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25th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER)

作者： Dorninger, Bernhard Moser, Michael Kern, Albin Software Competence Ctr Hagenberg Hagenberg Im Muhlkreis Austria ENGEL Austria GmbH St Valentin Austria

ISBN: (纸本)9781538649695

Human Machine Interfaces (HMI) play a pivotal role in operating industrial machines. Depending on the extension of a manufacturers domain and the range of its machines as well as the possible options and variants, the ensuing HMI component repository may become substantially large, resulting in significant maintenance requirements and subsequent cost. A combination of cost pressure and other factors, such as significant change of requirements, may then call for a substantial reengineering. A viable alternative to manually reengineering the whole HMI framework might be the use of (semi)-automated reengineering techniques for suitable parts. We describe such a model based reengineering procedure relying on static analysis of the existing source code for suited aspects of a large HMI framework. We will sketch our overall approach including the objectives and highlight some important challenges of transforming HMI component information extracted from source code into a representation developed for the completely redesigned HMI infrastructure in the light of an existing product assembly and configuration process at a large machinery manufacturer.

关键词： Maintenance engineering Task analysis Data mining Software systems Standards java Human machine interaction Maintenance engineering task analysis Software systems data mining java java programming language Source code machine maintenance requirements

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Syntax and Sensibility: Using language Models to Detect and Correct Syntax Errors 25

Syntax and <i>Sensibility</i>: Using Language Models to Dete...

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25th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER)

作者： Santos, Eddie Antonio Campbell, Joshua Charles Patel, Dhvani Hindle, Abram Amaral, Jose Nelson Univ Alberta Dept Comp Sci Edmonton AB Canada

ISBN: (纸本)9781538649695

Syntax errors are made by novice and experienced programmers alike;however, novice programmers lack the years of experience that help them quickly resolve these frustrating errors. Standard LR parsers are of little help, typically resolving syntax errors and their precise location poorly. We propose a methodology that locates where syntax errors occur, and suggests possible changes to the token stream that can fix the error identified. This methodology finds syntax errors by using language models trained on correct source code to find tokens that seem out of place. Fixes are synthesized by consulting the language models to determine what tokens are more likely at the estimated error location. We compare n-gram and LSTM (long short-term memory) language models for this task, each trained on a large corpus of java code collected from GitHub. Unlike prior work, our methodology does not rely that the problem source code comes from the same domain as the training data. We evaluated against a repository of real student mistakes. Our tools are able to find a syntactically-valid fix within its top2 suggestions, often producing the exact fix that the student used to resolve the error. The results show that this tool and methodology can locate and suggest corrections for syntax errors. Our methodology is of practical use to all programmers, but will be especially useful to novices frustrated with incomprehensible syntax errors.

关键词： Syntactics java Machine learning Tools Recurrent neural networks Semantics syntax modelling languages token recurrent neural nets java java programming language Semantics Computer personnel

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LICCA: A Tool for Cross-language Clone Detection 25

LICCA: A Tool for Cross-Language Clone Detection

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25th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER)

作者： Vislayski, Tijana Rakic, Gordana Cardozo, Nicolas Budimac, Zoran Univ Novi Sad Fac Sci Novi Sad Serbia Univ Los Andes Syst & Comp Engn Dept Bogota Colombia

ISBN: (纸本)9781538649695

Code clones mostly have been proven harmful for the development and maintenance of software systems, leading to code deterioration and an increase in bugs as the system evolves. Modern software systems are composed of several components, incorporating multiple technologies in their development. In such systems, it is common to replicate (parts of) functionality across the different components, potentially in a different programming language. Effect of these duplicates is more acute, as their identification becomes more challenging. This paper presents LICCA, a tool for the identification of duplicate code fragments across multiple languages. LICCA is integrated with the SSQSA platform and relies on its high-level representation of code in which it is possible to extract syntactic and semantic characteristics of code fragments positing full cross-language clone detection. LICCA is on a technology development level. We demonstrate its potential by adopting a set of cloning scenarios, extended and rewritten in five characteristic languages: java, C, javaScript, Modula-2 and Scheme.

关键词： Cloning Tools Syntactics Semantics Maintenance engineering Software systems java Software systems Maintenance engineering Semantics java java programming language Cloning Codes Clone Cells syntax semiotics

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Multi-threaded Approach to Software High-speed Algorithms for Spectral Analysis of Multi-component Signals

Multi-threaded Approach to Software High-speed Algorithms fo...

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International Conference on Complex Systems: Control and Modeling Problems (CSCMP)

作者： Vladimir Yakimov Borislav Zaberzhinskij Andrey Mashkov Yuliya Bukanova Samara State Technical University Samara Russia

ISBN: (纸本)9781728167015

The article discusses the development of specialized software measuring-computing system, designed to operational spectral analysis of multicomponent signals based on data processing, obtained by simulating the procedure of binary sign-function quantization. The need to create specialized software measuring-computing system that implements the evaluation of the spectral components of multicomponent processes is caused by the fact that existing proprietary software products either have redundant functionality to solve highly specialized tasks or do not provide the necessary flexibility in the provision, support and modification of libraries that meet specific requirements. The software structure consists of the following main software components: a module for visualization of measurement data, a module for implementing the algorithm for spectral analysis of multicomponent signals, and a data processing converter between the user interface and the module for implementing algorithms. The graphical user interface is implemented using the high-tech integrated development environment Intellij IDEA in the java 8 multi-platform programming language, which allows extending the functionality of the measurement system. The modules of the metrologically significant part of the software that perform the functions of processing, storing and transmitting measurement data and spectral analysis results are implemented in the resource efficient C ++ 17 language. The use of C ++ provided an opportunity to apply a multi-threaded programming approach in order to improve the performance of the procedures for calculating spectral estimates. Using the mechanism of multithreaded algorithm execution, it became possible to parallelize processor calculations and input-output operations and, as a result, reduce the computational costs of obtaining estimates of the time-frequency characteristics of signals by introducing alternation mechanisms for performing various weakly interconnected subtask

关键词： computerised instrumentation graphical user interfaces java multi-threading public domain software spectral analysis stochastic processes user interfaces Spectrum Analysis Multithreading User Interface Device Component open source software computerised instrumentation graphical user interfaces java java programming language Markov chain signals frequency characteristic computer software measurement data software implementation computer programs

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Understanding Hadoop Framework Through Single-Node Cluster Installation

Understanding Hadoop Framework Through Single-Node Cluster I...

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International Conference on Recent Advances in Energy-efficient Computing and Communication (ICRAECC)

作者： V. G. Anisha Gnana Vincy T. Karthija J. Sunil Assistant Professor Department of Computer Science and Engineering V V College of Engineeing Tisaiyanvilai India Assistant Professor Department of Mechanical Engineering V V College of Engineeing Tisaiyanvilai India

ISBN: (纸本)9781538694831

Hadoop is a java-based open source programming model that becomes a pillar in recent distributed computing by providing massive storage and multiprocessing of data. Hadoop becomes a simple and easy to implement programming model through the usage of commodity hardware. Hadoop open-source became a foundation for massive parallel processing of big data which includes scientific analytics, e-commerce data and sales planning, and processing enormous volumes of sensor from various sensors. Since Hadoop plays vital role in distributed parallel processing of big data, it is good to know the technical details behind the hadoop framework. This paper focus on detailing the necessary steps for the successful implementation of a Hadoop single-node cluster in a individual computer which provide a foundation for the new hadoop users.

关键词： Big Data java parallel processing public domain software storage management PARALLEL PROCESSING (COMPUTERS) big data open source software Store management java java programming language Sensors

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HDFjavaIO: A java library for reading and writing Octave HDF files 9

HDFJavaIO: A Java library for reading and writing Octave HDF...

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9th Annual IEEE Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON)

作者： Royer, Mark E. Chawathe, Sudarshan S. Univ Maine Sch Comp & Informat Sci Orono ME 04469 USA

ISBN: (纸本)9781538676936

Scientific java programs often need to interact with specialized programming environments, such as Octave and Matlab, that focus on numerical computations. This paper presents the HDFjavaIO library that allows java programs to interact with Octave using Hierarchical Data Format 5 (HDF5) files, which are commonly used in the scientific community for working with large data sets. Because features of HDF5 files include almost all of the features of NetCDF, this library and method may also be used to create data files that can be used with NCL scripts and other applications that use these largedata formats without the need for further modifications by java application developers. This paper presents the relevant details of the Octave HDF5 file format and the java techniques used to build the data interchange library. It also presents the results of an experimental analysis of the library's performance and its comparison to existing approaches.

关键词： java programming language

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Detecting Forged Images - a Robust java Implementation Algorithm 10

Detecting Forged Images - a Robust Java Implementation Algor...

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10th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)

作者： Radulescu, Gabriel Dumitru, Ileana Petr Gas Univ Automat Control Comp & Elect Dept Ploiesti Romania Petr Gas Univ Cybernet Econ Informat Finance & Accountancy Dept Ploiesti Romania

ISBN: (纸本)9781538649015

Image manipulation represents a true "art", which takes into account the images with a lot of their properties. There are many ways a digital photo can be manipulated, so the forger can use one or more combinations of these in order to make their detection more difficult. On the other hand, only one detection technique is specific to a single image manipulation. For instance, a duplication detection method is based on an existing correlation between the segment of the original image and the copied image. This paper presents a robust java implementation of an algorithm detecting such a Copy-Move forged pictures.

关键词： image forgery robust detection algorithms segment correlation java programming language

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The Design of Game Platform Based on java 2

The Design of Game Platform Based on Java

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2nd International Conference on Artificial Intelligence Applications and Technologies (AIAAT)

作者： Tong Qiang Zhou Xiaofeng Liang Likai Yao Sheng Wang Han Shandong Univ Weihai Sch Mech Elect & Informat Engn Weihai 264209 Peoples R China Weihai Vocat Coll Dept Elect Mech Engn Weihai 264210 Peoples R China

In the face of rich game resources, it is necessary to have a good tool to manage games and improve the user's game experience. This is the meaning of the game platform. The game platform described in this paper adopts java technology, and uses C/S mode and My SQL database to complete the design of the platform. This game platform has the functions of login module, management module and so on. Through the platform, it can realize jigsaw puzzle, Snake game and real-time battle of LAN tank war game. The paper describes in detail the early preparation, overall design, specific implementation and functional testing of the game platform. All functions of the platform can be used normally, the game can also run normally under the rules, which has completed the requirements.

关键词： java programming language

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SMS Security System on Mobile Devices Using Tiny Encryption Algorithm

SMS Security System on Mobile Devices Using Tiny Encryption ...

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International Conference on Mechanical, Electronics, Computer, and Industrial Technology (MECnIT)

作者： Novelan, M. S. Husein, A. M. Harahap, M. Aisyah, S. Univ Prima Indonesia Fac Technol & Comp Sci Medan Indonesia

The development of telecommunications technology is so rapid has given such great benefits. With the telecommunication technology, distance and time no longer be a significant obstacle. One of the results of telecommunications technology that is well known is the Short Message Service. In this study developed an application on the mobile phone to modify the SMS message into ciphertext so that the information content of the SMS is not known by others. SMS delivery system for encrypting messages into ciphertext using a key that is entered by the sender then sends to the destination number. SMS reception system to decrypt it to others via SMS without the fear of information from these messages will be known by others. The method used in the system encrypt and decrypt the message is the algorithm Tiny Encryption Algorithm and implemented using the java programming language. JDK 1.7 as the java programming language ciphertext into plaintext using the key entered by the receiver and displays the original message to the recipient. This application can be used by someone who wants to send a confidential information and the java compiler. Eclipse, a java SDK and the Android SDK as a java source code editor.

关键词： java programming language

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Recommendations for Datasets for Source Code Summarization

arXiv

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arXiv 2019年

作者： LeClair, Alex McMillan, Collin Department of Computer Science and Engineering University of Notre Dame

Source Code Summarization is the task of writing short, natural language descriptions of source code. The main use for these descriptions is in software documentation e.g. the one-sentence java method descriptions in javaDocs. Code summarization is rapidly becoming a popular research problem, but progress is restrained due to a lack of suitable datasets. In addition, a lack of community standards for creating datasets leads to confusing and unreproducible research results – we observe swings in performance of more than 33% due only to changes in dataset design. In this paper, we make recommendations for these standards from experimental results. We release a dataset based on prior work of over 2.1m pairs of java methods and one sentence method descriptions from over 28k java projects. We describe the dataset and point out key differences from natural language data, to guide and support future researchers. Copyright © 2019, The Authors. All rights reserved.

关键词： java programming language

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