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International Conference on Digital Information and Communication Technology and it's Applications (DICTAP)

作者： Shahid Alam Department of Computer Science and Engineering Qatar University Doha Qatar

ISBN: (纸本)9781467396103

Humans possess a large amount of, and almost limitless, visual memory, that assists them to remember pictures far better than words. This phenomenon has recently motivated the computer security researchers' in academia and industry to design and develop graphical user identification systems (GUISs). Cognometric GUISs are more memorable than drawmetric GUISs, but takes more time to authenticate. None of the previously proposed GUISs combines the advantages of both cognometric and drawmetric systems. A signature personify a person and a graphical signature is easier to recall than other drawings. This paper proposes a new graphical Signature-based User Identification System named SUIS. It is based on a 2D grid technology, that is used to draw, digitize and store the signature for user identification. SUIS is categorized as both a cognometric and drawmetric system. Unlike other systems that use 2D grid: We take one cell in a grid as one pixel in the drawing; for signature matching, the signature drawn has to follow the same grid cells as the signature stored, independent of the sequence; and that the system is not based on any machine learning model. Increasing the number of grid cells increases the password space, and decreasing the size of the grid cell increases the precision of the signature. These characteristics makes SUIS: (1) Rigorous enough to be a password system, but easy enough to be usable. (2) Independent of the language and device used to draw the signature. (3) Efficient and practical to be used for online authentication systems. Currently we are developing a prototype tool in java to implement SUIS and will carry out a study with a large number of participants to evaluate the validity of SUIS.

关键词： security of data digital signatures graphical user interfaces identification technology java learning (artificial intelligence) identification technology Grid Cells digital signatures graphical user interfaces Data Security java java programming language user id signatures grids drawing

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JAS: JVM-based active storage framework for object-based storage systems

International Journal of Database Theory and Application

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International Journal of Database Theory and Application 2016年第7期9卷 121-134页

作者： Li, Xiangyu He, Shuibing Xu, Xianbin Wang, Yang School of computer Wuhan University Wuhan Hubei430072 China State Key Laboratory of High Performance Computing National University of Defense Technology Changsha Hunan410073 China Shenzhen Institute of Advanced Technology China Academy of Science Shenzhen518055 China Wuhan Donghu University Wuhan Hubei430212 China

We propose JAS, a JVM-based active storage framework for object-based storage systems. JAS programs the active storage functions of users as java codes, and allows them to be executed on different OSD platforms (Operating systems and hardware) without recompiling. JAS offloads the active storage code from a client to the OSD by extending the standard OSD command set, and execute the java code on the OSD on-demand by triggering them through extended client interfaces. We have implemented JAS under an object-based storage system. Experimental results show that the JVM-based active storage framework has been successfully set up, and this cross-platform design can largely improve system performance. © 2016 SERSC.

关键词： java programming language

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Real-Time Generation Capacity Monitoring With Consideration of Transmission Constraints

Real-Time Generation Capacity Monitoring With Consideration ...

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IEEE Power and Energy Society General Meeting

作者： Fengyu Wang Yaming Ma Yonghong Chen Midcontinent Independent System Operator Inc. (MISO) Carmel IN Indiana

ISBN: (纸本)9781509041695

In real time market operations, operators need to monitor available on-line capacity and evaluate whether online resources and upcoming commitment can meet both energy balance and reserve requirement in the near future. However, available online generation capacity may not always be deliverable due to transmission congestion. This paper proposed a deliverable generation capacity calculation formulation considering transmission constraints. A web-based generation capacity monitoring tool is developed to provide operators a quick estimate of maximum available capacity with consideration of deliverability and ramping capability. Numerical results on Midcontinent Independent System Operator (MISO) system are studied and analyzed in this paper as well.

关键词： Monitoring MISO Real-time systems Load flow Uncertainty Indexes java multiple-input single-output load flow PLANT CAPACITY real-time systems java java programming language Uncertainty Online resources

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Effects of False Sharing and Locality on Object Layout Optimization for Multi-Threaded Applications

Effects of False Sharing and Locality on Object Layout Optim...

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IEEE Canadian Conference on Electrical and Computer Engineering

作者： Taees Eimouri Kenneth B. Kent Aleksandar Micic Faculty of Computer Science University of New Brunswick Fredericton Canada IBM Ottawa Canada

ISBN: (纸本)9781467387224

One approach to decrease the gap between memory latency and processor speed is improving locality of data. Data layout optimization is a way to increase locality by reordering data elements in memory. Unfortunately, for multi-threaded applications, the issue is more complex due to the effects of false sharing. In this paper, the effect of locality and false sharing on multi-threaded applications is investigated. Therefore, fields are reordered inside java objects in such a way that improves the locality of reference among them and also decreases the estimated probability of false sharing. Considering the role of the JVM in laying out java objects fields, IBM's JVM is modified with the ability to reorganize fields based on the profiled information.

关键词： False java Virtual Machine (JVM) memory latency java java programming language layouts data elements Road multi-threaded application

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Cache and energy efficient algorithms for Nussinov RNA folding

Cache and energy efficient algorithms for Nussinov RNA foldi...

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IEEE International Conference on Computational Advances in Bio and Medical Sciences (ICCABS)

作者： Chunchun Zhao Sartaj Sahni Department of Computer and Information Science and Engineering University of Florida USA

ISBN: (纸本)9781509042005

We propose three cache-efficient algorithms, ByRow, ByRowSegment and ByBox, for RNA folding using Nussinov's dynamic programming equations [1]. These algorithms, along with the cache-efficient Transpose algorithm of Li et al [2]. and the Classical algorithm of Nussinov are analyzed using a simple LRU cache model. For this model, Classical has the highest number of cache misses followed by Transpose, ByRow, ByRowSegment, and ByBox (in this order). Extensive experiments conducted on a single core of a Xeon E5 server, using two programming languages-C and java-show that cache efficiency translates into time and energy efficiency. For example, our benchmarking shows that, when the algorithms are programmed in C, our ByBox algorithm reduces run time by as much as 91∶3% and energy consumption by as much as 90∶8% relative to Classical and by as much as 56∶3% and 57∶9%, respectively, relative to Transpose. In the java programming language, ByBox takes up to 88∶9% less time than Classical and up to 74∶9% less than Transpose. Also, using the same amount of memory, the algorithms proposed by us can solve problems up to 40% larger than those solvable by Transpose.

关键词： Transpose Cache memory RNA Folding Energy efficiency efficient algorithm algorithms java programming language Runtime BENCHMARKS

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Dataflow approach to testing java programs supported with DFC

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E-INFORMATICA SOFTWARE ENGINEERING JOURNAL 2015年第1期9卷 9-19页

作者： Bluemke, Ilona Rembiszewski, Artur Warsaw Univ Technol Inst Comp Sci PL-00661 Warsaw Poland

Code based ("white box") approach to testing can be divided into two main types: control flow coverage and data flow coverage methods. Dataflow testing was introduced for structural programming languages and later adopted for object languages. Among many tools supporting code based testing of object programs, only JaBUTi and DFC (Data Flow Coverage) support dataflow testing of java programs. DFC is a tool implemented at the Institute of Computer Science Warsaw University of Technology as an Eclipse plug-in. The objective of this paper is to present dataflow coverage testing of java programs supported by DFC. DFC finds all definition-uses pairs in tested unit and provides also the definition-uses graph for methods. After the execution of test information which def-uses pairs were covered is shown. An example of data flow testing of java program is also presented.

关键词： java programming language

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Performing Automated Experiments with EJsS Laboratories

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IFAC-PapersOnLine 2015年第29期48卷 134-139页

作者： Galan, Daniel Heradio, Ruben Torre, Luis De La Dormido, Sebastian Esquembre, Francisco Dept. of Computer Science and Automatic Control Universidad Nacional de Educación A Distancia Juan Del Rosal 16 MadridE-28040 Spain Dept. of Software Engineering and Computer Systems Universidad Nacional de Educación A Distancia Juan del Rosal 16 MadridE-28040 Spain Dept. of Mathematics Universidad de Murcia Campus de Espinardo MurciaE-30071 Spain

Existing software allows the development of high quality interactive applications that permit their implementation in laboratories, both virtual and remote. To perform an experiment, the user needs to know how these applications are implemented. In addition, when coding an experiment, the user has to manage the language in which the simulation was created and needs to handle fluently a simulation language just to perform experiments. In the academic field these simulations are used to create virtual and remote laboratories. The authors propose a tool to develop automated experiments for these laboratories. It is intended that the experiments use a powerful and simple language to improve students interaction with the laboratories. That is, avoid repetitive tasks using simple algorithms, data collection and analysis of results, among other features. A new environment for the development of experiments in the authoring tool Easy java(script) Simulations (EjsS) is proposed. It permits the decoupling of the application design phase from the experiment design. It has been equipped with a language capable of encircling all the expected commands, such as creating events, launching simultaneous applications or modifying their variables. Set with a high level layer, the language allows less experienced users to create their own experiments without having any knowledge of how the application was made. These features will be explained throughout the paper and some physic and control examples of use, as a controller for a cylindrical and a circular tank or a motion controller for a remote robot, will be given to demonstrate the potential of this new environment. © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： java programming language Application programs Computer simulation languages Experiments Laboratories Technology transfer Easy java(script) Simulations Experimentation language Remote laboratories Simulations Virtual laboratories

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LibSBOLj 2.0: A java library to support SBOL 2.0

IEEE Life Sciences Letters

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IEEE Life Sciences Letters 2015年第4期1卷 34-37页

作者： Zhang, Zhen Nguyen, Tramy Roehner, Nicholas Misirli, Goksel Pocock, Matthew Oberortner, Ernst Samineni, Meher Zundel, Zach Beal, Jacob Clancy, Kevin Wipat, Anil Myers, Chris J. University of Utah Salt Lake CityUT84112 United States Boston University BostonMA02215 United States Newcastle University Newcastle upon TyneNE1 7RU United Kingdom Turing Ate My Hamster Ltd. Newcastle upon TyneNE27 0RT United Kingdom DOE Joint Genome Institute Walnut CreekCA94598 United States Raytheon BBN Technologies CambridgeMA02138 United States ThermoFisher Scientific Synthetic Biology Unit CarlsbadCA92008 United States

The Synthetic Biology Open language (SBOL) is an emerging data standard for representing synthetic biology designs. The goal of SBOL is to improve the reproducibility of these designs and their electronic exchange between researchers and/or genetic design automation tools. The latest version of the standard, SBOL 2.0, enables the annotation of a large variety of biological components (e.g., DNA, RNA, proteins, complexes, small molecules, etc.) and their interactions. SBOL 2.0 also allows researchers to organize components into hierarchical modules, to specify their intended functions, and to link modules to models that describe their behavior mathematically. To support the use of SBOL 2.0, we have developed the libSBOLj 2.0 java library, which provides an easy to use Application programming Interface (API) for developers, including manipulation of SBOL constructs, serialization to and from an RDF/XML file format, and migration support in the form of conversion from the prior SBOL 1.1 standard to SBOL 2.0. This letter describes the libSBOLj 2.0 library and key engineering decisions involved in its design. © 2014 IEEE.

关键词： java programming language

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PhysarumSoft - a Software Tool for programming Physarum Machines and Simulating Physarum Games

PhysarumSoft - a Software Tool for Programming Physarum Mach...

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3rd International Conference on Innovative Network Systems and Applications (iNetSApp) held in conjunction with Federated Conference on Computer Science and Information Systems (FedCSIS)

作者： Schumann, Andrew Pancerz, Krzysztof Univ Informat Technol & Management Rzeszow Poland Univ Management & Adm Zamosc Poland

ISBN: (纸本)9788360810668

In the paper, we describe selected functionality of the current version of a new software tool, called Physarum Soft, developed for programming Physarum machines and simulating Physarum games. The tool was designed for the java platform. A Physarum machine is a biological computing device implemented in the plasmodium of Physarum polycephalum or Badhamia utricularis that are one-cell organisms able to build programmable complex networks. The plasmodial stage of such organisms is a natural transition system that can be used as a medium for solving different computational tasks as well as creating bio-inspired strategy games.

关键词： java biology computing complex networks computer games software tools Badhamia utricularis java platform Physarum game simulation Physarum machine programming Physarum polycephalum PhysarumSoft bio-inspired strategy games biological computing device natural transition system one-cell organisms plasmodium programmable complex networks software tool Games Inhibitors Object oriented modeling Petri nets programming Prototypes Veins Software Tools Physarum polycephalum Plasmodia Object oriented modeling biology computing Physarum programming java platform complex networks Computer Games Petri nets Veins Game theory java java programming language

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Morphological Analysis for Quality Assurance in GEM Foils 20

Morphological Analysis for Quality Assurance in GEM Foils

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20th SYMPOSIUM ON SIGNAL PROCESSING, IMAGES AND COMPUTER VISION (STSIVA)

作者： Rodriguez, C. A. Gutierrez, R. M. Jaramillo, A. E. Triana, N. Univ Antonio Narino Bogota Colombia

ISBN: (纸本)9781467394611

The Gas Electron Multiplier (GEM) is one of the most popular and powerful technologies for gaseous ionization detectors used in high energy physics, medical physics and other applications. One of the fundamental elements of a GEM are foils with micro perforations;the quality of such perforations is determinant for an optimal performance of the GEM. In this work we study and develop different computational methods (implemented in java programming language), in order to determine the quality of GEM-foils from high resolution images of the foils. This computational method will provide an automatic and high precision alternative to the present procedures which are very expensive, time taking and imprecise, limiting the development and application of this important technology of detectors. The present method can be extended to other high resolution image analysis useful for nanostructures and microstructures. A preliminary study of the method applied to lower resolution images is also presented.

关键词： electron multiplier detectors ionisation chambers quality assurance GEM foils computational methods gas electron multiplier gaseous ionization detectors high-energy physics high-resolution image analysis java programming language medical physics microstructures nanostructures Detectors Fabrication Geometry Image resolution Microscopy Physics Standards Quality assurance ELECTRON MULTIPLIER DETECTORS image resolution Medicine computational methods Ionization chambers Jewelry GEM gene Quality management java programming language Nanostructure electron multipliers Particle physics geometry Microscopy

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