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ICT/technologies are increasingly pervasive and embedded in everyday things and objects, constituting a relevant aspect of social identities. Furthermore ICT use continues to be a highly gendered area of life in all socio-economic and educational backgrounds, and a source of significant social inequality in enduring ways. Gender and ICT/technologies is an international growing field of research that...
Mobile and ubiquitous technologies offer unique potentialities to develop environmental education activities. This paper presents the preliminary results of a project developed with children aged between 6 and 12, which explored the vine cycle over one year, visiting farms in the Dão vineyard area. Mobilizing a framework that integrates authentic and meaningful learning with situated cognition, it...
Pronunciation, as one of language components, plays important role in building language mastery. English, as one of the most used language for international communication, has to be delivered in correct pronunciation so that the conversation partner successfully obtain the message of the first speaker with correct pronunciation. Apparently, English, as one of language with imperfect pronunciation,...
Mobile wireless network technology has grown rapidly over the past decade with emerging applications and services. Particularly, the fourth generation (4G) cellular network has acted as a bridge between telecommunication technology and daily life applications. In this paper, we present an investigation into a telepresence wheelchair in outdoor environments employing cellular network infrastructure...
This paper presents recent results obtained with a visual method allowing absolute position measurements at nanoscale. Based on the direct phase analysis of pseudo-periodic patterns, this approach enabled fast measurements of position with large range-to-resolution ratios. Applications include microrobotic manipulators calibration and visual servoing but also microforce measurement by using a compliant...
Among all the applications and services currently used by the smart phone users, Instant messenger (IM) is the most actively used one, and deserves deep research of its service behavior properties. In this paper, we built an accurate traffic behavior model of the IM services, based on the huge amount of data that collected from the real smart phone users in the mobile network. Finally, an analysis...
Recent technological advancement in mobile technologies had changed the learning process for urban poor group in Malaysia. However, the main problem is lacking of understanding of the factors that drive urban poor to use m-learning. Thus, the main objectives of this exploratory research are (i) to identify the factors that drive urban poor to use m-learning and (ii) to provide recommendations to improve...
Lately, mobile device has become a convenient platform for augmented reality (AR). Day by days, mobile devices are getting popular as a platform for AR application such as a Smartphone. Mobile AR (MAR) is mainly available whenever people require an informational support for a focused task. However, only a limited number of researches are avalaible in the mobile augmented reality application. The objective...
A teachable agent is a learning companion that students teach about a domain they are trying to master. While most teachable agents have been virtual, there may be advantages to having students teach an agent with a physical form (i.e., a robot). The robot may better engage students in the learning activity, and if students take embodied action in order to instruct the robot, they may develop deeper...
Mobile Robotic System (MRS) is an automatic machine capable to move in it's environment to carry out task in field of logistic area. It is a battery or an electric motor operated Computer Controlled mobile transport system. The development of Mobile Robotic System is one of the areas of research. This paper presents the Identification and Parameter Control of Mobile Robotic System. Open loop response...
This paper proposes a detection system for malicious apps in the Android mobile phones. The proposed system mainly extracts permissions and sensitive functions applied by an app, plus two additional features native-permissions and intent-priority, to conduct static analysis. Besides, the system also uses a sandbox, i.e., an emulator, to record and analyze the app's behavior. For the latter, this study...
Theoretical values of throughput and latency parameters of 3G as well as 4G mobile networks are generally known from the standards. However, in praxis they depend on various aspects like radio signal coverage, number of connected users or moving speed of the terminal equipment. In this paper we present results of measurements conducted in Vienna, Austria. They were conducted for activities of AEROCEPTOR...
This paper presents an application for remote control of a mobile robot with XBEE wireless communication. The control of the mobile robot is realized by a PC within a software interface or by using a user mobile remote control. The application is implemented in LabVIEW and can be used for robot control and robot movement tracking.
The paper concerns the problem of using and implementing mobile solutions in SMEs (Small and Medium Enterprises). Some of the existing examples of mobile solutions are analyzed and characterized. A significant part of the paper is a presentation of the research on mobile solutions which can be used to manage the business activities in SMEs. The role and methods of testing the mobile systems have been...
Recently, automatic face recognition has been applied in many web and mobile applications. Developers integrate and implement face recognition as an access control into these applications. However, face recognition authentication is vulnerable to several attacks especially when an attacker presents a 2-D printed image or recorded video frames in front of the face sensor system to gain access as a...
Mobile devices are becoming a more popular tool to use in day to day life; this means that they can accumulate a sizeable amount of information, which can be used as evidence if the device is involved in a crime. Steganography is one way to conceal data, as it obscures the data as well as concealing that there is hidden content. This paper will investigate different steganography techniques, steganography...
This paper focuses on sensor data management in the Solar Car Optimized Route Estimation (SCORE) system which is currently being developed. The data collection is split into two phases: the a priori phase related to the environment and the real time phase related to the solar vehicle. The hardware and software architecture for a priori phase is illustrated in detail, while the real time phase is discussed...
In a D2D-enabled cellular system, not only can communications be relayed through the base station, but also closely located pairs are allowed to communicate directly over a D2D link, to support short-range data-intensive services. In this paper, we first formally state the problem of system throughput maximization subject to a given feasible lower bound for the users' SINRs in a D2D-enabled cellular...
Several mobile guides for unknown destinations provide assistance to tourists (through personalized tour recommendations) in making feasible plans and visiting the most interesting POIs within their available time. However, existing tourist tour planners only regard available attractions as sites lacking physical dimensions (i.e. POIs are treated as points). Although this is adequate for scheduling...
Mobile Cloud Computing (MCC) is an emerging paradigm aiming to elastically extend the range of resource-intensive tasks supported by mobile devices, leveraging upon broadband connectivity and cloud-based resources. In literature, almost all MCC models focus on mobile devices, considering the Cloud as a system endowed with unlimited resources. In this paper, we illustrate a novel MCC model characterized...
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