1,084 research outputs found

    Quality assessment technique for ubiquitous software and middleware

    Get PDF
    The new paradigm of computing or information systems is ubiquitous computing systems. The technology-oriented issues of ubiquitous computing systems have made researchers pay much attention to the feasibility study of the technologies rather than building quality assurance indices or guidelines. In this context, measuring quality is the key to developing high-quality ubiquitous computing products. For this reason, various quality models have been defined, adopted and enhanced over the years, for example, the need for one recognised standard quality model (ISO/IEC 9126) is the result of a consensus for a software quality model on three levels: characteristics, sub-characteristics, and metrics. However, it is very much unlikely that this scheme will be directly applicable to ubiquitous computing environments which are considerably different to conventional software, trailing a big concern which is being given to reformulate existing methods, and especially to elaborate new assessment techniques for ubiquitous computing environments. This paper selects appropriate quality characteristics for the ubiquitous computing environment, which can be used as the quality target for both ubiquitous computing product evaluation processes ad development processes. Further, each of the quality characteristics has been expanded with evaluation questions and metrics, in some cases with measures. In addition, this quality model has been applied to the industrial setting of the ubiquitous computing environment. These have revealed that while the approach was sound, there are some parts to be more developed in the future

    Investigating data synchronization in a mobile learning network with handheld devices

    Get PDF
    There were many successful Web-based learning systems built to enhance the effectiveness of institutional teaching over the past decade. Students were benefited in two major aspects: asking questions to their course instructors, and downloading relevant course materials only when Internet/Intranet access is available. Recently, handheld devices integrated with the latest wireless technology are becoming popular. Thus, it is foreseeable that such learning facilities may move beyond the boundary of fixed network connections one day. We considered an interesting proposal to mobilize conventional Web-based learning systems with the integration of handheld devices, and pioneered its prototype implementation in the University of Hong Kong. Besides getting encouraging students' feedbacks, we gained invaluable experience of combining frontier technologies such as the Conduits and Web server technology to solve the data synchronization problems of students' questions distributed among the 'local' databases of handheld devices and the centralized database server.published_or_final_versio

    Mobile Geographical Information System: Using Personal Digital Assistant to Monitor Vehicle Navigation

    Get PDF
    Geographic analysis has been around longer than maps; probably back thousands of years when early humans planned hunting and movement. Perhaps the first GIS were scratches in the dirt or sand. Traditionally, highly skilled cartographers spent many hours drawing maps, and map users labored over the analytical tasks. Modern GIS arrived when computers became powerful, easier to operate, more affordable, and generally available to many users. Technology has created many changes, including geography, data, and methods of analysis. Modern GIS is a new paradigm, even more so when Modern GIS goes mobile. The rapid growth in mobile telecommunications and internet business is living proof of a radical change in today's information society and infrastructure. The current phase in this development is the continued increase in total mobility with wideband services. This paper explores GIS in the mobile environment using commercial-off-the-shelf (COTS) components. It sees the research on GIS, focusing on GIS in mobile environment. It presents the ideaof applying GIS concept in vehicle tracking, where mobile GIS will couple up with GPS as a vehicle movement monitoring tool. The Reuse-Oriented Development Model is used as guidance for the project progress. The methodology is suitable as it stresses on component reuse. It encourages timely completion of the project. A simulation of vehicle tracking and navigating concept would be presented as the findings of the research. The simulation presents the idea of real-time tracking of a moving vehicle using data output from the GPS.

    Bi-Directional Information Exchange with Computing Handheld Devices

    Get PDF
    The Bi-Directional Information Exchange with Handheld Computing Devicesz\u27 project introduces two new concepts: dynamic digital receipts and personal data warehousing. Dynamic digital receipts means digitalizing paper transactions generated from points of sale. Personal data warehousing means organizing and collecting data for later viewing and analysis. The consumer will be able to use a handheld device such as a cell phone or PDA to receive and store a transaction in XML format. Later on, the user can upload the receipt through a web application to a personal data warehouse for storage or management of receipts. The web interface also allows users to export the receipts to money management software. The digital receipt is transferred from the point of sale to the handheld device using Bluetooth technology. The implementation of the digital receipt concept will allow users to manage their receipts and store them neatly without restrictions on manipulating their own data

    Examination Result Retrieval via Short Messaging Service (SMS)

    Get PDF
    Short Message Service (SMS) provides a mechanism fortransmitting short messages to and from wireless devices. Therefore, the aim ofthis project is to develop a system thathascapability in handling the University of Technology PETRONAS (UTP) examination result request from the students Currently, two methods usedfor the students to retrieve their exam result which are through mail and online. Failed to retrieve examresult via mail always occurred. By using Internetapplication, it requires the student presence orthe availability. Besides, busy network traffic affects student difficulties in accessing the page. Fivephases usedto develop this project. There were initiating and project planning, datagathering andanalysis, developing, testing and result analysis. Theevaluation of this prototype hasbeen categorized intotwo, userperception and system developer perception. From the result derived from the userperception, 81.67% of respondents agree this system is easy to monitor andefficient. Therefore, this exam result retrieval will use the functionality ofSMSin order to deliver examination result to UTP's student. As a conclusion, this project is successfully develop and provide one ofthemost convenient method for the student to retrieve the result as most ofthe students do have a mobile phone with SMS capability

    Mobile Library

    Get PDF
    Wireless application system and application has large potential due to the very personal and intimate nature of the device and high targeting possibilities. Due to rapid advancement of advertising and informing technologies recent years, the concepts and such applications have been significantly extended. This research will look deeply into the acceptance level of implementing the wireless system at the defined area. In this project the application and the function of advertising on mobile device has been modified to another alternatives that can enhance the environment surrounding us. This project is basically will be functioning as a reminder system. This system will establish the connection between the server and the Personal Digital Assistants (PDAs). The system will deliver location-aware of information that allows the transition info from the server to the PDAs using WiFi pull-based technology. The objective of this system being developed is to enhance the idea and the technologies of wireless nowadays which definitely can be implemented in various ways later on. In this project, several techniques have been used starting with ideas and information research and gathering that have been done through journals, existing paper work, and previous systems that create by previous students. This report covers the background study, literature review and theory based on research, and also methodology used in research and design phase. In research, questionnaire is used to gather information pertaining to user preferences. Meanwhile, in design phase, the methodologies will be explained more in chapter three (3). The lasttwo part of this report covers result and discussion from the research and testing phase, and also recommendation for future work. I

    Using mobile computing for construction site information management

    Get PDF
    PhD ThesisIn recent years, construction information management has greatly benefited from advancesin Information and Communication Technology (ICT) increasing the speed of information flow, enhancing the efficiency and effectiveness of information communication, and reducing the cost of information transfer. Current ICT support has been extended to construction site offices. However, construction projects typically take place in the field where construction personnel have difficulty in gaining access to conventional information systems for their information requirements. The advances in affordable mobile devices, increases in wireless network transfer speeds and enhancements in mobile application performance, give mobile computing a powerful potential to improve on-site construction information management. This research project aims to explore how mobile computing can be implemented to manage information on construction sites through the development of a framework. Various research methods and strategies were adopted to achieve the defined aim of this research. These methods include an extensive literature review in both areas of construction information management and mobile computing; case studies that investigate construction information management on construction sites; a web-based survey for the investigation of the existing mechanism for on-site information retrieval and transfer; and a case study of the validation of the framework. Based on the results obtained from the literature review, case studies and the survey,the developed framework identifies the primary factors that influence the implementation of mobile computing in construction site information management, and the inter relationships between those factors. Each of these primary factors is further divided into sub-factors that describe the detailed features of relevant primary factors. In order to explore links between sub-factors, the top-level framework is broken down into different sub-frameworks, each of which presents the specific links between two primary factors. One of the applications for the developed framework is the selection of a mobile computing strategy for managing on-site construction information. The overall selection procedure has three major steps: the definition of on-site information management objectives; the identification of mobile computing strategy; and the selection of appropriate mobile computing technologies. The evaluation and validity of the selection procedure is demonstrated through an illustrative constructions cenario

    Heart Failure Monitoring System Based on Wearable and Information Technologies

    Get PDF
    In Europe, Cardiovascular Diseases (CVD) are the leading source of death, causing 45% of all deceases. Besides, Heart Failure, the paradigm of CVD, mainly affects people older than 65. In the current aging society, the European MyHeart Project was created, whose mission is to empower citizens to fight CVD by leading a preventive lifestyle and being able to be diagnosed at an early stage. This paper presents the development of a Heart Failure Management System, based on daily monitoring of Vital Body Signals, with wearable and mobile technologies, for the continuous assessment of this chronic disease. The System makes use of the latest technologies for monitoring heart condition, both with wearable garments (e.g. for measuring ECG and Respiration); and portable devices (such as Weight Scale and Blood Pressure Cuff) both with Bluetooth capabilitie
    • …
    corecore