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7th IET Smart Cities Symposium (SCS 2023)

作者： Maad M. Mijwil El-Sayed M. El-kenawy Indu Bala Mohammad Aljanabi Mostafa Abotaleb Abdelhameed Ibrahim Computer Techniques Engineering Department Baghdad College of Economic Sciences University Baghdad Iraq Department of Communications and Electronics Delta Higher Institute of Engineering and Technology Egypt School of Electrical and Electronics Engineering Lovely Professional University Punjab India Department of Computer Aliraqia University Baghdad Iraq Department of System Programming South Ural State University Chelyabinsk Russia Computer Engineering and Control Systems Department Faculty of Engineering Mansoura University Mansoura Egypt

Blood is vital for transporting oxygen, nutrients, and hormones to all body parts as it circulates through arteries and veins. It removes carbon dioxide, regulates body temperature, and maintains the body's immune system. Individuals constantly need blood and its derivatives to save their lives and improve their health through medical treatments and surgical operations. Liver diseases are one of the diseases that affects the health of individuals and requires blood to continue living. These diseases cause significant damage to people's health, and early diagnosis plays a crucial role in saving lives. In this paper, machine learning algorithms (support vector machine and random forest) are involved in detecting liver diseases and determining whether donors are suitable to donate blood from blood values. This paper is applied research that found that the performance measures of the random forest algorithm achieved excellent performance in identifying suitable people to donate blood.

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Synthesis of The Theory of Motion of Solid Bodies Filled With Bulk Substances For Fault-Tolerant Identification of Their Parameters

Synthesis of The Theory of Motion of Solid Bodies Filled Wit...

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IEEE International Conference on Dependable Systems, Services and Technologies (DESSERT)

作者： Vitalii Kolodnenko Anna Shyman Yevhen Kalinin Nina Kuchuk Department of Agricultural Engineering Sumy National Agrarian University Sumy Ukraine Department of Computer Engineering and Programming «Kharkiv Polytechnic Institute» National Technical University Kharkiv Ukraine Tractors Cars and Bioenergy Resources Department National University of life and environmental sciences of Ukraine Kyiv Ukraine

In the article, the Lagrange equations of motion of a solid body having volumes fully or partially filled with a granular media presented in the form of an ideal liquid. To expand the possibility of applying the theory, it is assumed that the model bulk medium has a surface tension. The first integrals of these equations have been considered. Further, conditions under which there is equilibrium or stationary motion of a solid with a loose medium that are reduced to the conditions of extremality (stationarity) of the potential energy or the modified potential energy of the system are derived from the equations of motion. In practically interesting cases, the problem of the minimum change in potential energy is solved by studying the second variation of the latter, the conclusion of the expression of which is given. In the nonlinear formulation, the theorem on the instability of the equilibrium position of a body with a granular media is proved in the case when the potential energy of the system does not have a minimum in the equilibrium position.

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probabilistic and deterministic local search for solving the binary multiknapsack problem*

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Optimization 1995年第2期33卷 155-166页

作者： Bertocchi, M. Butti, A. Slominski, L. Sobczynska, J. Department of Mathematics Statistics and Computer Science University of Bergamo Bergamo Piazza Rosate 2 Italy Mathematical Programming Department Systems Research Institute Polish Academy of Sciences Warsaw Newelska str 6 Poland

Results of extensive computational experiments aimed at comparing performance quality (accuracy of an approximate solution and the running time) of the Threshold Accept (TA) approach versus the Simulated Annealing (SA) and a Greedy-Local improvement Search (GLS) approaches are presented. This comparison is done on a large set of test examples that represent the binary Multiknapsack Problem (MKP). It appears that the best accuracy results are obtained for the TA algorithm. Purely deterministic search is only slightly worse in accuracy, but remarkably better in the running time, comparing to both SA and TA. © 1995 Taylor & Francis Group, LLC

关键词： Deterministic greedy-local type search Multiknapsack problem Simulated annealing and threshold accept algorithms

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On the social organisation of organisations

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computer Supported Cooperative Work 1992年第1-2期1卷 95-118页

作者： Jirotka, Marina Gilbert, Nigel Luff, Paul Centre for Requirements and Foundations Programming Research Group University of Oxford Computing Laboratory Oxford OX1 3QD United Kingdom Social and Computer Sciences Research Group Department of Sociology University of Survey Guildford GU2 5XH United Kingdom Department of Sociology University of Surrey Guildford GU2 5XH United Kingdom Rank Xerox Cambridge EuroPARC Cambridge CB2 1AB 61 Regent Street United Kingdom

This paper considers a range of theoretical approaches to the understanding of organisations and the implications these views have for the design of computer supported cooperative work systems. Organisations have often been seen as structures which can be divided into hierarchically ordered parts or as networks of informal relations. Organisational theorists have also considered organisations to resemble organisms with needs for survival in potentially hostile environments or as information processors, with decision-making as their most important characteristic. More recently, developments in the social sciences have suggested that radical reconceptualisations are necessary for the study of work settings. Consequently, these developments have attracted attention due to their potential to inform system design. This paper reviews some of these efforts and comments on some of the outstanding problems that have to be overcome if studies of everyday work settings are to inform the design of systems to support collaborative work. © 1992 Kluwer Academic Publishers.

关键词： CSCW Ethnography Ethnomethodology Organisations Social Science

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Evaluation models for the noise diminution due to the phonique barrier walls

Evaluation models for the noise diminution due to the phoniq...

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7th European Conference on Noise Control 2008, EURONOISE 2008

作者： Arghir, M. Borza, D. Blaga, F. Vesseleny, T. Solea, G. Runcan, M. Technical University of Cluj-Napoca Faculty of Machines Design Department of Mechanics and Computer Programming B-dul MunciiNr. 103-105 400 641 Cluj-Napoca Romania National Institute of Applied Sciences of Rouen INSA Rouen LMR Ave l'Universite 76800 Rouen France University of Oradea Str. Universitatii nr.1 400 641 Cluj-Napoca Romania

The paper contains our study regarding the reduction of urban noise using the sonic barrier walls as to the EMPARA procedure, which is based on the simplified standard method for measurements and computing of surface traffic noise inside urban agglomeration, as they are given in SRM2 laws (Netherlands standards). The studies are made taking into account all parameters that characterize the noise attenuation. The graphical representations are made considering "n-1" constant parameters, and one parameter varying with time. In this way we obtained the influence of each parameter in the diminution of the urban noise using the noise barrier walls. In addition we realized a measurement for a real barrier wall inside the city of Oradea. Our study also contains a FEM model for the analyzed configuration. The comparison between measurements and computation was fair enough, which means that our theoretical study is acceptable and characterizes the noise pollution and its diminution in the urban agglomeration. The measurement-device was a CENTER 322 Sound Lever Meter.

关键词： Noise pollution

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2012年 7241 LNCS卷 IV页

作者： Zsók, Viktória Horváth, Zoltán Plasmeijer, Rinus Eötvös Loránd University Faculty of Informatics Department of Programming Languages and Compilers Pazmany Peter Setany 1/C 1117 Budapest Hungary Radboud University Computer and Information Sciences Institute Heyendaalseweg 135 6525 AJ Nijmegen Netherlands

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A principle feature analysis

arXiv

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arXiv 2021年

作者： Breitenbach, Tim Rasbach, Lauritz Liang, Chunguang Jahnke, Patrick Biozentrum Universität Würzburg Am Hubland Würzburg97074 Germany Department of Computer Science Distributed Systems Programming Technische Universität Darmstadt Hochschulstraße 10 Darmstadt64289 Germany

A key task of data science is to identify relevant features linked to certain output variables that are supposed to be modeled or predicted. To obtain a small but meaningful model, it is important to find stochastically independent variables capturing all the information necessary to model or predict the output variables sufficiently. Therefore, we introduce in this work a framework to detect linear and non-linear dependencies between different features. As we will show, features that are actually functions of other features do not represent further information. Consequently, a model reduction neglecting such features conserves the relevant information, reduces noise and thus improves the quality of the model. Furthermore, a smaller model makes it easier to adopt a model of a given system. In addition, the approach structures dependencies within all the considered features. This provides advantages for classical modeling starting from regression ranging to differential equations and for machine learning. To show the generality and applicability of the presented framework 2154 features of a data center are measured and a model for classification for faulty and non-faulty states of the data center is set up. This number of features is automatically reduced by the framework to 161 features. The prediction accuracy for the reduced model even improves compared to the model trained on the total number of features. A second example is the analysis of a gene expression data set where from 9513 genes 9 genes are extracted from whose expression levels two cell clusters of macrophages can be *** Codes 00A71, 93A30, 65C60, 93B40, 93E25 © 2021, CC BY-NC-SA.

关键词： Differential equations

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Using the Model of a Functional Rationalizer of Consumer Behavior in Recommendation Systems for Managing the Transport Activity of the Urban Population 23

Using the Model of a Functional Rationalizer of Consumer Beh...

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23rd International Conference on Soft Computing and Measurements, SCM 2020

作者： Seliverstov, Yaroslav A. Seliverstov, Svytoslav A. Podoprigora, Nikolay V. Starichenkov, Alexey L. Naryshkin, Roman S. Solomenko Institute of Transport Problems Russian Academy of Sciences Institute of Computer Science and Technology Peter the Great St.Petersburg Polytechnic University Laboratory of Intelligent Transport Systems St. Petersburg Russia Saint Petersburg State University of Architecture and Civil Engineering Department of Ground Transportation Technological Machines St. Petersburg Russia Saint Petersburg Electrotechnical University 'LETI' Department of Ship Control Systems St. Petersburg Russia Saint Petersburg State University Department of Programming Technology St. Petersburg Russia

ISBN: (纸本)9781728196923

An overview of existing urban software mobile applications of the transport and economic direction is given. A model of a functional rationalizer of consumer behavior is being built. The software model of the functional rationalizer of consumer behavior (SM FRCB) was developed for the first time. PMFRCB allows the user to expand the number of his preferred needs (occupations, activities) during the daily cycle through intelligent recommendations. Also, SM FRCB allows you to optimize needs (activities, activities) at the cost and rate of their use. The SM FRCB is made in Python_3 using the libraries matplotlib, collections, numpy, pyplot, mplot3d. The analysis of consumer behavior before and after using the functional rationalizer model is carried out. The graphical results of a structural analysis of the costs of old and new consumer behavior, analysis of consumer behavior within the boundaries of the theory of possibilities and the model of transport behavior of a resident before and after applying the functional rationalizer model are presented. The prospects of further improving the SM FRCB are considered. © 2020 IEEE.

关键词： Smart city

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A case study of software testers

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AI EDAM 2009年第1期3卷 35-51页

作者： Robin Lampert David Hamilton Elliot Soloway Yale University Department of Computer Science Cognition and Programming Project P. O. Box 2158 Yale Station New Haven CT 06520 IBM Systems Integration Division 3700 Bay Area Blvd. Houston TX 77058 U.S.A.

In an effort to learn more about how testers test code, we observed several testers while they designed tests to check a change which had been made to code. Using a case study methodology, we gathered empirical data from the ‘real world’—professional testers, and actual software products. We found that testers do share some common work patterns. These patterns can be seen in their information gathering, their use of heuristics and their construction of mental models. This work is extremely knowledge intensive, experience appears to have a useful effect. In this paper we will discuss how we collected and analysed our data. Then we will present some of our observations about how the testers gathered information, used heuristics, formed mental models and were affected by their previous experience in the course of designing their test scenarios. Based on these observations we comment on training and tools for testers.

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How file access patterns influence interference among cluster applications

How file access patterns influence interference among cluste...

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IEEE International Conference on Cluster Computing

作者： Chih-Song Kuo Aamer Shah Akihiro Nomura Satoshi Matsuoka Felix Wolf Department of Computer Science RWTH Aachen University Aachen Germany German Research School for Simulation Sciences Laboratory for Parallel Programming Aachen Germany Tokyo Institute of Technology Global Scientific Information and Computing Center Tokyo Japan

On large-scale clusters, tens to hundreds of applications can simultaneously access a parallel file system, leading to contention and in its wake to degraded application performance. However, the degree of interference depends on the specific file access pattern. On the basis of synchronized time-slice profiles, we compare the interference potential of different file access patterns. We consider both micro-benchmarks, to study the effects of certain patterns in isolation, and realistic applications to gauge the severity of such interference under production conditions. In particular, we found that writing large files simultaneously with small files can slow down the latter at small chunk sizes but the former at larger chunk sizes. We further show that such effects can seriously affect the runtime of real applications-up to a factor of five in one instance. In the future, both our insights and profiling techniques can be used to automatically classify the interference potential between applications and to adjust scheduling decisions accordingly.

关键词： Interference Servers Throughput Benchmark testing Market research Degradation Aggregates

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