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arXiv 2024年

作者： Kozlowski, Wojciech Kuipers, Fernando A. Smets, Rob Turkovic, Belma QuTech Delft University of Technology Delft2628 CD Netherlands The Networked Systems Group Department of Software Technology Faculty of Electrical Engineering Mathematics and Computer Science Delft University of Technology Delft2628 CD Netherlands SURF Utrecht3511 EP Netherlands TNO The Hague2595 DA Netherlands

Quantum entanglement is so fundamentally different from a network packet that several quantum network stacks have been proposed;one of which has even been experimentally demonstrated. Several simulators have also been developed to make up for limited hardware availability, and which facilitate the design and evaluation of quantum network protocols. However, the lack of shared tooling and community-agreed node architectures has resulted in protocol implementations that are tightly coupled to their simulators. Besides limiting their reusability between different simulators, it also makes building upon prior results and simulations difficult. To address this problem, we have developed QuIP: a P4-based Quantum Internet Protocol prototyping framework for quantum network protocol design. QuIP is a framework for designing and implementing quantum network protocols in a platform-agnostic fashion. It achieves this by providing the means to flexibly, but rigorously, define device architectures against which quantum network protocols can be implemented in the network programming language P416. QuIP also comes with the necessary tooling to enable their execution in existing quantum network simulators. We demonstrate its use by showcasing V1Quantum, a completely new device architecture, implementing a link- and network-layer protocol, and simulating it in the existing simulator NetSquid. © 2024, CC BY.

关键词： Network architecture

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Weather Data Analysis Using Hadoop: Applications and Challenges

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IOP Conference Series: Materials Science and engineering 2019年第1期551卷

作者： Mohammed Adam Ibrahim Fakherldin Khalid Adam Noor Akma Abu Bakar Mazlina Abdul Majid Faculty of Computer Science and Information Systems Jazan University Faculty of Electric and Electronic Engineering Universiti Malaysia Pahang Faculty of Computer System & Software Engineering Universiti Malaysia Pahang

Weather data is very crucial in every aspect of human daily life. It plays an important role in many sectors such as agriculture, tourism, government planning, industry and so on. Weather has a variety of parameters like temperature, pressure, humidity and wind speed. The meteorological department deployed sensors for each weather parameter at different geographical locations to collect data. This data is stored mostly in the unstructured format. Thus, a big amount of data has been collected and archived. Therefore, storage and processing of this big data for accurate weather prediction is a huge challenge. Hadoop an apache product it used to support big data sets in a distributed environment. Hadoop has greatest advantages over scalable and fault-tolerant distributed processing technologies. This paper explains a system that uses the historical weather data of a region and apply the MapReduce and Hadoop techniques to analysis these historical data.

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Environmental Risks in Supply Chain: Recommendations and Directions for Future Research

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IOP Conference Series: Materials Science and engineering 2019年第1期551卷

作者： Arwa Mukhtar Awanis Romli Mansoor Abdullateef Hael Al-bashiri Faculty of Computer Systems and Software Engineering Universiti Malaysia Pahang Kuantan 26300 Malaysia Faculty of Computer and Cyber Science Software Engineering University Prince Mugrin Al-Madinah 41499 Saudi Arabia

This paper explores the environmental risks in supply chains and provides recommendations for subsequent studies. Typically, the environmental responsibility is a core part of sustainability which focuses attention directly to protecting and restoring the environment. Furthermore, environmental awareness is essential to design globally distributed supply chain networks. Therefore, the aim of this research is to explore the environmental risks and to identify the available solutions along with a projection of future trends. The basic research steps have been followed to complete this work. The Findings of this research describes the environmental risks that arises during supply chains operations. Furthermore, recommended solutions have been highlighted to address the identified risks. The Blockchain technology is regarded as a suitable solution for the environmental risks issue. The motivation for recommending this technology is its capabilities to contribute effectively towards greening the supply chain operations.

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Indoor Air Quality (IAQ) Sensing Device Prototype: software-Hardware Architecture and Performance

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IOP Conference Series: Materials Science and engineering 2019年第1期551卷

作者： A Nor Azhar M Rahmah AH Roslina Z Fauziah Department of Computer Science Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak Gambang 26300 Kuantan Pahang Malaysia Department of Graphic & Multimedia Technology Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak Gambang 26300 Kuantan Pahang Malaysia Department of Software Engineering Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Lebuhraya Tun Razak Gambang 26300 Kuantan Pahang Malaysia

In a green environment, air quality is among the prominent aspects to be considered to prevent pollution and in turn maintain safe air. Sick Building Syndrome (SBS) and Building Related Illness (BRI) are the problems that must be encountered by building occupants. Existing devices are quite expensive, and more attention is needed on monitoring air quality. Therefore, this paper discusses a software-hardware architecture proposal to overcome the existing IAQ data retrieval performance problem. The objective of this work is to analyse the most recent IAQ sensing device developed by the researcher, to evaluate the performance attribute, and to implement the software-hardware architecture based on the Performance-Driven software Architecture Refactoring (PDSAR) method. In order to assess the overall performance of the architecture proposed, the prototype of the Indoor Air Quality (IAQ) sensing device was developed. The testing was performed during a period of six months. The results demonstrate that the average performance for 540 readings is 76.67%. This shows that the architecture can be accepted as a generic IAQ sensing device development structure. The device act as an alternative, cheaper and safer device which can be employed by all building owners in the future.

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Pointwise Logic on Completely Distributive Lattices and Approximate Reasoning

Pointwise Logic on Completely Distributive Lattices and Appr...

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International Conference on Fuzzy systems and Knowledge Discovery (FSKD)

作者： Yalin Zheng Guang Yang Jing Zheng Jinsheng Xing State Key Laboratory for Intelligent Technology and Systems Department of Automation Faculty of Information Science and Technology Tsinghua University Beijing China Research Center of Intelligent Information Technology Department of Computer Science and Technology Faculty of Software Dongguan University of Science and Technology Dongguan China Research Center of Dongguan Economy Department of Economy and Commerce Dongguan University of Science and Technology Dongguan China Faculty of Mathematics and Computer Science Shanxi Normal University Linfen China Research Center of System Engineering Faculty of Electronic and Information Engineering Xi'an Jiaotong University Xi'an China

In this paper, we propose the basic framework of point- wise topological logic on completely distributive lattices and explore approximate reasoning in it. The logic of this paper is based on pointwise characterization, therefore the pointwise conception is pervasive. We explore approximate reasoning in abstract logical framework Fl on completely distributive lattice L. We propose the structure of point- wise topological logic F TL , the structure of matching function sigma. and the structure of matching neighborhood group. We investigate approximate reasoning in pointwise topological logic F TL with matching function sigma, develop pointwise topological algorithm of simple approximate reasoning, introduce the essential characteristics of this scheme.

关键词： Lattices Fuzzy logic computer science Knowledge engineering Fuzzy systems Information technology Laboratories Intelligent systems Automation Information science

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Energy efficient algorithms based on VM consolidation for cloud computing: Comparisons and evaluations

arXiv

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arXiv 2020年

作者： Zhou, Qiheng Xu, Minxian Gill, Sukhpal Singh Gao, Chengxi Tian, Wenhong Xu, Chengzhong Buyya, Rajkumar Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences China School of Electronic Engineering and Computer Science Queen Mary University of London United Kingdom School of Software and Information Engineering University of Electronic Science and Technology of China China Faculty of Science and Technology Macao University China School of Computing and Information Systems University of Melbourne Australia

Cloud Computing paradigm has revolutionized IT industry and be able to offer computing as the fifth utility. With the pay-as-you-go model, cloud computing enables to offer the resources dynamically for customers anytime. Drawing the attention from both academia and industry, cloud computing is viewed as one of the backbones of the modern economy. However, the high energy consumption of cloud data centers contributes to high operational costs and carbon emission to the environment. Therefore, Green cloud computing is required to ensure energy efficiency and sustainability, which can be achieved via energy efficient techniques. One of the dominant approaches is to apply energy efficient algorithms to optimize resource usage and energy consumption. Currently, various virtual machine consolidation-based energy efficient algorithms have been proposed to reduce the energy of cloud computing environment. However, most of them are not compared comprehensively under the same scenario, and their performance is not evaluated with the same experimental settings. This makes users hard to select the appropriate algorithm for their objectives. To provide insights for existing energy efficient algorithms and help researchers to choose the most suitable algorithm, in this paper, we compare several state-of-the-art energy efficient algorithms in depth from multiple perspectives, including architecture, modelling and metrics. In addition, we also implement and evaluate these algorithms with the same experimental settings in CloudSim toolkit. The experimental results show the performance comparison of these algorithms with comprehensive results. Finally, detailed discussions of these algorithms are provided. Copyright © 2020, The Authors. All rights reserved.

关键词： Cloud computing

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A Review on Simulation and Modelling for Patient Flow in Emergency Department

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IOP Conference Series: Materials Science and engineering 2019年第1期551卷

作者： Nidal Hamza Mazlina Abdul Majid Khalid Adam Noor Akma Abu Bakar Faculty of Computer Systems & Software Engineering Universiti Malaysia Pahang Malaysia Faculty of Electrical and Electronics Engineering Universiti Malaysia Pahang Malaysia

At the moment, most of the hospitals are more interested in patient satisfaction because this has been identified as a main issue of quality of service indexes. In most of the Asian countries' the type of registration system being operated in the healthcare systems are a sort of mixed-mode. Specifically, there are scheduled patients, as well as patients who just walk in and register. Unfortunately, this type of registration structure could increase the patient waiting period even in emergency cases. Interestingly, various methodologies have been explored in order to shorten this undesirable waiting time. This paper focuses on exploration of the characteristics and significance of existing models and simulation techniques from the literature. The combination of agent-based modelling (ABM), DES and integration of DES and ABS technique has been chosen as the solution to modelling patient emergency waiting time in the emergency department realistically. The proactive and independent characteristics of agents in both approaches will contribute to the good representation of patient emergency waiting time in the especially in the emergency department.

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The influence of AJAX on Web usability

The influence of AJAX on Web usability

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International Conference on e-Business

作者： Andreas Holzinger Stefan Mayr Wolfgang Slany Matjaz Debevc Institute of Medical Informatics Statistics and Documentation (IMI) Research Unit HCI4MED MedUni Graz & Institute of Information Systems and Computer Media (IICM) Technical University of Graz Graz Austria Institute of Software Technology (IST) Technische Universität Graz Graz Austria Faculty of Electrical Engineering and Computer Science University of Maribor Maribor Slovenia

In this paper we discusses some pros and cons of using AJAX for increasing the usability of Web applications. As AJAX allows Web applications look like desktop applications, it can increase the learnability of a Web application. Nevertheless, AJAX can also be the source of end user frustration if the XMLHttpRequest is not supported by the browser, Javascript is not available, or an Internet connection is missing. We also provide some workarounds for server response time gaps, for example by providing visible user feedback messages) and enabling the back button to work properly.

关键词： Usability Browsers Servers Web pages Electronic mail Internet

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A Preliminary Component Model for IoT

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IOP Conference Series: Materials Science and engineering 2020年第1期769卷

作者： Arbaayah Kamarudin Ng Keng Yap Mohamed Abdullahi Ali Lim Swee Phang Department of Software Engineering and Information Systems Faculty Computer Science and Information Technology Universiti Putra Malaysia

The enthusiasm of IT entrepreneurs in producing Internet of Things (IoT) systems is undeniable as currently, the number of connected devices is enormously increasing. Many research has been done to efficiently develop IoT systems. IoT systems are usually engineered from scratch. IoT component models have been introduced but lack of generic development framework or model that supports high reusability and loose coupling in dealing with the heterogeneous devices that can hinder its development. Thus, an IoT component model is proposed. Meta-modelling has been used to define the component model where the specific interaction and composition standard in a component are abstracted. IoT component model is intended to develop a prototype for IoT development. With this IoT prototype, IoT system developers will not need to develop everything from scratch every time, as generic components can be reused even when it is applied in different domains or during system enhancement is required. Smart home IoT system has been selected as a case study to evaluate our prototype tool. In this study, we provide an alternative way to develop IoT software in component-based software engineering method. A prototype has also been developed to assist reusability and reduce coupling between modules.

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Generation of discrete frequency and wavelength for secured computer networks system using integrated ring resonators

Generation of discrete frequency and wavelength for secured ...

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International Conference on computer and Communication engineering, ICCCE

作者： I. S. Amiri k. Sarkhanlou A. Nikoukar A. Shahidinejad J. Ali P. P. Yupapin Institute of Advanced Photonics Science Nanotechnology Research Alliance Universiti Teknologi Malaysia (UTM) Johor Bahru Malaysia Department of Computer Software Engineering Comprehensive University of Applied and Practical Sciences Ardebil Iran Faculty of Computer Science & Information Systems (FCSIS) Universiti Teknologi Malaysia (UTM) Johor Bahru Malaysia Advanced Research Center for Photonics Faculty of Science King Mongkut's Institute of Technology Ladkrabang Bangkok Thailand

In this study, a system of discrete optical pulse generation via a series of microring resonator (MRR) is presented. Chaotic signals can be generated by an optical soliton or a Gaussian pulse within a MRR system. Large bandwidth signals of optical soliton are generated by input pulse propagating within the MRRs, which can be used to form continuous wavelength or frequency with large tunable channel capacity. Therefore, distinguished discrete wavelength or frequency pulses can be generated by using localized spatial pulses via a networks communication system. Selected discrete pulses are more suitable to generate high-secured quantum codes because of the large free spectral range (FSR). Quantum codes can be generated by using a polarization control unit and a beam splitter, incorporating to the MRRs. In this work, frequency band of 10.7 MHz and 16 MHz and wavelengths of 206.9 nm, 1448 nm, 2169 nm and 2489 nm are localized and obtained which can be used for quantum codes generation applicable for secured networks communication.

关键词： Optical solitons Optical filters Optical pulses Optical ring resonators Nonlinear optics Optical polarization

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