IARIA

Displaying 281-320 of 1223 results

  • White Papers // Jun 2012

    Deployment of Femtocells in Pakistan: A Consumer's Perspective

    Femtocell base stations operate in the licensed cellular band, and are small and low power devices providing a feasible and low cost alternative to microcell deployment in order to improve indoor signal coverage at homes and small buildings. Despite many benefits that can be offered by wide scale femtocell deployment...

    Provided By IARIA

  • White Papers // Jun 2012

    Efficient OEO-Based Remote Terminal Providing a Higher Power Budget of an Asymmetric 10/1G-EPON

    This paper proposes the design of an efficient Optical-Electrical-Optical (OEO)-based Remote Terminal (RT) that can provide the higher power budget required for a long-reach transmission in an asymmetric 10 Gbit/s Ethernet Passive Optical Network (10/1G-EPON). The current 10/1GEPON specification supports a maximum physical distance of only 20km in a 32-way...

    Provided By IARIA

  • White Papers // Jun 2012

    A Novel MIMO-OFDM Scheme Based on Modulation Diversity for IEEE 802.11ac Standard

    Wireless communications always strive for higher throughput and higher performance. The Multiple Inputs Multiple Outputs (MIMO)- Orthogonal Frequency Division Multiplexing (OFDM) scheme is the key PHYsical (PHY) layer feature of the next generation Wireless Local Area Networks (WLAN) IEEE 802.11ac standards. In this paper, the authors propose a novel MIMO-OFDM...

    Provided By IARIA

  • White Papers // Jun 2012

    Experimental 20 Gbit/s Absolute Polar Duty Cycle Division Multiplexing - Polarization Division Multiplexing (AP-DCDM-PolDM) Transmission

    20 Gbit/s(2 ? 2 ? 5 Gbit/s) Absolute Polar Duty Cycle Division Multiplexing (AP-DCDM)-Polarization Division Multiplexing (PolDM) over 180 km standard single-mode fiber has been experimentally demonstrated in order to double the capacity of PolDM and increase the maximum dispersion uncompensated reach. The AP-DCDM-POLDM performance is examined utilizing a polarization...

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  • White Papers // Jun 2012

    Optical Access Network Migration From GPON to XG-PON

    The purpose of this paper is to give an introduction into the new standard base of Next-Generation Passive Optical Network (NG-PON). Study and analysis of future trends in the development of next-generation fixed broadband optical network is performed. The main intention of this paper is to describe migration from Gigabit-capable...

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  • White Papers // Jan 2012

    GPU Based Burning Process Simulation

    The authors present a method of simulating the process of burning phenomena on generic polyhedral objects. By mapping the object's surface to a 2D space, the fire front expansion can be calculated efficiently on GPU (Graphics Processing Unit). The state of decomposition is updated according to the fire front and...

    Provided By IARIA

  • White Papers // Jan 2012

    Context-Dependent Action Interpretation in Interactive Storytelling Games

    In this paper, a framework of context-dependent behavior interpretation in interactive storytelling system is proposed. A user can act as one of the role characters in a story to interact with other virtual characters in the system. The authors implemented two levels of action interpretation: activity and behavior. A Microsoft...

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  • White Papers // Jan 2012

    Developing User-Centered Video Game Concepts for Language Learning

    This paper will report on an ongoing project which aims to develop video games for language learning through a user-centered and evidence-based approach. Therefore, co-design sessions were held with adolescents between 14 and 16 years old, in order to gain insight into their preferences for educational games for language learning....

    Provided By IARIA

  • White Papers // Jan 2012

    Online Casinos: The Addiction Under Control Role of Web 2.0 and Re-Documentarisation

    In this paper, the authors will consider how to design and implement tools or Information System based and enriched by a semantic search engines to the forums in the world of online gambling (articles, tutorials, etc.) supporting both textual and semantic expressions. On the basis of this new approach, based...

    Provided By IARIA

  • White Papers // Jan 2012

    Evaluation of User Interface Satisfaction of Mobile Maps for Touch Screen Interfaces

    User interfaces of mobile maps on mobile and tablet devices with a touch screen interfaces is evaluated in this paper. A four-way factorial experiment compares the user interface satisfaction for two mobile touch devices (iPad/iPhone), two map types (Electronic Map/Mixed Map), two keyword searches (Landmark/District), and Chinese input methods (Hand-written/Phonetic...

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  • White Papers // Jan 2012

    Tablet PCs - An Assistive Technology for Students With Reading Difficulties?

    This paper presents the results of a descriptive case study concerning adoption of iPad or other tablets as assistive technology. Two pilot studies concerning the adoption and use of the iPad for active reading in a teaching/learning situation have recently been conducted at elementary school level and at university level....

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  • White Papers // Jan 2012

    Spatial Ability and Map-Based Software Applications

    Location-based applications are growing in importance as agencies are placing more and more computing into their field applications. The development of software for these applications needs to consider the wide range of user skills. The present work looks at the impact of spatial ability on a typical Census Bureau application...

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  • White Papers // Jan 2012

    A Presentation Support System by Expanding Embodiment With a Mobile Touchscreen Device

    Most of the people make presentations by using tools such as pointers. However, the use of information devices such as laser pointers and mice can restrict the presenter's embodied motions and actions. In this paper, the authors propose a presentation support system that can expand embodiment by using a portable...

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  • White Papers // Jan 2012

    Designing Mobile Apps for Visually Impaired and Blind Users

    Although mobile devices include accessibility features available for visually impaired users, the user interface of the majority of the mobile apps is designed for sighted people. It is clear that "Design for Usability" differs depending if the final user is a sighted user or a visually impaired user. This paper...

    Provided By IARIA

  • White Papers // Jan 2012

    Building Bridges Between Elderly and TV Application Developers

    The development of new digital TV systems and the design practices adopted in the development of new TV based applications often isolate elderly and disabled users. By considering them as users with special needs and not taking their problems into account during the design phase of an application, developers are...

    Provided By IARIA

  • White Papers // Jan 2012

    Analysis of Volumetric Tactile Symbols Produced With 3D Printing

    The morphological elements of design used for designing tactile maps and symbols for visually impaired users are points, linear, and areal elements. One of the main characteristics of these elements is their two-dimensional and graphic nature. However, since three-dimensional design came to be a fourth group of elements, volumetric elements,...

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  • White Papers // Jan 2012

    Accessibility Study of Rich Web Interface Components

    The use of the latest technologies to develop rich interfaces for websites could decrease one accessibility, making problematic the access for people with disabilities. Faced with this problem, this paper executed a study to evaluate the accessibility of rich components on the Web. The paper used WAI-ARIA recommendations as reference...

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  • White Papers // Jan 2012

    Virtualization Technology for Multi-Display Systems

    The method for creation of multi-user multi-monitor systems designed for educational purposes is suggested. The method utilizes virtual machine technology which makes possible to create completely isolated user working environment, remote access to equipment and remote workstation administration. Standard interfaces like DVI, VGA or USB are used as data transmission...

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  • White Papers // Jan 2012

    The Utility of Controlled Vocabularies Within Bookmark Management Tasks

    This research investigates the utility of adopting a controlled vocabulary approach to bookmark management. An initial user survey conducted for this research has shown that just over half the population use bookmarks to save important websites and that 75% of these people use up to three sub-levels only. The bookmark...

    Provided By IARIA

  • White Papers // Jan 2012

    Designing Multi-Modal Map-Based Interfaces for Disaster Management

    The access to current and reliable maps and data is a critical factor in the management of disaster situations. Standard user interfaces are not well suited to provide this information to crisis managers. Especially in dynamic situations conventional cartographic displays and mouse based interaction techniques fail to address the need...

    Provided By IARIA

  • White Papers // Jan 2012

    Multilingual Ontology Alignment Based on Visual Representations of Ontology Concepts

    Image search represents one of the most frequent user actions on the Internet. Existing image search engines do not understand the images they return, nor do they support multilingualism. These issues can be addressed with the introduction of a semantic layer. The semantics is encoded in ontologies, which contain structured...

    Provided By IARIA

  • White Papers // Jan 2012

    TsoKaDo: An Image Search Engine Performing Recursive Query Recommendation Based on Visual Information

    This paper tackles the problem of the user's incapability to describe exactly the image that he seeks by introducing an innovative image search engine called TsoKaDo. Until now the traditional web image search was based only on the comparison between metadata of the webpage and the user's textual description. In...

    Provided By IARIA

  • White Papers // Jan 2012

    Towards 3D Data Environments Using Multi-Touch Screens

    The increase in availability of multi-touch devices has motivated one to consider interaction approaches outside the limitations associated with the use of a mouse. The problem that the authors try to solve is how to interact in a 3D world using a 2D surface multi-touch display. Before showing their proposed...

    Provided By IARIA

  • White Papers // Jul 2012

    A Security Architecture for Cloud Storage Combining Proofs of Retrievability and Fairness

    Cloud computing is essentially a large-scale distributed and virtual machine computing infrastructure. This new paradigm delivers a large pool of virtual and dynamically scalable resources, including computational power, storage, hardware platforms and applications, which are made available via Internet technologies. There are many advantages for private and public organisations that...

    Provided By IARIA

  • White Papers // Jul 2012

    About the Flexible Migration of Workflow Tasks to Clouds Combining On-And Off-Premise Executions of Applications

    An increasing number of applications target their executions on specific hardware like general purpose Graphics Processing Units. Some Cloud Computing providers offer this specific hardware so that organizations can rent such resources. However, outsourcing the whole application to the Cloud causes avoidable costs if only some parts of the application...

    Provided By IARIA

  • White Papers // Jul 2012

    HPCCA: Is Efficient in Mobile Cloud Environment (MCE)?

    Integrating cloud infrastructure and services into the Mobile Communication Environment (MCE) is an intensive research area nowadays. Mobile cloud computing provides interesting research opportunities to resolve the boundaries between mobile and cloud computing. Studies show that mobile devices are limited in resources: memory, network bandwidth, availability and specifically processing power....

    Provided By IARIA

  • White Papers // Jul 2012

    CocoBox: A Social File Cloud System for Collaboration

    File cloud provides file storages on the Internet and manages them for people to access and manipulate their contents like documents, pictures, and movies anywhere and anytime. There are various smart devices such as tablets, smart phones, and smart pads, which can utilize file cloud services. In this paper, the...

    Provided By IARIA

  • White Papers // Jul 2012

    Cloud Based Dynamically Provisioned Multimedia Delivery: An Elastic Video Endpoint

    Content delivery networks are commonplace in today's Internet and are an important technique in the distribution of multimedia content to the plethora of Internet Protocol enabled devices. However, it has been recognised that current networks are many times over provisioned server side for peak demand and therefore greatly underutilized at...

    Provided By IARIA

  • White Papers // Jul 2012

    ERHA: Execution and Resources Homogenization Architecture

    In this paper, the authors present the Execution and Resources Homogenization Architecture (ERHA). The architecture aims to provide mechanisms for submitting and executing batch applications in private IaaS clouds using homogeneous virtual environments created over heterogeneous physical infrastructure. With ERHA it is possible to deploy and execute applications in IaaS...

    Provided By IARIA

  • White Papers // Jul 2012

    Datanode Optimization in Distributed Storage Systems

    Distributed storage systems designed for small files have been developing rapidly, like Facebook's hayStack, Twitter's Cassandra and so on. But, under the authors' observation, there are still some drawbacks in these systems. For example, they do not have cache specified for files and have not taken the relationship inherent in...

    Provided By IARIA

  • White Papers // Jul 2012

    Towards a Scalable Cloud-Based RDF Storage Offering a Pub/Sub Query Service

    Recently, Complex Event Processing engines have gained more and more interest. Their purpose consists in combining real-time and historical data in addition to knowledge bases to deduce new information. Also, RDF is now commonly used to make information machine-processable. In this paper, the authors propose to leverage existing research about...

    Provided By IARIA

  • White Papers // Jul 2012

    Reliable Approach to Sell the Spare Capacity in the Cloud

    Traditionally, Infrastructure as a Service (IaaS) providers deliver their services as Reserved or On-Demand instances. Spot Instances (SIs) is a complementary service that allows customers to bid on the free capacity in the provider data centers. Therefore, the decrease in the free capacity may result in terminating instances abruptly. To...

    Provided By IARIA

  • White Papers // Jul 2012

    Cloud Objects: Programming the Cloud With Object-Oriented Map/Reduce

    Cloud Objects parallelizes Object-Oriented programs written in Java using Map/Reduce by adding simple, declarative annotations to the code. The system automatically persists objects to a partitioned file-system and efficiently executes methods across the partitioned object data. Using Cloud Objects, data-intensive programs can be written in a simple, readable, object-oriented manner,...

    Provided By IARIA

  • White Papers // Jul 2012

    Cloud-Based Healthcare: Towards a SLA Compliant Network Aware Solution for Medical Image Processing

    Medical image processing in the Cloud can involve moving large data sets and/or applications across the network infrastructure. With the aim of minimizing the total processing time, the optimal placement of image data and processing algorithms on a large scale, distributed Cloud infrastructure is a challenging task. This paper presents...

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  • White Papers // Jul 2012

    Load Balancing in Cloud Computing Systems Through Formation of Coalitions in a Spatially Generalized Prisoner's Dilemma Game

    The efficiency, in terms of load balancing and scheduling problems as well as security of both communication and computation processes, belong to the major issues related to currently built cloud computing systems. The authors present a general framework to study these issues and their research goal is to develop highly...

    Provided By IARIA

  • White Papers // Jul 2012

    Proactive Performance Optimization of IT Services Supply-Chain Utilizing a Business Service Innovation Value Roadmap

    Business investment in IT is increasingly linked to IT delivering new or enhanced services that leverage the capabilities of the cloud. The challenge that IT faces especially in cloud environment, is to continuously assess and proactively optimize the performance and quality of supporting IT services being delivered. This evaluation must...

    Provided By IARIA

  • White Papers // Jul 2012

    Analysis and Optimization of Massive Data Processing on High Performance Computing Architecture

    MapReduce has emerged as a popular and easy-to-use programming model for numerous organizations to deal with massive data processing. Present works about improving MapReduce are mostly done under commercial clusters, while little work has been done under HPC architecture. With high capability computing node, networking and storage system, it might...

    Provided By IARIA

  • White Papers // Jul 2012

    Cloud Network Security Monitoring and Response System

    The public clouds network monitoring and response system, based on flow measurements, open source tools and CSMS (Cloud Security Monitoring System) module, is to be introduced in this paper. The main goal of the research is to develop an algorithm and to implement a system, which automatically detects and makes...

    Provided By IARIA

  • White Papers // Jul 2012

    Maximizing Utilization in Private IaaS Clouds With Heterogenous Load

    In this paper, the authors presents ongoing work on creating a computing system that can run two types of workloads on a private cloud computing cluster, namely web servers and batch computing jobs, in a way that would maximize utilization of the computing infrastructure. The idea stems from the experience...

    Provided By IARIA

  • White Papers // Jul 2012

    Enhancing Mobile Device Security by Security Level Integration in a Cloud Proxy

    Smartphones, tablets, laptops and other mobile devices dominate the people every day life and became indispensable for many businessmen. But at the same time the number of security vulnerabilities has been increasing. To increase the security of such devices the paper proposes a proxy running in a cloud environment that...

    Provided By IARIA