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检索条件"主题词=software algorithms"

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Redactable blockchain based on double-trapdoor chameleon hash family in private chain environment

Redactable blockchain based on double-trapdoor chameleon has...

引用

2025 2nd International Conference on algorithms, software Engineering and Network Security (ASENS)

作者： Boyang Zuo School of Cyberspace Security Xi'an University of Posts & Telecommunications Xi'an China

ISBN: (数字)9798331520298

ISBN: (纸本)9798331520304

The article proposes a redactable blockchain scheme based on the double-trapdoor chameleon hash family in a private chain environment to solve the key exposure problem that exists in the original chameleon hash as well as the high computational cost and storage cost caused by the need to compute the hash value multiple times when modifying the data on the chain. Compared with the original scheme, the scheme uses the double-trapdoor chameleon hash family that possess both one-time trapdoor and long-term trapdoor, making it impossible for an attacker to recover the long-term key through multiple known collisions and improving security. In terms of data modification, block administrators with trapdoor keys do not need to regenerate the hash value when modifying data, which reduces the computation and storage overhead and is friendly to users with limited resources. The system architecture based on the discrete logarithm problem has also been shown to be secure in previous literature. The final performance analysis surfaces that the proposed scheme has good efficiency and performance compared to the original scheme.

关键词： Costs software algorithms Systems architecture Network security Blockchains Computational efficiency Performance analysis software engineering

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Model for Endometriosis Detection Using Machine Learning algorithms

Model for Endometriosis Detection Using Machine Learning Alg...

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software Engineering and Computer Science (CSECS), International Conference on

作者： Alexis Bautista Jahir Tardillo José Luis Castillo-Sequera Lenis Wong Information Systems Engineering Program Universidad Peruana de Ciencias Aplicadas Lima Peru Department of Computer Science Universidad de Alcalá Alcalá de Henares Spain

ISBN: (数字)9798331522216

ISBN: (纸本)9798331522223

Endometriosis is a chronic disease that affects a considerable percentage of women of reproductive age and is characterized by the presence of endometrial tissue outside the uterine cavity, leading to symptoms such as pelvic pain and dysmenorrhea. The aim of this study is to develop a predictive model for the classification of endometriosis using four Machine Learning algorithms: Random Forest, LASSO, SVM, and Naive Bayes. For this purpose, a dataset from the Global Health Data Exchange was utilized, consisting of 1,000 cases of patients with endometriosis. The methodology included data cleaning and preprocessing, as well as the evaluation of each algorithm's performance using four metrics: precision, recall, F1-Score, and accuracy. The findings revealed that the Random Forest algorithm was the most effective in identifying endometriosis, outperforming the other algorithms with a precision of 0.99 for the “endometriosis” class and an overall accuracy of 0.98.

关键词： Support vector machines Measurement Training Machine learning algorithms Accuracy software algorithms Predictive models Bayes methods Random forests software engineering

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LMSR: A Low-Jitter Multiple Slots Routing Algorithm in LEO Satellite Networks

LMSR: A Low-Jitter Multiple Slots Routing Algorithm in LEO S...

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IEEE Conference on Wireless Communications and Networking

作者： Shiran Sun Ran Zhang Kai Liu Zekun Sun Qinqin Tang Tao Huang State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing China Purple Mountain Laboratories Nanjing China State Key Laboratory of Space Network and Communications Tsinghua University Beijing China Beijing National Research Center for Information Science and Technology (BNRist) Tsinghua University Beijing China

ISBN: (数字)9798350368369

ISBN: (纸本)9798350368376

In recent years, Low Earth Orbit (LEO) constellation based networks have attracted wide attention from both the academia and the industry. Broadband access and backhaul becomes a typical application for LEO satellite networks. However, the high-speed motion of satellites brings periodic fluctuation of delays, which is a great violation to the Quality of Service (QoS) provisioning. In this work, inspired by the success of software Defined Networking (SDN), and considering the dynamics of LEO satellite networks, we propose a low-jitter multiple slots routing in LEO satellite networks to provide low-jitter end-to-end delay path computing and control. The proposed multiple slots routing optimization mechanism takes account of the topology shift as well as the dynamic propagation delay across multiple topology snapshots, and thus achieves low-jitter performance. The performance improvement of the proposed mechanism is validated by the simulation, which promises the value of jitter under 30 ms.

关键词： Satellites Network topology software algorithms Low earth orbit satellites Quality of service Jitter Routing Delays Topology software defined networking

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Evaluation of Combined Availability Prediction Methods for Multicarrier Microwave Links

Evaluation of Combined Availability Prediction Methods for M...

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European Conference on Antennas and Propagation, EuCAP

作者： Antons Bezdels Emmanuel Alejandro Merchan-Cruz (Telecommunications): SAF Tehnika Riga Latvia (Robotics and Heuristic Optimization): Transport and Telecommunication Institute Riga Latvia

ISBN: (数字)9788831299107

ISBN: (纸本)9798350366327

Nowadays, microwave backhaul can reliably provide several gigabits of capacity, in many cases due to the aggregation of multiple parallel links working at different frequencies. The combination of the E-band (80 GHz) and traditional microwave (MW) bands like 6 or 18 GHz is a commonly adopted solution in the industry. While the former band is used for high-density metropolitan applications by combining large capacity and high spectral efficiency at low spectrum costs, the latter is key to deployment in suburban areas. Multicarrier backhaul solutions are essential for backhaul evolution, especially to meet the capacity needs of 5G and beyond over the next 10 years [1]. While the availability prediction methods for a single carrier link are well-known and widely applied for link budget calculations, the method for estimating the availability of the multicarrier system's combined throughput (or simply the combined availability) needs to be developed. Current ITU recommendations have limited application in this latter case. Additionally, there exist software-based tools (like Pathloss 6) that use their own techniques to evaluate the outage relation between different carriers. The original research forming the basis for this article uses experimental data, obtained by performance monitoring of a multicarrier (dual-band or using 18 GHz and 80 GHz bands) test link over a period of 6 months, for actual combined availability estimation. The purpose of this article is to compare the obtained results with software simulation output based on ITU recommendations, as well as to evaluate the theoretical approach to combined availability calculation of a multicarrier link. The results showed a correlation between experimental and theoretical approaches, as well as between different algorithms of ITU-based theoretical approach, which will be discussed herein.

关键词： Fading channels Atmospheric modeling software algorithms Estimation Throughput Microwave theory and techniques software ITU Monitoring Backhaul networks

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Development of a Method for Consolidating Orders in Large Logistics Centers

Development of a Method for Consolidating Orders in Large Lo...

引用

International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)

作者： Si Thu Thant Sin E. M. Portnov A. V. Potapov Institute of System and Software Engineering and Information Technologies National Research University MIET Zelenograd Moscow Russia

ISBN: (数字)9798331512194

ISBN: (纸本)9798331512200

This paper is devoted to the study and development of a method for consolidating orders in warehouses and fulfillment centers in which orders are stored and picked in the field of e-commerce. Fulfillment is the process of performing all operations related to order processing, inventory management, storage, picking, packaging, and delivery of goods to the final recipient. Optimizing and improving the efficiency of fulfillment operations is an important task. Successful logistics and efficient use of warehouse space have become cornerstones for successful companies. They play a key role in the logistics processes of ecommerce companies and are an indispensable link in the supply chain. A method for calculating algorithms for building a consolidation route based on solving two problems: the backpack problem and the traveling salesman problem is presented. The formalization of the task of building a route for the assembly of orders, the development of an algorithm and methodology for solving the problem are carried out. And the software implementation of the algorithm, its testing and comparison of the effectiveness of the obtained algorithm were carried out. A software implementation of tests for input data and interpretation of test results has been developed.

关键词： Greedy algorithms software algorithms Buildings Companies Traveling salesman problems Containers software Filling Electronic commerce Backpacks

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Image Compression Based on Direction-Invariant Block Discrete Transform

Image Compression Based on Direction-Invariant Block Discret...

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Digital Signal Processing and its Applications (DSPA), International Conference on

作者： A. Shoberg Graduate School of Cybernetics and Digital Technologies Pacific National University PNU Khabarovsk Russia

ISBN: (数字)9798331518752

ISBN: (纸本)9798331518769

Based on the original developed models for performing block transforms described in previous own works, the dependences of the results of image comparison in the frequency domain using a two-dimensional cosine basis were obtained. A structure for the algorithm has been proposed, based on the image compression algorithm using DCT, with modifications to the transform. The traditional block transform has been replaced with a modified version according to the described scheme. This further entails a series of changes in the arrangement of the transform results, modifications to the quantization table, and the execution of the zigzag operation. During reconstruction, processing in the frequency domain with elements of invariance to rotations and mirror reflections is possible. Simulation has been conducted on several image databases, yielding comparison results based on the correlation coefficient with templates using a set of frequency components. software implementing the compression algorithm has been developed, and key performance characteristics have been obtained and compared with the traditional algorithm. The computational complexity did not increase during implementation, confirming the theoretical developments.

关键词： Correlation coefficient Image coding Quantization (signal) Image databases Frequency-domain analysis software algorithms Signal processing algorithms Reflection software Mirrors

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SlidEar: Exploring eSense in-Ear Wearable for Voice-Assisted Smart Slide Supervision

SlidEar: Exploring eSense in-Ear Wearable for Voice-Assisted...

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International Communication Systems and Networks and Workshops, COMSNETS

作者： Susmita Mondal Sameeran Ravishankar Zingre Suchetana Chakraborty Department of Computer Science and Engineering Indian Institute of Technology Jodhpur

ISBN: (数字)9798331531195

ISBN: (纸本)9798331531201

In corporate settings, conferences, or classrooms, an orator relies on manual slide transitions, which can disrupt their presentation flow. Presentation devices can be inaccessible due to the physical limitations of individuals, reducing engagement with the audience. Traditionally used remote-controlled wireless presenters are hand-held devices that usually require a compatible connector slot for the presentation device and partially engage one hand of the orator. To ease the hand-free presentation of slides, we introduce SlidEar, a voice-assisted smart slide supervision successfully tested on eSense in-ear wearables. SlidEar leverages voice recognition fusion with wearable sensors to facilitate seamless slide operations. It allows real-time feedback on natural language commands during the presentation of slides. Compared with conventional methods, SlidEar enhances engagement and accessibility through hand-free in-ear placement and helps the orator focus on delivering their content without any disruption or distraction. The evaluation shows promising results that improve the presentation experience profusion. SlidEar significantly reduces errors and can be widely adopted in diverse presentation scenarios.

关键词： Wireless communication Wireless sensor networks software algorithms Systems architecture Speech recognition Sensor fusion software Wearable devices Wearable sensors Smart phones

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Voltage Control of Standalone Inverter-Interfaced Renewable Energy Resources Using an Adaptive Sliding Mode Control with Optimized PID Sliding Surface

Voltage Control of Standalone Inverter-Interfaced Renewable ...

引用

Power Electronic and Drive Systems and Technologies Conference (PEDSTC)

作者： Moslem Dehghani Mokhtar Aly Jose Rodriguez Ebrahim Shojaeipor Seyyed Mohammad Bornapour Mohammad Mehdi Ghanbarian Facultad de Ingeniería Arquitectura y Diseño Universidad San Sebastián Bellavista 7 Santiago Chile Department of Electrical Engineering Islamic Azad University Kazeroon Branch Kazeroon Iran Electrical Engineering Department Faculty of Engineering Yasouj University Yasouj Iran

ISBN: (数字)9798331533946

ISBN: (纸本)9798331533953

In this paper, a robust adaptive Sliding Mode Controller (SMC) with an optimized Proportional-IntegralDerivative (PID) sliding surface has been proposed to control the voltage and frequency of standalone inverter-interfaced renewable energy resources. The suggested controller improves the tracking performance in order to tend the tracking error to zero, and also rejects the uncertainties and disturbances. The adaption law, which is derived from the Lyapunov theory, improves the controller performance under uncertainties and unknown parameters, such as variations in input DC link and different kinds of loads (linear and non-linear loads). Also, the chattering issue in first-order SMC is eliminated by using the second-order SMC with a PID sliding surface. In addition, an improved particle swarm optimization algorithm has been used to optimize and extract the controller variables. The suggested controller improves the total harmonic disturbances, output voltage peak, root-mean-square, and tracking error in comparison to the other controllers, such as SMC and backstepping controller. The efficiency of the proposed controller is verified by simulation in Matlab software package.

关键词： Renewable energy sources Uncertainty software packages Simulation software algorithms Voltage control Particle swarm optimization Frequency control Sliding mode control Uninterruptible power systems

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Research on a lightweight identity authentication scheme for drones based on blockchain technology

Research on a lightweight identity authentication scheme for...

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2025 2nd International Conference on algorithms, software Engineering and Network Security (ASENS)

作者： Yang Wu Information and Communication Department Officers College of PAP Chengdu China

ISBN: (数字)9798331520298

ISBN: (纸本)9798331520304

With the widespread application of drones in military, logistics, agriculture and other fields, their security issues have become increasingly prominent, especially the reliability and efficiency of identity authentication have become key challenges. This article proposes a drone identity authentication and key negotiation scheme based on blockchain technology, aiming to solve the problems of single point of failure, high computational overhead, and easy leakage of secrets in physical capture that exist in traditional authentication methods. This scheme combines the distributed ledger and smart contract technology of blockchain to design an efficient and secure two-way authentication mechanism, and generates three session keys through one authentication, achieving efficient key negotiation. Compared with existing lightweight identity authentication and key negotiation schemes for drones, this scheme significantly improves authentication efficiency while ensuring security, making it suitable for large-scale drone swarm application environments with strong real-time performance and insufficient computing resources.

关键词： Distributed ledger Smart contracts software algorithms Authentication Network security Real-time systems Blockchains Reliability Drones software engineering

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Efficient SAT-Based Bounded Model Checking of Evolving Systems

Efficient SAT-Based Bounded Model Checking of Evolving Syste...

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Design, Automation and Test in Europe Conference and Exhibition

作者： Sophie Andrews Matthew Sotoudeh Clark Barrett Stanford University

ISBN: (数字)9783982674100

ISBN: (纸本)9798331534646

SAT-based verification is a common technique used by industry practitioners to find bugs in computer systems. However, these systems are rarely designed in a single step: instead, designers repeatedly make small modifications, reverifying after each change. With current tools, this reverification step takes as long as a full, from-scratch verification, even if the design has only been modified slightly. We propose a novel SAT-based verification technique that performs significantly better than the naïve approach in the setting of evolving systems. The key idea is to reuse information learned during the verification of earlier versions of the system to speed up the verification of later versions. We instantiate our technique in a bounded model checking tool for SystemVerilog code and apply it to a new benchmark set based on real edit history for a set of open source RISC-V cores. This new benchmark set is now publicly available for further research on verification of evolving systems. Our tool, PrediCore, significantly improves the time required to verify properties on later versions of the cores compared to the current state-of-the-art, verify-from-scratch approach.

关键词： Industries software algorithms Computer bugs Europe Model checking Benchmark testing Prediction algorithms Hardware software History

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