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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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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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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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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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Inferring Performance Bug Patterns from Developer Commits

Inferring Performance Bug Patterns from Developer Commits

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International Symposium on Software Reliability Engineering (ISSRE)

作者： Yiqun Chen Stefan Winter Neeraj Suri Dept. of Computer Science Technische Universität Darmstadt DEEDS Group Darmstadt Germany

ISBN: (纸本)9781728149837

Performance bugs, i.e., program source code that is unnecessarily inefficient, have received significant attention by the research community in recent years. A number of empirical studies have investigated how these bugs differ from "ordinary" bugs that cause functional deviations and several approaches to aid their detection, localization, and removal have been proposed. Many of these approaches focus on certain subclasses of performance bugs, e.g., those resulting from redundant computations or unnecessary synchronization, and the evaluation of their effectiveness is usually limited to a small number of known instances of these bugs. To provide researchers working on performance bug detection and localization techniques with a larger corpus of performance bugs to evaluate against, we conduct a study of more than 700 performance bug fixing commits across 13 popular open source projects written in C and C++ and investigate the relative frequency of bug types as well as their complexity. Our results show that many of these fixes follow a small set of bug patterns, that they are contributed by experienced developers, and that the number of lines needed to fix performance bugs is highly project dependent.

关键词： java program debugging program diagnostics public domain software open source software analysis programme Debugging Bugs java java programming language

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Using a Probabilistic Model to Predict Bug Fixes 25

Using a Probabilistic Model to Predict Bug Fixes

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

作者： Soto, Mauricio Le Goues, Claire Carnegie Mellon Univ Sch Comp Sci Pittsburgh PA 15213 USA

ISBN: (纸本)9781538649695

Automatic Software Repair (APR) has significant potential to reduce software maintenance costs by reducing the human effort required to localize and fix bugs. State-of-the-art generate-and-validate APR techniques select between and instantiate various mutation operators to construct candidate patches, informed largely by heuristic probability distributions. This may reduce effectiveness in terms of both efficiency and output quality. In practice, human developers have many options in terms of how to edit code to fix bugs, some of which are far more common than others (e.g., deleting a line of code is more common than adding a new class). We mined the most recent 100 bug-fixing commits from each of the 500 most popular java projects in GitHub (the largest dataset to date) to create a probabilistic model describing edit distributions. We categorize, compare and evaluate the different mutation operators used in state-of-the-art approaches. We find that a probabilistic model-based APR approach patches bugs more quickly in the majority of bugs studied, and that the resulting patches are of higher quality than those produced by previous approaches. Finally, we mine association rules for multi-edit source code changes, an understudied but important problem. We validate the association rules by analyzing how much of our corpus can be built from them. Our evaluation indicates that 84.6% of the multi-edit patches from the corpus can be built from the association rules, while maintaining 90% confidence.

关键词： Maintenance engineering Computer bugs Probabilistic logic java Adders Predictive models Probability distribution Probability distribution Maintenance engineering Probabilistic logic adders bugs java java programming language Prediction models Association rules Probabilistic Model Bugs acoustic paramagnetic resonance Fixed bug fixing output quality

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Trusted Remote Function Interface

Trusted Remote Function Interface

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IEEE Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON)

作者： Mark E. Royer Sudarshan S. Chawathe School of Computing and Information Science University of Maine Orono Maine USA

ISBN: (纸本)9781728138862

The Trusted Remote Function Interface (TRFI) is a small library that exposes services via a REST API to allow function execution with scientific programming languages. Functional units are uploaded to a remote server using the provided REST API. The API stores registered functions for later execution. Maintaining code using this technique allows clients to repeatedly execute functions without having the native language, typically Octave or Python, installed on the client machine. A common problem in scientific applications is the requirement for a program to interface with scientific scripting languages. Typically, this is not a straightforward approach for accomplishing the data exchange and subsequent function execution on that data from popular languages such as java or javaScript. This task is extraordinarily cumbersome if the interpreter, used by the scientific programming language, is not installed locally. By separating the function signature from the underlying implementation, and providing a uniform REST API, the TRFI library allows function interfacing in two ways. First, direct interfacing by using the equipped java library. Second, the more common scenario is interfacing remotely by deploying the library using aJAX-RS compatible web server. The result of the TRFI library's design and the provided REST API is the facilitation of code interoperability and reuse for scientific applications.

关键词： application program interfaces authoring languages Internet java open systems Python Application programming interfaces authoring languages Pythonidae java java programming language open systems Internets API AXIAL POWER INDICATOR American Petroleum Institute Python Function Libraries data exchange

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Simulation Model of the Computer's Units and Peripherial Equipment Interaction

Simulation Model of the Computer's Units and Peripherial Equ...

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

作者： Natalia Efimushkina Sergey Orlov Nikolai Khrisanov Samara State Technical University Samara Russia

ISBN: (纸本)9781728167015

The paper deals with the principles of constructing a simulation model for studying the basic processes and devices in the computer I / O subsystem. The procedure for selecting the composition of the studied characteristics of input-output devices, as well as the structure and level of detail of the parameters of the objects under study is considered. Typical computer hardware with keyboard and monitor is offered as a peripheral device. When modeling, probabilistic characteristics of data processing in the input-output subsystem are set. The modeling program is developed in java in NetBeans 8.1. A user interface based on the animation of the processes in I / O subsystem is described. This provides obtaining a visual representation of interrupts, generation of control signals, and transfer of codes from peripheral devices to the memory and the central processor. The user interface provides the setting of the necessary modes and simulation parameters. The simulation results are presented in the form of time charts of devices and the numerical values of these characteristics. The input / output system under study can operate in one of three modes: only with information input, with data input and output to a monitor, and also only with data processing and output to a monitor. The paper presents the study results of the simulated system in various modes, confirming the adequacy of the developed model.

关键词： computer peripheral equipment computer simulation data visualisation graphical user interfaces input-output programs java peripheral interfaces input-output programs peripheral interfaces Data visualisation graphical user interfaces java java programming language Computer Simulation Simulation models Computer equipment User Interface Device Component MONITOR SUB-SYSTEM Computer hardware

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A Tutorial on Using and Extending the EvoSuite Search-Based Test Generator 10th

A Tutorial on Using and Extending the EvoSuite Search-Based ...

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10th International Symposium on Search-Based Software Engineering (SSBSE)

作者： Fraser, Gordon Univ Passau Passau Germany

ISBN: (纸本)9783319992419;9783319992402

EvoSuite is an automated unit test generation tool for java. It takes as input a java class under test, and produces JUnit tests optimised for code coverage, and enhanced with regression assertions, as output. This paper is a tutorial on how to use EvoSuite to generate tests, on how to build and extend EvoSuite, and how to use EvoSuite to run experiments on search-based testing.

关键词： java programming language

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