Shows two methods for achieving organizational results. If an organization focuses only on the strategic side of the model, and if there is little congruence between the strategic and cultural side, the organization will stagnate and develop the characteristics of an entrenched bureaucracy. In contrast, if a company focuses only on the cultural side, the organization will quickly become a wonderful place to work but, unfortunately, it will soon close its doors because it lacks the ability to achieve long-term results. All models tend to generalize and cannot by their very nature take into account exceptions. Models tend to simplify complex issues. This, of course, is both a positive and a negative. The simplicity may help you see things you would otherwise have missed, but models do not answer all questions that may be posed relative to the given model's intended purpose. We also have to concern ourselves with the reality that these behaviours are motivated by shared values.
{"title":"A good strategy is not enough","authors":"T. Benesch","doi":"10.1109/ITI.2001.938060","DOIUrl":"https://doi.org/10.1109/ITI.2001.938060","url":null,"abstract":"Shows two methods for achieving organizational results. If an organization focuses only on the strategic side of the model, and if there is little congruence between the strategic and cultural side, the organization will stagnate and develop the characteristics of an entrenched bureaucracy. In contrast, if a company focuses only on the cultural side, the organization will quickly become a wonderful place to work but, unfortunately, it will soon close its doors because it lacks the ability to achieve long-term results. All models tend to generalize and cannot by their very nature take into account exceptions. Models tend to simplify complex issues. This, of course, is both a positive and a negative. The simplicity may help you see things you would otherwise have missed, but models do not answer all questions that may be posed relative to the given model's intended purpose. We also have to concern ourselves with the reality that these behaviours are motivated by shared values.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123563299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The article studies the purely viscous stationary flow of quasi-Newtonian fluids which share dependent viscosity, obeying the power law and Carreau's law. We prove the existence of the solution using the method of monotonicity. Finally, we study numerical algorithms which are useful for the practical solution of the discretized equation.
{"title":"Stationary Stokes system for quasi-Newtonian fluids","authors":"Ana Vukelid","doi":"10.1109/ITI.2001.938052","DOIUrl":"https://doi.org/10.1109/ITI.2001.938052","url":null,"abstract":"The article studies the purely viscous stationary flow of quasi-Newtonian fluids which share dependent viscosity, obeying the power law and Carreau's law. We prove the existence of the solution using the method of monotonicity. Finally, we study numerical algorithms which are useful for the practical solution of the discretized equation.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134115737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M.M. Kolodnytsky, A.M. Koivalchuk, S.V. Kuryata, V. Levitsky
The article shows how to solve some computational problems in finite group theory using the software system "DSR Open Lab 1.0" designed and developed by authors. We consider such computational problems as follows: the construction of the group using given elements or a genetic code (generators and relations), the operations with the group elements as well as the calculations of subgroups and their powers, normal subgroup, factor-group, etc. We also give a comparison of the user interface implementation of our software with Maple V Release 5. The presented examples show that the process of problem solving and teaching in finite group theory has become easier and more interactive now, due to the visual user interface of the presented software.
本文介绍了如何利用作者设计开发的软件系统“DSR开放实验室1.0”解决有限群论中的一些计算问题。我们考虑这样的计算问题:使用给定元素或遗传密码(生成器和关系)构造群，与群元素的运算以及子群及其幂、正规子群、因子群等的计算。我们还将本软件的用户界面实现与Maple V Release 5进行了比较。实例表明，由于所提供的软件具有可视化的用户界面，有限群论的解题和教学过程变得更加容易和更具交互性。
{"title":"Interactive visual software system for problem solving and teaching in finite group theory","authors":"M.M. Kolodnytsky, A.M. Koivalchuk, S.V. Kuryata, V. Levitsky","doi":"10.1109/ITI.2001.938049","DOIUrl":"https://doi.org/10.1109/ITI.2001.938049","url":null,"abstract":"The article shows how to solve some computational problems in finite group theory using the software system \"DSR Open Lab 1.0\" designed and developed by authors. We consider such computational problems as follows: the construction of the group using given elements or a genetic code (generators and relations), the operations with the group elements as well as the calculations of subgroups and their powers, normal subgroup, factor-group, etc. We also give a comparison of the user interface implementation of our software with Maple V Release 5. The presented examples show that the process of problem solving and teaching in finite group theory has become easier and more interactive now, due to the visual user interface of the presented software.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132481242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The article presents measurement data of the municipal heating process. A definition of process target function with respect to total heating comfort by information synthesis is given. Modeling of the target function by means of a circular explicit AI tool is described. A decision on meaningful models by the consistency of the physical set-up is discussed.
{"title":"Predictive model of the distributed heating","authors":"F. Jovic, V. Rajkovič, Z. Jagnjic, D. Vuksanovic","doi":"10.1109/ITI.2001.938037","DOIUrl":"https://doi.org/10.1109/ITI.2001.938037","url":null,"abstract":"The article presents measurement data of the municipal heating process. A definition of process target function with respect to total heating comfort by information synthesis is given. Modeling of the target function by means of a circular explicit AI tool is described. A decision on meaningful models by the consistency of the physical set-up is discussed.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133051960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The aim of this paper is to emphasise the importance of the calculation of price indices in external trade of the Republic of Croatia. In the Croatian Central Bureau of Statistics these indices are calculated by the "unit value" method, also described in the paper. Unit value indices are used for measuring price changes in the Croatian external trade, for calculating volume indices and terms of trade, and for deflating value indicators in the system of national accounts.
{"title":"Price indices in external trade of the Republic of Croatia","authors":"A. Jávor","doi":"10.1109/ITI.2001.938023","DOIUrl":"https://doi.org/10.1109/ITI.2001.938023","url":null,"abstract":"The aim of this paper is to emphasise the importance of the calculation of price indices in external trade of the Republic of Croatia. In the Croatian Central Bureau of Statistics these indices are calculated by the \"unit value\" method, also described in the paper. Unit value indices are used for measuring price changes in the Croatian external trade, for calculating volume indices and terms of trade, and for deflating value indicators in the system of national accounts.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134579376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We propose an end-to-end congestion control and bandwidth estimation algorithm for ABR traffic in high-speed ATM networks. The congestion control algorithm is derived using the Smith predictor and uses an estimation of the bottleneck queue level as feedback. The estimation allows the algorithm to be executed at the entry node of a high-speed ATM network without requiring any explicit feedback from the network switches.
{"title":"End-to-end congestion control and bandwidth estimation in high speed ATM networks","authors":"S. Mascolo, E. Di Sciascio, A. Grieco","doi":"10.1109/ITI.2001.937997","DOIUrl":"https://doi.org/10.1109/ITI.2001.937997","url":null,"abstract":"We propose an end-to-end congestion control and bandwidth estimation algorithm for ABR traffic in high-speed ATM networks. The congestion control algorithm is derived using the Smith predictor and uses an estimation of the bottleneck queue level as feedback. The estimation allows the algorithm to be executed at the entry node of a high-speed ATM network without requiring any explicit feedback from the network switches.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"06 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131349730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
From a statistical perspective, the goals of the analyses of health care data require the estimation of: covariate effects; cluster-specific measures of utilization, costs, outcomes; and systematic and random components of variation. These estimates need to account for within cluster correlations and to accommodate substantial variations in cluster size. The growing literature on hierarchical regression modeling (HRM) and its applications to health services and outcomes research includes work that is relevant to a broad set of subject-matter and methodologic questions. We focus on two illustrative examples: the HRM approach to profiling of medical care providers; and the use of HRM in the estimation and proper interpretation of the effect of covariates.
{"title":"Aspects of hierarchical regression modeling in health services and outcomes research","authors":"C. Gatsonis","doi":"10.1109/ITI.2001.937992","DOIUrl":"https://doi.org/10.1109/ITI.2001.937992","url":null,"abstract":"From a statistical perspective, the goals of the analyses of health care data require the estimation of: covariate effects; cluster-specific measures of utilization, costs, outcomes; and systematic and random components of variation. These estimates need to account for within cluster correlations and to accommodate substantial variations in cluster size. The growing literature on hierarchical regression modeling (HRM) and its applications to health services and outcomes research includes work that is relevant to a broad set of subject-matter and methodologic questions. We focus on two illustrative examples: the HRM approach to profiling of medical care providers; and the use of HRM in the estimation and proper interpretation of the effect of covariates.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115840965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Very often, insufficient data is exchanged between neighboring power systems for quality load flow and contingency analysis. The external systems, therefore, have to be substituted with the power system equivalents. In this paper the possibilities of using an artificial neural network as the external power system equivalent is explored, to be used for load flow and contingency analysis within the internal power system. The experiment is performed on a standard IEEE 24-node network which is, for the purposes of testing, divided into two systems (the internal and the external) and the external system is modeled by a neural network. The results are presented and discussed.
{"title":"Power system equivalent based on an artificial neural network","authors":"I. Pavić, Z. Hebel, M. Delimar","doi":"10.1109/ITI.2001.938042","DOIUrl":"https://doi.org/10.1109/ITI.2001.938042","url":null,"abstract":"Very often, insufficient data is exchanged between neighboring power systems for quality load flow and contingency analysis. The external systems, therefore, have to be substituted with the power system equivalents. In this paper the possibilities of using an artificial neural network as the external power system equivalent is explored, to be used for load flow and contingency analysis within the internal power system. The experiment is performed on a standard IEEE 24-node network which is, for the purposes of testing, divided into two systems (the internal and the external) and the external system is modeled by a neural network. The results are presented and discussed.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115625546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper presents a neural network based model for forecasting gas consumption for residential and commercial consumers. A feedforward neural network with sigmoid nodes and one hidden layer was trained by backpropagation. The model was validated on real data from a distribution area covering 7% of the total consumption in Croatia, consisting mostly of residential and commercial consumers.
{"title":"Short term hourly forecasting of gas consumption using neural networks","authors":"D. Peharda, M. Delimar, S. Lončarić","doi":"10.1109/ITI.2001.938043","DOIUrl":"https://doi.org/10.1109/ITI.2001.938043","url":null,"abstract":"This paper presents a neural network based model for forecasting gas consumption for residential and commercial consumers. A feedforward neural network with sigmoid nodes and one hidden layer was trained by backpropagation. The model was validated on real data from a distribution area covering 7% of the total consumption in Croatia, consisting mostly of residential and commercial consumers.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127115465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The abolishment of conventional structures and the reduction of control have made it possible for colleagues and teams to be aware of their responsibility independently. Therefore, managers can spend more time supporting the employees. Process teams do not need a boss, but a coach who gives advice, who does not take part in the game but who knows the rules and who is always available. The new manager prepares the way for his colleagues and creates the necessary surroundings. It is about being capable to get along well with people and to be proud of the achievement of others e.g. (Hammer, 1994). The paper discusses business re-engineering and customer satisfaction.
{"title":"From supervisor to coach","authors":"T. Benesch","doi":"10.1109/ITI.2001.938005","DOIUrl":"https://doi.org/10.1109/ITI.2001.938005","url":null,"abstract":"The abolishment of conventional structures and the reduction of control have made it possible for colleagues and teams to be aware of their responsibility independently. Therefore, managers can spend more time supporting the employees. Process teams do not need a boss, but a coach who gives advice, who does not take part in the game but who knows the rules and who is always available. The new manager prepares the way for his colleagues and creates the necessary surroundings. It is about being capable to get along well with people and to be proud of the achievement of others e.g. (Hammer, 1994). The paper discusses business re-engineering and customer satisfaction.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"129 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124235471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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