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Effect of Inadequate School Plant on Academic Performance of Nigerian Secondary School Students

Effect of Inadequate School Plant on Academic Performance of...

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作者： Olaniyan,Olaolu Damilola Anthony Kolawole israel Department of Special Education and Curriculum Studies Adeyemi College of Education

The Nigerian education system is grappling with a plethora of problems which seem to defy solution over the years, chief among such problems is gross inadequacy in quality of facilities available to students in Nigerian secondary schools, and the haphazard citing of such schools occasionally in places that are not easily accessible or even places that are susceptible to ambient noise interference. The foregoing situation has had its backlash effects on academic performance of students as evidenced by dwindling academic performance. It has also culminated in an emerging trend of parental [reference for schools, however these private schools and most parents can hardly afford the extravagant fees they charge. Therefore the thrust of this paper is to identify causes of inadequate school plant in Nigerian secondary schools proffer solution such as: increased government subvention payable to schools;renovation of all school buildings by government;and provision of adequate IT facilities among other government interventions.

关键词： School Plant, Performance, Secondary Schools, Nigeria, Facilities.

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Trusted Detection of Sensitive Activities on Mobile Phones Using Power Consumption Measurements

Trusted Detection of Sensitive Activities on Mobile Phones U...

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IEEE Joint Intelligence and Security Informatics conference (JISIC)

作者： Mordechai Guri Gabi Kedma Boris Zadov Yuval Elovici Department of Information Systems Engineering Ben-Gurion University Department of Electrical and Computer Engineering Ben-Gurion University Beer-Sheva Israel Telekom Innovation Laboratories at Ben-Gurion University

The unprecedented popularity of modern mobile phones has made them a lucrative target for skillful and motivated offenders. A typical mobile phone is packed with sensors, which can be turned on silently by a malicious program, providing invaluable information to the attacker. Detecting such hidden activities through software monitors can be blindfolded and bypassed by rootkits and by anti-forensic methods applied by the malicious program. Moreover, detecting power consumption by software running on the mobile phone is susceptible to similar evasive techniques. Consequently, software based detection of hidden malicious activities, particularly the silent activation of sensors, cannot be considered as trusted. In this paper we present a method which detects hidden activities using external measurement of power consumption. The classification model is acquired using machine-learning multi-label classification algorithms. Our method overcomes the inherent weaknesses of software-based monitors, and provides a trusted solution. We describe the measurement setup, and provide detailed evaluation results of the algorithms used. The results obtained so far support the feasibility of our method.

关键词： Mobile handsets Power demand Global Positioning System IEEE 802.11 Standards Power measurement Monitoring Battery charge measurement

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Smart Retrofit Solution: An Architecture for Digital Innovation

Smart Retrofit Solution: An Architecture for Digital Innovat...

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IEEE International conference on engineering, Technology and Innovation

作者： Ilaria Pietrangeli Giovanni Mazzuto Filippo Emanuele Ciarapica Maurizio Bevilacqua Marco Ortenzi Department of Industrial Engineering and Mathematical Science Università Politecnica delle Marche Ancona Italy

ISBN: (数字)9798350362435

ISBN: (纸本)9798350362442

As industries progress toward Industry 4.0 and subsequent frameworks, integrating advanced technologies into existing machinery is increasingly recognized as essential for maintaining competitive advantages and adapting to new industrial standards. This paper discusses a modular architecture named Smart Retrofit Solution, which was developed to upgrade legacy machinery cost-effectively. The proposed architecture supports a range of intelligent components, including hardware (devices and sensors) and software (programs and algorithms), which facilitate the integration process without requiring extensive customization. The design aims to enhance older systems performance, connectivity, and functionality, providing a scalable and economical solution for upgrades, particularly suitable for Small and Medium Enterprises. Despite the potential benefits, retrofitting presents challenges related to overcoming inherent design or material limitations of the existing systems. Furthermore, regulatory compliance after substantial modifications, introduces additional complexities and costs, leading to potential unnecessary expenditures. The provided analysis suggests that while retrofitting is often cost-effective in the short term, the decision to retrofit should consider both the immediate and long-term strategic benefits of adopting new technologies, considering the full spectrum of operational and regulatory impacts. This assessment supports the understanding of smart retrofitting as a strategic response to the demands of modernization in industrial contexts.

关键词： Technological innovation System performance software algorithms computer architecture software Hardware fourth Industrial Revolution Machinery Intelligent sensors Stress

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QoS allocation of multicast connections in ATM

QoS allocation of multicast connections in ATM

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IEEE International conference on Embedded and Real-Time Computing systems and Applications (RTCSA)

作者： June-Wei Chen Ren-Hung Hwang Sing-Ling Lee Advanced System Integration Laboratory Department of Computer Science and Information Engineering National Chung Cheng University Taiwan

ISBN: (纸本)0818680733

We study the resource allocation problem and call admission problem for multicast applications in ATM networks. Two approaches are proposed for dividing the end-to-end QoS requirement into the local QoS constraint on each link of the multicast tree. The first approach is to apply the greedy method to divide the end-to-end QoS based on the residual capacity on the links. In the second approach we show how to use a genetic algorithm to solve the QoS allocation problem. The effective bandwidth concept is used for estimating the amount of bandwidth required to guarantee a certain level of QoS on each link. If the end-to-end QoS cannot be guaranteed due to insufficient network resources, the multicast request is rejected (as a result of call admission). A new performance metric, fractional reward loss, is adopted for evaluating the solutions generated by the proposed two approaches. Our experiment results show that our approaches yield lower fractional reward loss and utilize the network resources more efficiently.

关键词： Quality of service Resource management Measurement Genetic algorithms Routing Biological cells Laboratories computer science Application software Bandwidth

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Maximum Attainable Phase Shift Angle in Practical Current Source Fed Semi-Active Rectifier

Maximum Attainable Phase Shift Angle in Practical Current So...

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Compatibility in Power Electronics (CPE)

作者： Andrey Vulfovich Pavel Strajnikov Alon Kuperman School of Electrical and Computer Engineering Ben-Gurion University of the Negev Be'er Sheba Israel

ISBN: (数字)9798350318265

ISBN: (纸本)9798350318272

Semi active rectifiers (SAR) have proven to be a solid middle ground in terms of performance, when compared to standard full bridge diode rectifiers and active rectifiers (AR), in matters of system complexity and efficiency. Phase shift control is often applied to these systems in cases when output regulation and or/load matching is required. This paper analyzes non-ideal SAR, considering voltage transients caused by parasitic capacitance of the lower leg transistors, in order to derive the maximum shift angle for which correct system operation is maintained. The analytical results are then solidified by a numerical example simulated in PSIM software.

关键词： Solid modeling Computational modeling systems operation Rectifiers Zero voltage switching Solids Delays

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Whiter (or wither) UIMS? 87

Whiter (or wither) UIMS?

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Proceedings of the SIGCHI/GI conference on Human Factors in Computing systems and Graphics Interface

作者： Dan R. Olsen, Jr. Mark Green Keith A. Lantz Andrew Schulert John L. Sibert Computer Science Department Brigham Young University Department of Computing Science University of Alberta Department of Computer Science Stanford University Apollo Computer Department of Electrical Engineering and Computer Science The George Washington University

ISBN: (纸本)9780897912136

The subject of User Interface Management systems (UIMS) has been a topic of research and debate for the last several years. The goal of such systems has been to automate the production of user interface software. The problem of building quality user interfaces within available resources is a very important one as the demand for new interactive programs grows. Prototype UIMSs have been built and some software packages are presently being marketed as such. Many papers have been published on the *** still, however, remain a number of unanswered questions. Is a UIMS an effective tool for building high quality user interfaces or is the run-time cost of abstracting out the user interface too high? Why are there not more UIMSs available and why are they not more frequently used? Is simple programmer productivity alone sufficient motivation for learning and adopting yet another programming tool? What is the difference, if any, between a “user interface toolbox”, a windowing system and a UIMS? What are the differences between a UIMS and the screen and editor generators found in fourth generation languages? In fact, exactly what is a UIMS?In order to discuss these questions and to reassess the state of the UIMS art, SIGGRAPH sponsored a workshop on these issues (proceedings will be published in computer Graphics in 1987). The panelists represent four subgroups who have each addressed these problems from different points of view.

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Analysis of Reed-Solomon coded frequency-hopping systems with non ideal interleaving in worst case partial band jamming

Analysis of Reed-Solomon coded frequency-hopping systems wit...

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MILCOM, Military Communications conference

作者： S. Laufer A. Reichman Communication Group Tadiran Limited Holon Israel

The interleaving span of coded frequency-hopped systems is often constrained to be smaller than the decoder memory length, i.e. nonideal interleaving is performed. Analysis of the performance of a hard-decision decoder and an erasure-control decoder of Reed-Solomon codes is presented, both for ideal and nonideal interleaving. The interference consists of worst-case partial-band noise jamming and thermal noise. The frequency hopping system considered uses orthogonal MFSK modulation and noncoherent demodulation with quality bit output based on Viterbi's ratio-threshold technique. Optimization of the ratio-threshold and the erasure-control parameters is performed in worst-case partial-band jamming, and the resulting performance for several interleaver spans is presented.< >

关键词： Reed-Solomon codes Interleaved codes computer aided software engineering Decoding Jamming Detectors Frequency shift keying Performance analysis Demodulation Additive white noise

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Self-Adaptive Optimization Techniques for Matrix Production systems

Self-Adaptive Optimization Techniques for Matrix Production ...

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IEEE International conference on Automation Science and engineering (CASE)

作者： Alexandre Sawczuk Da Silva Tim Knissel Gereon Weiss Fraunhofer Institute for Cognitive Systems IKS – Munich Germany

ISBN: (数字)9798350358513

ISBN: (纸本)9798350358520

The Industry 4.0 era has enabled the concept of Matrix Production systems, where products can be manufactured on demand by dynamically reconfiguring independent modules on the shop floor. This reconfiguration process, however, is not trivial, since certain possibilities incur much higher reconfiguration costs than others. To tackle this challenge, researchers have employed optimization techniques for identifying the best possible reconfiguration solutions. However, these approaches do not consider the self-adaptive nature of a manufacturing system, i.e., the need to re-optimize configurations when the order queue changes. To address this limitation, this paper focuses on the self-adaptive reconfiguration of Matrix Production System modules. Specifically, it proposes a genetic algorithm-based approach for self-adaptive reconfiguration, introducing the use of a solution archive mechanism. This approach is compared to an integer linear programming model, using a dataset that features dynamic updates to the queue of orders. Results show that the genetic algorithm-based approach generally has lower execution times than integer linear programming, though it does not converge to the global optimum.

关键词： Costs computer aided software engineering Integer linear programming fourth Industrial Revolution Dynamic programming Resource management Optimization Standards Genetic algorithms Manufacturing systems

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A rule-based model of computation for SystemC: integrating SystemC and Bluespec for co-design

A rule-based model of computation for SystemC: integrating S...

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ACM and IEEE International conference on Formal Methods and Models for Co-Design (MEMOCODE)

作者： H.D. Patel S.K. Shukla E. Mednick R.S. Nikhil Bradley Department of Electrical and Computer Engineering Virginia Technology Blacksburg VA USA Bluespec Waltham MA USA

Bluespec's rule-based model of computation (MoC) for hardware concurrency has gained attention for several reasons. From its basis in term rewriting systems, rules have the property of atomicity, which improves correctness by construction, particularly in large-scale concurrency with finegrained, dynamic resource sharing (typical in complex hardware). Rule-based interface methods extend atomicity across module boundaries, have a natural transactional reading, and precisely and formally characterize resource-sharing constraints. All this can be synthesized to hardware with competitive quality. SystemC expresses concurrency with threading and events, just like RTL, where it is difficult to deal with fine-grain concurrency and resource sharing. Further, there is no systematic methodology for module composition. Thus, while SystemC is suitable for very coarse modeling and for embedded software development, its limitations make it difficult to model correct by construction hardware systems accurately. In this paper, we show how to integrate Bluespec's rule-based MoC into SystemC. We augment SystemC modules with rules and rule-based interface methods, and augment the SystemC simulation kernel with a rule execution kernel. The integration is augmentative in that a model can contain both rule-based modules (where hardware accuracy is desired) as well as core SystemC or TLM modules (for embedded software, instruction-set simulators, existing SystemC IP, or pure behavioral models), thus providing the advantages of each MoC where appropriate

关键词： Computational modeling Object oriented modeling Concurrent computing Resource management Embedded software Kernel Hardware design languages Productivity Floors Large-scale systems

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Smart Bus Fleet Management System Using IoT

Smart Bus Fleet Management System Using IoT

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International conference on Emerging Research in Electronics, computer Science and Technology (ICERECT)

作者： Sandip Desai Ronak Suthar Vikaskumar Yadav Vaishnavi Ankar Vikas Gupta Department of Electronics and Telecommunication Engineering Yeshwantrao Chavan college of Engineering Nagpur India Department of Electronics Engineering Shri Ramdevbaba college of Engineering and Management Nagpur India

Resource and time management is very crucial in everyday living. To avoid economic loss, non-renewable resources, such as fuel, must be managed effectively. This problem must be addressed with a proper solution. A bus is a common method of transportation in everyday life that provides a low-cost way to go from point A to point B. But there are also some problems related to this, like often valuable time of passengers getting wasted waiting for their bus without knowing the bus's predicted arrival time and position, as well as also if we look at the management side, managing the fleet is itself a tedious task. Every bus fleet organization must assure the safety of its passengers, and a reliable and secure transportation service is required. The proposed system provides real-time data of a variety of vehicle features, including location, route, speed, passenger list, and driver compliance, schedule and more. In this system, we use the Raspberry Pi 3b+ to connect GPS, RFID, and PIR technologies to a Firebase server Cloud over WiFi. The vehicle's current geographic coordinates are determined using a Neo 6M GPS module. PIR sensor module is used to get a count of passengers in the vehicle. An RFID card Module is used to track passengers for fare calculation and with perspective of the safety and security of passengers. All the data from the used module is sent over the real-time database which we have used at firebase and the data can be accessed by the passengers, fleet manager, and the driver by using a website. A website is used to show all the data to the passengers and also to the fleet manager who is managing the bus and the drivers.

关键词： Databases Real-time systems Hardware software Safety Task analysis Wireless fidelity

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