A multidimensional data model for the analysis of soil properties is built. An analysis of it is performed using OLAP (on-line analytical processing) operations. A risk measure for soil quality assessment (based on the upper partial moment) is introduced in the multidimensional data model.
{"title":"A Multidimensional Data Model for Analysis of Agricultural Soil Characteristics","authors":"C. Rădulescu","doi":"10.1109/CANS.2008.23","DOIUrl":"https://doi.org/10.1109/CANS.2008.23","url":null,"abstract":"A multidimensional data model for the analysis of soil properties is built. An analysis of it is performed using OLAP (on-line analytical processing) operations. A risk measure for soil quality assessment (based on the upper partial moment) is introduced in the multidimensional data model.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"44 1","pages":"126-129"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75659135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The 6-PGK parallel robot has a new configuration different from the Stewart platform. In this paper a geometrical method to determine exactly the boundary of the workspace in a horizontal cross-section, due to the limitations on the range motion of the prismatic kinematics pairs is presented. This method is illustrated with examples.
{"title":"Geometrical Method for Description of the 6-PGK Parallel Robot's Workspace","authors":"L. Moldovan","doi":"10.1109/CANS.2008.13","DOIUrl":"https://doi.org/10.1109/CANS.2008.13","url":null,"abstract":"The 6-PGK parallel robot has a new configuration different from the Stewart platform. In this paper a geometrical method to determine exactly the boundary of the workspace in a horizontal cross-section, due to the limitations on the range motion of the prismatic kinematics pairs is presented. This method is illustrated with examples.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"26 1","pages":"45-51"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80785586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this paper, we shall attempt to establish continued fraction representations of certain poly-basic series. We shall also deduce certain interesting special cases of our result.
在本文中，我们将尝试建立某些多基级数的连分数表示。我们还将从我们的结果中推导出一些有趣的特例。
{"title":"On Certain Continued Fraction Representations of Poly-basic Series","authors":"R. Denis, S.N. Singh, S.P. Singh","doi":"10.1109/CANS.2008.37","DOIUrl":"https://doi.org/10.1109/CANS.2008.37","url":null,"abstract":"In this paper, we shall attempt to establish continued fraction representations of certain poly-basic series. We shall also deduce certain interesting special cases of our result.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"29 1","pages":"166-173"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81082418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We propose a new measure that quantifies the communication capabilities of networks. More precisely, in this paper we show that the well known channel capacity of a memoryless channel, introduced in information theory, can be defined for arbitrary directed networks. We argue that this new measure, which we call network channel capacity, might be useful for characterizing and classifying communication networks. As first examples we present results for random networks and discuss practical implications.
{"title":"Towards a Channel Capacity of Communication Networks","authors":"F. Emmert-Streib, M. Dehmer","doi":"10.1109/CANS.2008.19","DOIUrl":"https://doi.org/10.1109/CANS.2008.19","url":null,"abstract":"We propose a new measure that quantifies the communication capabilities of networks. More precisely, in this paper we show that the well known channel capacity of a memoryless channel, introduced in information theory, can be defined for arbitrary directed networks. We argue that this new measure, which we call network channel capacity, might be useful for characterizing and classifying communication networks. As first examples we present results for random networks and discuss practical implications.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"75 1","pages":"94-99"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74312279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hydroxyapatite (HA,Ca10(PO4)6(OH)2), that the principal mineral component of the bone tissue, has remarkable precursor of growth properties in the porous structure sort with strongly interconnected pores. The interconnection of the pores is an essential condition assuring high quality of bone implants. We suggest the experimentation of a silicon nanotubes structure (SiNT) as support to enhance the growth of a high quality HA. We propose a model obtaining a silicon nanotubes structure, by silicon atoms adsorption, from vapour phase, in the pores of AlPO4 (AFI) zeolite. A collection of 3D interconnected nanotubes of the deposited silicium can be obtained after matrix removal.
{"title":"Simulation of the Growth Process of a Silicium Nanotubes Structure as Biomaterial in the Porozity of Zeolite AFI","authors":"Ana Ioanid, R. Ciuceanu","doi":"10.1109/CANS.2008.34","DOIUrl":"https://doi.org/10.1109/CANS.2008.34","url":null,"abstract":"Hydroxyapatite (HA,Ca10(PO4)6(OH)2), that the principal mineral component of the bone tissue, has remarkable precursor of growth properties in the porous structure sort with strongly interconnected pores. The interconnection of the pores is an essential condition assuring high quality of bone implants. We suggest the experimentation of a silicon nanotubes structure (SiNT) as support to enhance the growth of a high quality HA. We propose a model obtaining a silicon nanotubes structure, by silicon atoms adsorption, from vapour phase, in the pores of AlPO4 (AFI) zeolite. A collection of 3D interconnected nanotubes of the deposited silicium can be obtained after matrix removal.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"1 1","pages":"225-230"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78709453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Multivariate statistical methods for the analysis of large quantities of data have been applied to problem solving in different domains during the last decades. This paper summarizes the main points of the principal components analysis (PCA) method and its robust fuzzy alternatives, and describes a few applications highlighting the practical usefulness of this approach.
{"title":"Applications of Principal Components Methods","authors":"Horia F. Pop, M. Frentiu","doi":"10.1109/CANS.2008.20","DOIUrl":"https://doi.org/10.1109/CANS.2008.20","url":null,"abstract":"Multivariate statistical methods for the analysis of large quantities of data have been applied to problem solving in different domains during the last decades. This paper summarizes the main points of the principal components analysis (PCA) method and its robust fuzzy alternatives, and describes a few applications highlighting the practical usefulness of this approach.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"27 1","pages":"103-109"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87371743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mobile agents as network computing technology has been applied to solve various parallel and distributed computing problems, including parallel processing, information search and network management. Protection of the mobile agents in the network and against the hosts is a difficult task. In this paper, we analyze the increased security solutions provided by a novel class of mobile agents called ICMA agents developed during our previous researches. An ICMA multiagent system is a complex system, composed from relatively simple agents who at the level of the system has a complex behavior. ICMA mobile agents have some advantages in the protection versus other mobile agents described in the literature. The self-protection mechanisms consist in distributing the problem solving knowledge, reducing the useless distributed problem solving knowledge in time and intelligent controlling of the distributed operating components. In this paper there are introduced the notions internal and external complexity of an agent-based complex system.
{"title":"Complex Mobile Multiagent Systems","authors":"B. Iantovics, Bogdan Crainicu","doi":"10.1109/CANS.2008.10","DOIUrl":"https://doi.org/10.1109/CANS.2008.10","url":null,"abstract":"Mobile agents as network computing technology has been applied to solve various parallel and distributed computing problems, including parallel processing, information search and network management. Protection of the mobile agents in the network and against the hosts is a difficult task. In this paper, we analyze the increased security solutions provided by a novel class of mobile agents called ICMA agents developed during our previous researches. An ICMA multiagent system is a complex system, composed from relatively simple agents who at the level of the system has a complex behavior. ICMA mobile agents have some advantages in the protection versus other mobile agents described in the literature. The self-protection mechanisms consist in distributing the problem solving knowledge, reducing the useless distributed problem solving knowledge in time and intelligent controlling of the distributed operating components. In this paper there are introduced the notions internal and external complexity of an agent-based complex system.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"39 1","pages":"21-30"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79856618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper attempts to simulate changes in the mechanical properties of lungs through their equivalent changes in the human respiratory input impedance. The theory of electrical transmission lines and ladder networks is used to develop an equivalent model of the respiratory system. Three typical cases are investigated: healthy, asthma and chronic obstructive pulmonary disease. Simulation results are tested on different types of ladder network cells, such as RC, RLC and various simulating conditions of the whole system. Our conclusion is that an RLC cell gives results which are comparable to real measurements from healthy, asthma, or chronic obstructive pulmonary disease subjects and changes in the morphology.
{"title":"Models for the Respiratory System Using Morphology-Based Electrical Analogy","authors":"I. Muntean, C. Ionescu, I. Nascu","doi":"10.1109/CANS.2008.36","DOIUrl":"https://doi.org/10.1109/CANS.2008.36","url":null,"abstract":"This paper attempts to simulate changes in the mechanical properties of lungs through their equivalent changes in the human respiratory input impedance. The theory of electrical transmission lines and ladder networks is used to develop an equivalent model of the respiratory system. Three typical cases are investigated: healthy, asthma and chronic obstructive pulmonary disease. Simulation results are tested on different types of ladder network cells, such as RC, RLC and various simulating conditions of the whole system. Our conclusion is that an RLC cell gives results which are comparable to real measurements from healthy, asthma, or chronic obstructive pulmonary disease subjects and changes in the morphology.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"4 1","pages":"243-249"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74821137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Our purpose in this paper is to show how it is possible to obtain improved tools, in a computational sense, for Learning Bayesian Networks (LBNs). And also give a more mathematically consistent and complete formulation. First, by the partition in equivalence classes, and then selecting a graph as representative of each one of them, the so called Essential Graph. Second, analyzing the asymptotical behavior of the ratio among the cardinal of equivalence classes (therefore, of essential graphs) and the cardinal of Directed Acyclic Graphs (DAGs) of order n, and reciprocally, when this number of nodes tends to infinity. This study is made in both algebraic and geometrical ways. Finally, we describe the future research lines, in LBNs and Probabilistic Graphical Models (PGMs), by new algebraic and geometrical tools.
{"title":"Essential Graphs and Bayesian Networks","authors":"Angel Garrido","doi":"10.1109/CANS.2008.25","DOIUrl":"https://doi.org/10.1109/CANS.2008.25","url":null,"abstract":"Our purpose in this paper is to show how it is possible to obtain improved tools, in a computational sense, for Learning Bayesian Networks (LBNs). And also give a more mathematically consistent and complete formulation. First, by the partition in equivalence classes, and then selecting a graph as representative of each one of them, the so called Essential Graph. Second, analyzing the asymptotical behavior of the ratio among the cardinal of equivalence classes (therefore, of essential graphs) and the cardinal of Directed Acyclic Graphs (DAGs) of order n, and reciprocally, when this number of nodes tends to infinity. This study is made in both algebraic and geometrical ways. Finally, we describe the future research lines, in LBNs and Probabilistic Graphical Models (PGMs), by new algebraic and geometrical tools.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"217 1","pages":"149-156"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79687793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C. Matei, T. Benedek, M. Chițu, I.A. Sarbu-Pop, I. Kovács, I. Benedek, K. Eniko, K. Judit
Computerized 3D echocardiography could be an alternative in order to identify viable myocardium as target area for revascularization and cell therapy after myocardial infarction, especially when other imagistic techniques (SPECT, PET) are not available. Stem cell transplantation after myocardial infarction is an innovative therapy in order to save larger myocardial areas and to recover hibernated myocardium postinfarction. We studied 39 patients with acute myocardial infarction classified in three groups, according to the treatment performed. For all patients we used computerized 3D echocardiography to determine objective parameters for complex analyze of left ventricular contractility, synchronism and remodeling. Parameters determined were: contraction dis-synchronism between different segments, time delay until reaching the maximum contraction amplitude, maximum contraction excursion, ejection fraction at different segments, ventricular volumes in different moments of cardiac cycle.
{"title":"Selection of Target Area for Interventional and Cell Therapy after Myocardial Infarction Using 3d Echocardiography","authors":"C. Matei, T. Benedek, M. Chițu, I.A. Sarbu-Pop, I. Kovács, I. Benedek, K. Eniko, K. Judit","doi":"10.1109/CANS.2008.31","DOIUrl":"https://doi.org/10.1109/CANS.2008.31","url":null,"abstract":"Computerized 3D echocardiography could be an alternative in order to identify viable myocardium as target area for revascularization and cell therapy after myocardial infarction, especially when other imagistic techniques (SPECT, PET) are not available. Stem cell transplantation after myocardial infarction is an innovative therapy in order to save larger myocardial areas and to recover hibernated myocardium postinfarction. We studied 39 patients with acute myocardial infarction classified in three groups, according to the treatment performed. For all patients we used computerized 3D echocardiography to determine objective parameters for complex analyze of left ventricular contractility, synchronism and remodeling. Parameters determined were: contraction dis-synchronism between different segments, time delay until reaching the maximum contraction amplitude, maximum contraction excursion, ejection fraction at different segments, ventricular volumes in different moments of cardiac cycle.","PeriodicalId":50026,"journal":{"name":"Journal of Systems Science & Complexity","volume":"40 1","pages":"203-208"},"PeriodicalIF":2.1,"publicationDate":"2008-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72682434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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