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IEEE International Symposium on Embedded Multicore/Many-core System-on-Chip

作者： Kenji Kanazawa Shaowei Cai Faculty of Engineering Information and Systems University of Tsukuba State Key Laboratory of Computer Science Institute of Software Chinese Academy of Sciences

ISBN: (纸本)9781538666906

In this paper, we propose an FPGA solver for the maximum clique problems encoded into the partial maximum satisfiability (partial MaxSAT). Given a Boolean formula with hard constraints that required to be satisfied and soft constraints that are desired to be satisfied, the goal of partial MaxSAT is to find a truth assignment that satisfies all hard constraints and as many soft constraints as possible. The maximum clique problem involves finding a clique with the maximum possible number of vertices in a given graph, which can be formulated as partial MaxSAT in a natural way. The Dist algorithm is one of the best performing local search algorithms for solving partial MaxSAT. In this paper, we reconstruct the Dist algorithm to leverage its inherent parallelism while maintaining the accuracy of the algorithm for maximum clique problems and then describe the implementation of the algorithm on FPGA. Our FPGA solver can solve partial MaxSAT-encoded maximum clique problems up to 22 times faster than the Dist algorithm on CPU.

关键词： Field programmable gate arrays Partial SEARCHING ALGORITHM algorithms central processing units Solve

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Efficacy of Cupping in the Treatment of Hypertension Disease Using Graph Colouring

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Journal of Physics: Conference Series 2019年第1期1366卷

作者： Marta a/p Elizabeth Yuhani Binti Yusof Mohd Sham Bin Mohamad Muhamad Faiz Abu Bakar Mohd Adhha Ibrahim AIMs Research Cluster Centre for Mathematical Sciences Faculty of Computer Systems and Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak 26300 Gambang Kuantan Pahang Malaysia Pusat Bekam Al-Yakin Kuantan Pahang Malaysia

Cupping therapy also well known as Hijama is an ancient and holistic method for treatment variety of infirmities particularly cardiovascular diseases such as hypertension. In this method, suction mechanism used to create partial vacuum inside the cup that mobilizes the blood flow and promotes effective healing at the specific point. As practise, the selection of the points based is on patient's complaints. The aim of this study is to identify the least number yet the most effectiveness point at minimal cost to treat hypertension disease. The graph colouring method is applied, besides C# language is used to validate the result. The finding of this research indicates that the optimum number of hypertension medical cupping points is two.

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An Energy-Efficient Cross-Layer approach for cloud wireless green communications

An Energy-Efficient Cross-Layer approach for cloud wireless ...

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International Conference on Fog and Mobile Edge Computing (FMEC)

作者： Ali Safa Sadiq Turfah Zeyad Almohammad Rabiatul Adawiah Bt Muhamed Khadri Abdulghani Ali Ahmed Jaime Lloret Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Kuantan Gambang Pahang Malaysia Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Kuantan Malaysia Universidad Politecnica de Valencia Valencia Spain

ISBN: (纸本)9781538628607

In wireless sensor networks (WSN), energy consumption is one of the crucial issues. It is very important to conserve energy at each sensor node to prolong a network lifetime. The main challenge in WSN is to develop an energy efficient algorithm to minimize energy consumption during transmitting information from deployed sensors up to the cloud resources. Many researches have been studied the designing of energy efficient technique based on one-layer stack model approach. In this study, we propose Energy-Efficient Cross-Layer (EECL) approach by using the interaction of MAC layer and physical layer information to be exploited by a network layer to achieve energy efficient communication. More precisely, network layer could utilize the MAC layer and physical layer information to establish an energy efficient route path to be used in forwarding data. The proposed EECL approach uses X-MAC protocol in support of duty cycle which introduces short preambles that switches to wake-up/sensing mode only for nodes belonging to routing path while the other nodes set to be in sleep mode. The distance between nodes that influences energy consumption and Bit Error Rate (BER) are set to be the parameters which they are help in indicating the required power for each hop during route path selection in WSN and avoid the rely-hops that suffering from high average BER and with farther distance. We conduct the experiment using Matlab to evaluate the effectiveness of our proposed approach in terms of power consumption and obtained data rate. The results show that our proposed EECL approach outperforms its representatives in the ability of tuning the power utilized in respect with required data rate that could satisfy the desired Quality-of-Service (QoS).

关键词： Wireless sensor networks Energy efficiency Routing Energy consumption Media Access Protocol Mathematical model

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Review of Access Control Mechanisms in Cloud Computing

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Journal of Physics: Conference Series 2018年第1期1049卷

作者： Muhammad Rizwan Ghori Abdulghani Ali Ahmed Faculty of Computer Systems and Software Engineering University of Malaysia Pahang Gambang Campus Kuantan Malaysia

Cloud Computing is an evolving technology in the field of IT. People are using this technology vastly as it reduces the storage and other services burden of the users as they use the services provided by the cloud. There are many advantages related to this technology like unlimited storage, cost effectiveness but lacking the strong authentication process. Many researchers are working on the security issue of cloud like user confidentiality, integrity and authenticity etc. However, in this paper we have reviewed and discussed several papers that are related to the authentication in cloud environment. Moreover, after studying different authentication system made by the researchers, we have critically analysed them and found advantages and disadvantages along with some suggestions for the future work.

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VANET Routing Protocols: Review, Implementation and Analysis

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Journal of Physics: Conference Series 2018年第1期1049卷

作者： Muhammad Rizwan Ghori Ali Safa Sadiq Abdul Ghani Faculty of Computer Systems and Software Engineering University of Malaysia Pahang Gambang Campus Kuantan Malaysia

Wireless technology is developing very fast. Most of the researchers are working in the field of wireless communication. VANET is an evolving technology in the field of wireless communication and with the advancement it will contribute more to the smart transportation system in days to come. VANET gives a communication framework that has enhanced the traffic service and helped in reducing the road accidents. Data sharing in this system is time sensitive and require quick and vigorous network connection forming. VANET is serving the said purposes but there are some issues and challenges like efficient handling of fast handovers for video streaming applications. Therefore, in this paper we have reviewed and discussed several studies related to the routing protocols to judge which one is the best for video applications in VANET. Moreover, after studying different systems made by the researchers, we have critically analyzed them and found advantages and disadvantages for the future works. Also, simulation is performed to check the delays and throughput comparisons between the routing protocols. Furthermore, with the experiments we have proven that the AODV performance is better than the other ad-hoc protocols in VANET environment.

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Content-centric event-insensitive big data reduction in internet of things

Content-centric event-insensitive big data reduction in inte...

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2017 IEEE Global Communications Conference, GLOBECOM 2017

作者： Bhuiyan, Zakirul Alam Wang, Guojun Wang, Tian Rahman, Arafatur Wu, Jie Department of Computer and Information Sciences Fordham University New YorkNY10458 United States School of Computer Science and Educational Software Guangzhou University Guangzhou510006 China College of Computer Science and Technology Huaqiao University Xiamen361021 China Faculty of Computer Systems and Software Engineering University Malaysia Pahang26300 Malaysia Center for Networked Computing Temple University PhiladelphiaPA19122 United States

ISBN: (纸本)9781509050208;9781509050192

As more knowledge discovery functions or sensing units for event detection are added to sensor devices in the Internet of Things (IoT), devices acquire big data that is bigger than they are able to deliver using their radios in a given time window. As a result, energy consumption for big data acquisition and transmission and real-time data processing are great challenges. In this paper, we introduce BigReduce, a low- cost IoT framework for event detection that reduces a big amount of data at the time of data acquisition and before the data transmission across the network. BigReduce works on the analysis of the frequency content of signals as they are acquired and efficiently adapts the frequency rate based on the sensitivity to a respective event, such as fire event. Instead of transmitting the entire set of acquired data, BigReduce transmits only the signals that have a high event-sensitivity. We provide a detailed algorithm for fire event sensitivity indication based on the frequency consents. Results achieved through a lab testbed show that BigReduce is able to reduce energy consumption by at least 78% and data volume by 82% in comparison to other frameworks. © 2017 IEEE.

关键词： Data mining

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Multi-scale colour completed local binary patterns for scene and event sport image categorisation

IAENG International Journal of Computer Science

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IAENG International Journal of computer Science 2017年第2期44卷 197-211页

作者： Rassem, Taha H. Khoo, Bee Ee Makbol, Nasrin M. Alsewari, AbdulRahman A. Faculty of Computer Systems and Software Engineering IBM Centre of Excellence Universiti Malaysia Pahang Malaysia School of Electrical and Electronic Engineering Universiti Sains Malaysia Malaysia Faculty of Computer Science and Engineering Hodeidah University Yemen

The Local Binary Pattern (LBP) texture descriptor and some of its variant descriptors have been successfully used for texture classification and for a few other tasks such as face recognition, facial expression, and texture segmentation. However, these descriptors have been barely used for image categorisation because their calculations are based on the gray image and they are only invariant to monotonic light variations on the gray level. These descriptors ignore colour information despite their key role in distinguishing the objects and the natural scenes. In this paper, we enhance the Completed Local Binary Pattern (CLBP), an LBP variant with an impressive performance on texture classification. We propose five multiscale colour CLBP (CCLBP) descriptors by incorporating five different colour information into the original CLBP. By using the Oliva and Torralba (OT8) and Event sport datasets, our results attest to the superiority of the proposed CCLBP descriptors over the original CLBP in terms of image categorisation.

关键词： Local binary pattern

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Information security policy compliance behavior based on comprehensive dimensions of information security culture: A conceptual framework 17

Information security policy compliance behavior based on com...

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2017 International Conference on Information System and Data Mining, ICISDM 2017

作者： Nasir, Akhyari Arshah, Ruzaini Abdullah Ab Hamid, Mohd Rashid Faculty of Computer Media and Tech. Management TATI University College Teluk Kalong Kemaman Terengganu24000 Malaysia Faculty of Computer Systems and Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak Kuantan Pahang26300 Malaysia Faculty of Industrial Sciences and Technology Universiti Malaysia Pahang Lebuhraya Tun Razak Kuantan Pahang26300 Malaysia

ISBN: (纸本)9781450348331

The adherence of employees towards Information Security Policy (ISP) established in the organization is crucial in reducing information security risks. Some scholars have suggested that employees' compliance to ISP could be influenced by Information Security Culture (ISC) cultivated in the organization. Several studies on the impact of ISC towards ISP compliance have proposed different dimensions and factors associated to ISC with substantial differences in each finding. This paper is discussing an enhanced conceptual framework of ISP compliance behavior by addressing ISC as a multidimensional concept which consist of seven comprehensive dimensions. These new proposed ISC dimensions developed using all the key factors of ISC in literature and were aligned with the widely accepted concept of organizational culture and ISC. The framework also integrated with the most significant behavioral theory in this domain of study, which is Theory of Planned Behavior to provide more deep understanding and richer findings of the compliance behavior. This framework is expected to give more accurate findings on the relationships between ISC and ISP compliance behavior. © 2017 Association for Computing Machinery.

关键词： Personnel

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Factors Influencing the Continuous Use of Cloud Computing Services in Organization Level

Factors Influencing the Continuous Use of Cloud Computing Se...

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作者： Mohammed A.Al-Sharafi Ruzaini Abdullah Arshah Emad A.Abu-Shanab Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Accounting & Information Systems College of Business & Economics Qatar University

The primary purpose of carrying out this research work is to identify the crucial factors that influence the continuous use of cloud computing services in organizations. To achieve this identified objective, this research work carried out a comprehensive literature review on cloud computing services‘ adoption at the organizational level, particularly emphasizing the factors that define the prolonged adoption of cloud computing services. The factors identified, served as a guide required by organizations for completely safe and effective cloud computing service and their use in businesses. This research adopts the criteria of Wymer and Regan as a basis for this study. A total of 53 factors were obtained from prior studies on the cloud computing services‘ adoption. Results obtained during the cause of study revealed that the most crucial factors affecting the continuous use of cloud computing services in organizations are as follows: Relative advantage;Complexity: Perceived security and privacy;Compatibility;Top manager‘s support;Cost reduction;Competitive pressure;IT readiness;Firm size;Vendor support;Regulations and Government policy;Trialability;Perceived reliability;Perceived availability;Uncertainty and Perceived Trust.

关键词： Factors affecting cloud computing adoption Cloud computing services Continuous use of cloud computing services

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Cloud scalable multi-objective task scheduling algorithm for cloud computing using cat swarm optimization and simulated annealing 8

Cloud scalable multi-objective task scheduling algorithm for...

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8th International Conference on Information Technology, ICIT 2017

作者： Gabi, Danlami Ismail, Abdul Samad Zainal, Anazida Zakaria, Zalmiyah Al-Khasawneh, Ahmad Department of Computer Science Faculty of Computing Universiti Teknologi Malaysia Skudai Johor81310 Malaysia Department of Computer Science Kebbi State University of Science and Technology Aliero Nigeria Department of Software Engineering Faculty of Computing Universiti Teknologi Malaysia Skudai Johor81310 Malaysia Computer and Information Systems Faculty of Prince Al-Hussein Bin Abdullah II of Information Technology Hashemite University Zarqa Jordan

ISBN: (纸本)9781509063321

In cloud computing, customers-desired Quality of Service (QoS) expectations are quite superficial due to lack of scalable task scheduling solutions that can adjust to long-time changes. Researchers in the literature have put forward several task scheduling algorithms to account for customers' QoS expectations. Unfortunately, most of these algorithms need improvements to ensure the provisioning of better consumers' QoS expectation. In this study, a Multi-Objective QoS model to address customers' expectation based on execution time and execution cost criteria is presented. A Cloud Scalable Multi-Objective Cat Swarm Optimization (CSO) based Simulated Annealing (SA) (CSM-CSOSA) algorithm is then proposed to solve the model. In this method, the Taguchi Orthogonal approach is used to enhanced the SA and incorporated into the local search of the proposed algorithm for enhancing it exploration capability. Implementation of the algorithm is carried out on CloudSim tool and evaluated using one dataset (Normal distributed) and one Parallel Workload (High-Performance Computing Center North(HPC2N)). Quantitative analysis of the algorithm performance is taken based on metrics of execution time, execution cost, QoS and percentage improvement. Result obtained is compared with that of Multi-Objective Genetic Algorithm (MOGA), Multi-Objective Ant Colony (MOSACO) and Multi-Objective Particle Swarm Optimization (MOPSO), where proposed method is able to return substantial performance with improved QoS. © 2017 IEEE.

关键词： Simulated annealing

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