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Emerging Smart Computing and Informatics (ESCI), Conference on

作者： Dara Raju Omaia Al-Omari Ganesh Kumar Anbazhagan Kuttimarks Muthu Selladurai Malik Bader Alazzam M. Karthik Dept. of CSE Vignana Bharathi Institute and Technology Ghatkesar India Information Systems Department College of Computer and Information Sciences Prince Sultan University Riyadh Saudi Arabia Department of Microbiology Saveetha Medical College and Hospital Saveetha Institute of Medical and Technical Sciences (SIMATS) Chennai Tamil Nadu India Shivajirao S. Jondhle College of Engineering and Technology Maharastra India Faculty of Information Technology Jadara University Irbid Jordan Department of AI & DS K.Ramakrishnan College of Engineering Trichy India

ISBN: (数字)9798331515683

ISBN: (纸本)9798331515690

Understanding and managing the effects of climate change and loss of biodiversity are crucial. However, traditional approaches are largely ineffective in dealing with these challenges because environmental data is complex and uncertain. Environmental monitoring thus comes into play. To this end, this paper presents an investigation into the LSTM network, a type of recurrent neural network that was developed to capture long-range patterns in sequential data. With the ability of LSTM networks to process historical data and understand temporal relationships, the prediction of climate variables like temperature, precipitation, and extreme weather occurrences is now much more advanced. As a result, this has led to the development of more accurate climate models, which are essential for creating mitigation and adaptation plans for climate change. Analyzing time-series data, LSTM networks can mimic species population dynamics and habitat changes in biodiversity conservation. This is helpful in predicting future population trends and identifying critical times of vulnerability. This ability allows for timely and effective conservation. Huge environmental datasets are collected and preprocessed, the models' excellent performance in environmental monitoring tasks is further proved by their 97.6% accuracy. A network of LSTM is established with the aim of improving the accuracy of environment-science forecasting and enhancing associated decision-making processes, which eventually lead to more resilient and sustainable resources management.

关键词： Climate change Temperature distribution Accuracy Recurrent neural networks Biological system modeling Environmental monitoring Biodiversity Resource management Environmental management Long short term memory Climate change

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An extension for AADL to model mixed-criticality avionic systems deployed on IMA architectures with TTEthernet 1

An extension for AADL to model mixed-criticality avionic sys...

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1st International Workshop on Architecture Centric Virtual Integration, ACVI 2014, Co-located with the 17th International Conference on Model Driven engineering Languages and systems, MoDELS 2014

作者： Robati, Tiyam El Kouhen, Amine Gherbi, Abdelouahed Hamadou, Sardaouna Mullins, John Dept. of Software and IT Engineering École de Technologie Suprieure Canada Dept. of Computer and Software Eng Ecole Polytechnique de Montreal Canada

Integrated modular avionics architectures combined with the emerging SAE TTEthernet standard provides a strong infrastructure for the deployment of mixed-critical avionic applications having stringent safety, reliability and performance requirements. The integration of such systems is a very complex and challenging engineering task. Therefore, a model-based approach, which endows system engineers with a methodology and the supporting tools to cope with this complexity, is of a paramount importance. In this research paper, we present an extension for the standard architecture and analysis modeling language AADL to enable modeling integrated multi-critical avionic applications deployed on TTEthernet-based IMA architectures. In particular, we present a metamodel which extends the core AADL metamodel with concepts and constraints relevant for this domain, we define the concrete textual syntax for this extension and we outline the implementation of this extension using the Open Source AADL Tool Environment (OSATE). Finally, we illustrate our AADL extension using a case study based on the Flight Management System.

关键词： Modeling languages

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A rough set based approach to detect plagiarism

A rough set based approach to detect plagiarism

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2009 IEEE Region 10 Conference, TENCON 2009

作者： Bhavani, M. Thammi Reddy, K. Shashi, M. Dept. of Computer Science and Engineering VIIT Visakhapatnam India Dept. of Computer Science and Systems Engineering Andhra University Visakhapatnam India

ISBN: (纸本)9781424445479

Plagiarism is the practice of claiming, or implying, original authorship or incorporating material from someone else's written or creative work, in whole or in part, into one's own without adequate acknowledgement. Unlike cases of forgery, in which the authenticity of the writing, document, or some other kind of object, itself is in question, plagiarism is concerned with the issue of false attribution [21]. Plagiarism has become a significant problem in the student community due to the fact that the wide accessability of digitalized information in the WWW. It has become difficult task for the teachers as well as adjudicators to catch the cheaters. There are many tools which are either internet based or pc based to detect plagiarism and both are having advantages and disadvantages. To detect plagiarism there is a need to find the extent of similarity between a pair of text documents for providing access to topically relevant documents on one hand and for identifying document replication on the other hand. In this paper the details of a Rough Set based Document Ranking system (RSDRS) developed by the authors are presented. The terms associated with related concepts are grouped together to form equivalence classes by clustering the terms of the vocabulary. The query passage and the documents are represented as rough sets using these equivalence classes of terms and further partitioned into families of rough sets in higher level approximation spaces which impose partial ordering on the families of documents with reference to the query passage. Documents falling in the same family are ordered in accordance with their similarity to the query to form the relevance ranking of the documents ©2009 IEEE.

关键词： Approximation algorithms

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Computational fluid dynamic solver based on cellular discrete-event simulation

Computational fluid dynamic solver based on cellular discret...

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3rd International Conference on Simulation and Modeling Methodologies, Technologies and Applications, SIMULTECH 2013

作者： Van Schyndel, Michael Wainer, Gabriel Moallemi, Mohammad Dept. of Systems and Computer Engineering Carleton University Ottawa ON Canada

ISBN: (纸本)9789898565693

Computational Fluid Dynamics (CFD) deals with computing the equations of fluid flows using numerical methods. The Discrete-Event System specification (DEVS) theory has been used to approximate the continuous systems by applying a quantized state system approach. In this research, we employ Cellular DEVS theory (Cell-DEVS) - originally proposed for modeling and simulation of spatial environments - to create a uniform set of rules for CFD. This harmonized set of state changes can effectively render the fluid dynamics, by applying the accurate rule that represents the behavior of the fluid. The combination of the simplicity and the mathematical backbone allows for constructing models computable on an average computer or an array of cluster computers.

关键词： Computational fluid dynamics

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ASCM: An accelerated soft C-means clustering algorithm

ASCM: An accelerated soft C-means clustering algorithm

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2010 10th International Conference on Intelligent systems Design and Applications, ISDA'10

作者： Adel, Tameem Ismail, Mohamed Computer and Systems Engineering Dept. University of Alexandria Alexandria Egypt

ISBN: (纸本)9781424481354

The advantages of soft c-means over its hard and fuzzy versions render it more attractive to use in a wide variety of applications. Its main merit lies in its relatively higher convergence speed, which is more obvious in the presence of huge high dimensional data. This work presents a new approach to accelerate the convergence of the original soft c-means. It is mainly based on an iterative optimization approach and a relaxation technique. Several low and high dimensional datasets are used to evaluate the performance of the proposed approach. Experimental results show up to 70% improvement over the original soft and fuzzy c-means algorithms. © 2010 IEEE.

关键词： Fuzzy clustering

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Broadening the education of software engineers - some lessons and pointers

Broadening the education of software engineers - some lesson...

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2010 IEEE Transforming engineering Education: Creating Interdisciplinary Skills for Complex Global Environments

作者： Griffin, Joe Ryan, Kevin Dept. of Computer Science and Information Systems University of Limerick Limerick Ireland Lero - The Irish Software Engineering Research Centre Department of Computer Science and Information Systems University of Limerick Ireland

ISBN: (纸本)9781424460427

Professional Issues in software engineering (PISE) has been taught as part of the computer systems undergraduate degree programme at the University of Limerick using a multi-institutional collaborative pedagogy. PISE considers the ethical, legal and social consequences of the design, implementation and use of computer and information systems. Students from UL collaborated with students from other universities in USA, England and Malta, working together in geographically distributed virtual learning groups to consider ethical issues in software engineering. This paper reflects the longitudinal evaluation of teaching and assessment methods that have been developed over 20 years. ©2010 IEEE.

关键词： Teaching

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THE DIGITAL engineering FACTORY: CONSIDERATIONS, CURRENT STATUS, AND LESSONS LEARNED

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INCOSE International Symposium 2024年第1期34卷 927-943页

作者： Gregory, Joe Salado, Alejandro O'Neal, Sharon Larez, Richardo Reda, C.J. Martell, Niko Martin, Evan Colson, Matthew Masterson, John Armenta, David Dept. of Systems and Industrial Engineering University of Arizona United States Electrical and Computer Engineering University of Arizona United States

In industry, the advancement of digital engineering and the digital thread aims to reduce the impact of knowledge ‘siloes’ by providing a way to integrate data across the entire system lifecycle and across multiple domains. In a typical engineering curriculum, however, courses are still treated as ‘siloes’, and students often do not have the opportunity to experience this industrially relevant approach to engineering. The Digital engineering Factory (DEF) is a digital engineering environment under development at the University of Arizona to support engineering students. The DEF supports students by providing access to multiple engineering tools and is structured using a ‘hub-and-spoke’ approach to consolidate data from these tools. Through this connected architecture, students can transfer data generated in a particular course to tools for use in other courses. Connecting course activities in this way enables students to experience a complete end-to-end system lifecycle. At its ‘hub’, the DEF uses Violet to integrate data from multiple sources, create a digital thread, and generate a graph representation of the dataset. This knowledge graph, written in the Ontological Modeling Language (OML), can be viewed in OML Rosetta and is structured according to the University of Arizona Ontology Stack (UAOS). The use of the UAOS and OML Rosetta allows instructors to leverage semantic web technologies to support teaching activities such as grading. In this paper, the authors review the objectives of the DEF, discuss the status of the project, and highlight current limitations and lessons learned with regards to its deployment. These may be useful to inform similar developments in industrial settings. Copyright © 2024 by Author Name. Permission granted to INCOSE to publish and use.

关键词： Life cycle

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Air interfaces for future-generation cellular wireless systems

Air interfaces for future-generation cellular wireless syste...

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CNSR 2007: 5th Annual Conference on Communication Networks and Services Research

作者： Falconer, David Dept. of Systems and Computer Engineering Carleton University Ottawa Canada

ISBN: (纸本)076952835X

In response to increasing demands for true multimedia telecommunications services anywhere any time there are concerted efforts worldwide towards the definition and development of "future-generation" wireless systems which may be expected to enter service within the next ten years. These will differ from current and near-future systems such as second- and third-generation cellular, WIFI, WiMAX and 3G long term evolution systems, in several important aspects: The radio system will configure itself and adapt to a users' needs, the capabilities of the user's terminal, and to the environment scenario. A "user" may be a person or a device, such as a sensor. The system can easily adapt to local hot spot, metropolitan area or wide area scenarios, static or fast-moving. The system will support high user densities and a very wide range of user bit rates - Kilobits per second to hundreds of Megabits per second. All this will be achieved with efficient spectrum usage and sharing, low cost, and acceptably low terminal power consumption. Such future wireless systems (sometimes called "fourth generation" (4G), sometimes called "beyond third generation" (B3G)), capable of transporting very high bit rates In non-ideal radio propagation environments, must be robust to severe frequency selective multipath. Further requirements include moderate terminal and base station hardware costs, high spectral efficiency, and scalability of the cost of terminals with respect to their maximum bit rate capabilities. Reconfigurable air Interfaces, based on frequency domain transmission and reception methods, best meet these requirements, by adaptively selecting the uplink and downlink modulation and multiple access scheme that is most appropriate for the channel, Interference, traffic and cost constraints. In this talk we discuss a generalized frequency domain-based approach to next-generation wireless air interfaces, presenting examples and research results, including channel estimation and power

关键词： Wireless networks

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DEVS simulation of peer-to-peer file-sharing

DEVS simulation of peer-to-peer file-sharing

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2012 10th Annual International Conference on High Performance Computing and Simulation, HPCS 2012

作者： Davoust, Alan Wainer, Gabriel Esfandiari, Babak Dept. of Systems and Computer Engineering Carleton University Ottawa ON Canada

ISBN: (纸本)9781467323598

We present a framework to simulate a peer-to-peer (P2P) file-sharing network, based on the Discrete Event systems Specification (DEVS) formalism. Our framework models a file-sharing network as a coupled model, comprising a network model and a large number of peer models. While most available network simulation tools focus on transportlevel dynamics, we provide extensible and reusable models for the file-sharing protocol and for the behavior of peers. These models, implemented using the CD++ toolkit, can readily be used on existing simulators, including parallel and real-time simulators. As a case study, we apply our framework to simulate a P2P web, and show the emergence of an interesting page distribution. © 2012 IEEE.

关键词： Discrete event simulation

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Simulation of three dimensional elevator system using cell-DEVS formalism 10

Simulation of three dimensional elevator system using cell-D...

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Proceedings of the 2010 Spring Simulation Multiconference

作者： Moallemi, Mohammad Arya, Ali Wainer, Gabriel Dept. of Systems and Computer Engineering Carleton University Ottawa Canada

ISBN: (纸本)9781450300698

Complex physical systems have been studied for many years using different approaches. Skyscraper building heights are restricted by the design limitations of their elevator systems. Long cable elevator systems will cause stretch because of their own weight. A newer technology is electromagnetic elevators that are able to travel in three dimensions and have no limitation on their height. M&S (Modeling and Simulation) methodologies and tools provide means for cost-effective validity analysis for designing complex physical and mechanical systems. Cell-DEVS is a formal methodology for cell-divided models based on DEVS (Discrete Event System Specifications) formalism. In this work, a cellular simulation model is used to model a three dimensional elevator system in a tall building with huge occupied area. The model defines appropriate rules for cells to control the elevators moving in different directions, while applying certain regulations to their movement to avoid collisions. Path finding and collision avoidance strategies are used to simulate an applicable system. We present the elevator model specifications, simulation design and discuss different simulation scenarios. © 2010 SCS.

关键词： Tall buildings

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