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检索条件"主题词=Software Algorithms"

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Chasing Carbon: The Elusive Environmental Footprint of Computing

Chasing Carbon: The Elusive Environmental Footprint of Compu...

引用

IEEE Symposium on High-Performance Computer Architecture

作者： Udit Gupta Young Geun Kim Sylvia Lee Jordan Tse Hsien-Hsin S. Lee Gu-Yeon Wei David Brooks Carole-Jean Wu Harvard University Facebook Inc Arizona State University

Given recent algorithm, software, and hardware innovation, computing has enabled a plethora of new applications. As computing becomes increasingly ubiquitous, however, so does its environmental impact. This paper brings the issue to the attention of computer-systems researchers. Our analysis, built on industry-reported characterization, quantifies the environmental effects of computing in terms of carbon emissions. Broadly, carbon emissions have two sources: operational energy consumption, and hardware manufacturing and infrastructure. Although carbon emissions from the former are decreasing thanks to algorithmic, software, and hardware innovations that boost performance and power efficiency, the overall carbon footprint of computer systems continues to grow. This work quantifies the carbon output of computer systems to show that most emissions related to modern mobile and data-center equipment come from hardware manufacturing and infrastructure. We therefore outline future directions for minimizing the environmental impact of computing systems.

关键词： Technological innovation Energy consumption software algorithms Carbon dioxide Computer architecture Hardware software

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A self-learning multiple-class classifier using multi-dimensional quasi-Gaussian analog circuits

A self-learning multiple-class classifier using multi-dimens...

引用

IEEE International Symposium on Circuits and Systems (ISCAS)

作者： Zhuoli Sun Kyunghee Kang Tadashi Shibata Department of Electrical Engineering and Information Systems University of Tokyo Tokyo Japan

A hardware-implementation-friendly classifier architecture having self-learning function has been developed for multiple-class classification. The similarity between two vectors is evaluated using a quasi Gaussian function which has been implemented by the summation of output currents from simple bump circuits. Binary weights are assigned to sample vectors and their values are determined by iteration similar to the SVM learning but in much simpler a way. Only one classifier is sufficient for N-class classification in contrast to N(N-1)/2 classifiers necessary in the SVM. The performances of the algorithm and circuits have been verified by software and SPICE simulations.

关键词： Analog circuits Support vector machines Support vector machine classification Circuit simulation Application software Hardware software algorithms Pattern recognition Speech recognition Statistical learning

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A Safe Vehicle Routing System based on Road Characteristics from Telematics Data

A Safe Vehicle Routing System based on Road Characteristics ...

引用

IEEE Annual International Computer software and Applications Conference (COMPSAC)

作者： Hiroshi Tei Tomoya Kawakami Yoshimi Kawamoto Graduate School of Engineering University of Fukui Fukui Japan

ISBN: (数字)9798350376968

ISBN: (纸本)9798350376975

In recent years, the rapid growth of the logistics and delivery industry has increased the demand for safe and efficient delivery planning. However, conventional navigation services do not take road and driver characteristics into account and recommend the same delivery route to every delivery person under the same settings. In this paper, the authors propose a safe and efficient delivery plan based on road characteristics by considering the risk and distance of each road segment estimated using telematics data. First, the proposed method uses clustering to determine the destinations to be handled by delivery personnel, and then uses a genetic algorithm to determine the route and order of delivery. The proposed method was simulated on two different road networks to evaluate its usefulness. The simulation results show that the proposed method can develop a delivery plan that satisfies the specific conditions and needs of delivery personnel and considers both safety and efficiency.

关键词： Roads Simulation Vehicle routing software algorithms Telematics software Safety

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Subjective Answer Grader using Semantic Similarity and Keyword Matching

Subjective Answer Grader using Semantic Similarity and Keywo...

引用

International Conference for Convergence of Technology (I2CT)

作者： Sanchit Kripalani Tejas Lipare Dipali Kadam Department of Computer Engineering Pune Institute of Computer Technology Pune India

ISBN: (数字)9798350394474

ISBN: (纸本)9798350394481

Subjective exams and tests have been a staple metric of student evaluation. These tests require students to give brief theoretical responses to the questions. Evaluation of subjective responses is based on the presence of certain facts, keywords, phrases that need to be mentioned. Traditional assessment of these tests requires an examiner to affirm the understanding of concepts by students through their answers. The human-dependant evaluation, however, is tedious, time consuming and is rarely impartial. The time constraints often mean that the examiner is unable to provide a detailed feedback to each and every student. This calls for the need to develop an objective automated grader system, which can investigate and analyze the student performances by considering different facets of learning based on semantic similarity. The enhanced BERT model, which has been fine-tuned, is utilized to capture the semantic characteristics found in the student’s response. In order to achieve this, the model compares the student’s response with the model answer and generates a model score based on the comparison. This model score is boosted through a keyword matching algorithm, which emphasizes the factual information contained within the student’s response. These final similarity scores are employed to offer comprehensive feedback that illuminates the specific areas in which the student’s comprehension may be lacking. Finally, the proposed approach is compared to other renowned algorithms like Cosine Similarity, Word Mover’s Distance, Paraphrase-mpnet, and Multi-qa-mpnet. The proposed system yields an experimental Mean Absolute Error (MAE) of 2.11, which is significantly better as compared to other algorithms.

关键词： Measurement Flowcharts software algorithms Semantics Taxonomy Prediction algorithms software

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A comparative performance analysis for the computer arithmetic based fast division algorithms

A comparative performance analysis for the computer arithmet...

引用

IEEE Signal Processing and Communications Applications (SIU)

作者： M. Erdem Isenkul Istanbul Universitesi Fatih Istanbul TR

In this study, base-2 computer arithmetic procedures are developed for the analyzing of fast division algorithms; Non- Restoring Division, SRT division and Division by Multiplication algorithms. For this purpose, those algorithms have been developed in MATLAB software simulation platform to compare the performance of the three division method. Depending on the number of bits used in simulation, memory space (A), the number of transactions (I) and the algorithms executed by the CPU processing time (T) criteria were used in the analyzing. As a result of our comparisons, division by multiplication algorithm had achieved better in those three criterias.

关键词： Algorithm design and analysis Digital arithmetic software algorithms MATLAB Reactive power Computational modeling Performance analysis

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Towards a Mobile Robot Localization Benchmark with Challenging Sensordata in an Industrial Environment

Towards a Mobile Robot Localization Benchmark with Challengi...

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International Conference on Advanced Robotics (ICAR)

作者： Florian Spieß Jonas Friesslich Daniel Bluemm Fabio Mast Dmitrij Vinokour Samuel Kounev Tobias Kaupp Norbert Strobel University of Applied Sciences Wuerzburg-Schweinfurt Friedrich-Alexander-Universit&#x00E4 t Erlangen-N&#x00FC rnberg Faculty of Mathematics and Computer Science Julius-Maximilians-University of Wuerzburg Institute Digital Engineering (IDEE) University of Applied Sciences Wuerzburg-Schweinfurt Institute of Medical Engineering University of Applied Sciences Wuerzburg-Schweinfurt

ISBN: (数字)9781665436847

ISBN: (纸本)9781665436854

To arrive at a realistic assessment of localization methods in terms of their performance in an industrial environment under various challenging conditions, we provide a benchmark to evaluate algorithms both for individual components as well as multi-sensor systems. For several sensor types, including wheel odometry, RGB cameras, RGB-D cameras, and LIDAR, potential issues were identified. The accuracy of wheel odometry, for example, when there are bumps on the track. For each sensor type, we explicitly chose a track for the benchmark dataset containing situations where the sensor fails to provide adequate measurements. Based on the acquired sensor data, localization can be achieved either using a single sensor information or sensor fusion. To help evaluate the output of associated localization algorithms, we provide a software to evaluate a set of metrics as part of the paper. An example application of the benchmark with state-of-the-art algorithms for each sensor is also provided.

关键词： Location awareness Service robots software algorithms Wheels Benchmark testing Sensor fusion Robot sensing systems

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Semi-automatic Scoring Tool for Comet Assay

Semi-automatic Scoring Tool for Comet Assay

引用

IEEE International Conference on Bioinformatics and Bioengineering

作者： Erhan Kiziltan Erkan Yurtcu Baskent University Faculty of Medicine Department of Physiology Baskent University Faculty of Medicine Department of Medical Biology

ISBN: (纸本)9781467379847

Comet assay or single-cell gel electrophoresis is a widely used method for DNA damage assessment. The results of the method can be scored under microscopic examination either with the naked eye or automated systems. In this study, we present a semi-automatic comet assay analysis tool that was developed in our laboratory. The results obtained with our tool were compared with that of fully automatic shareware software. The preliminary results suggest that the presented semi-automatic software is an accurate and reliable tool for evaluation of comet assay.

关键词： DNA software Head Image segmentation Image analysis software algorithms Algorithm design and analysis

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Development of Network Analyzer Sharing System with Multi-User Access

Development of Network Analyzer Sharing System with Multi-Us...

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International Conference on Information Technology and Electrical Engineering (ICITEE)

作者： SungTae Hwang Janghoon Jeong Jongsik Lim Jae-Bok Lee Dal Ahn Seong-Ho Son Department of ICT Convergence Soonchunhyang University Asan Republic of Korea Erangtec Hwaseong Republic of Korea

ISBN: (数字)9798350375817

ISBN: (纸本)9798350375824

We presented a network analyzer sharing system that allows multiple user to access a single vector network analyzer. The system consists of hardware that is switching module to extend two-port VNA into multiple ports and software that distributes measurement signals eight port. The hardware uses SP4T switches to simplify the system. The software uses an automatic channel switching time setting algorithm to prevent signal distortion or abnormal signals. To validate this system, we conducted an experiment measuring a device under test. Experimental results validate the measurement performance of the sharing system.

关键词： software algorithms Network analyzers Switches Insertion loss Hardware software Vectors Time measurement Distortion measurement software measurement

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Mining Library Migration Graphs

Mining Library Migration Graphs

引用

Working Conference on Reverse Engineering

作者： Cédric Teyton Jean-Rémy Falleri Xavier Blanc LaBRI UMR 5800 University of Bordeaux Talence France

software systems intensively depend on external libraries, chosen at conception time. However, relevance of any library irremediably changes during projects and/or library life cycle. As a consequence, projects developers must periodically reconsider the libraries they depend on, and must think about library migration. When they want to migrate their libraries, they then have to identify candidate libraries that offer similar facilities and thus can substitute to each other. They also have to compare candidates to choose the one that best fits their needs. Finding a relevant library replacement is a well known tedious and time-consuming task. In this paper, we propose an approach that identifies sets of similar libraries and that produces what we call library migration graphs that show how existing projects have performed migrations among them. These graphs, constructed from the observation of a large number of software projects, ease the discovery and selection of library replacements.

关键词： Libraries software Google Manuals Data mining software algorithms Search engines

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An efficient Euclidean algorithm for Reed-Solomon code to correct both errors and erasures

An efficient Euclidean algorithm for Reed-Solomon code to co...

引用

IEEE Pacific Rim Conference on Communications, Computers and Signal Processing

作者： Y.W. Chang J.H. Jeng T.K. Truong College of Electrical and Information Engine Cnn I-Shou University Kaohsiung Taiwan Department of Information Engineerin I-Shou University Kaohsiung Taiwan

In this paper, an efficient Euclidean decoding algorithm is presented to solve the Berlekamp's key equation of Reed-Solomon (RS) code for correcting erasures as well as errors by replacing the initial condition of the Euclidean algorithm with the erasure locator polynomial and the Forney syndrome polynomial. By this proposed algorithm, the errata locator polynomial and errata evaluator polynomial can be obtained simultaneously without the computations of polynomial division and field element inversion. Moreover, the whole recursive decoding produce for solving Berlekamp's key equation could be performed with a fixed number of iterations. And, the weights used to reduce the degree of the errata evaluator polynomial at each iteration can be extracted from the coefficient of fixed degree. As a consequence, the complexity of RS decoder to correct both errors and erasures is reduced substantially. Therefore, this proposed algorithm provides more modular, regular and simple for both software and hardware implementation. An example using this proposed algorithm is given for a (255,239) RS code for correcting erasures and errors with s + 2v /spl les/ 16.

关键词： Reed-Solomon codes Error correction codes Polynomials Equations Iterative decoding Hardware Error correction software algorithms Space vehicles Satellite communication

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