, is supported by computing experiment. It is shown that extreme values of latency features are achieved when N=1500 and L=1500, and they stay stable with following growth of N, L. They offer calibration technique to calibrate test tasks by test resulting matrix of limited amount, which significantly reduces its measure of inaccuracy. The study was performed based on computation experiment. First part of the study examined dependence of the maximum likelihood related to latency features and from matrix size of the test results. It was assumed that estimate distribution and was normal. Based on dichotomous result matrix with dimensions of 6049 and provided algorithm, the author formed reference dichotomous resulting matrix of tests with dimensions of 501500 to 25052505. Then they were processed and the data was presented in graphic form. Data was analyzed and latency features were compared among themselves , and ( ) as well. In the second part of the computing experiment, results received from the result matrix model were checked upon M1 real test result matrix with dimensions of 5150. Reference result matrix models were formed using statistic parameters of statistics distribution and , calculated with M1 matrix. Resulting estimation of latency features and were compared against proper estimations of and of M1 matrix.

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