Proceedings of the 3rd Open Source Geospatial Research & Education Symposium OGRS 2014

The third Open Source Geospatial Research & Education Symposium (OGRS) was held in Helsinki, Finland, on 10 to 13 June 2014. The symposium was hosted and organized by the Department of Civil and Environmental Engineering, Aalto University School of Engineering, in partnership with the OGRS Community, on the Espoo campus of Aalto University. These proceedings contain the 20 papers presented at the symposium. OGRS is a meeting dedicated to exchanging ideas in and results from the development and use of open source geospatial software in both research and education.  The symposium offers several opportunities for discussing, learning, and presenting results, principles, methods and practices while supporting a primary theme: how to carry out research and educate academic students using, contributing to, and launching open source geospatial initiatives. Participating in open source initiatives can potentially boost innovation as a value creating process requiring joint collaborations between academia, foundations, associations, developer communities and industry. Additionally, open source software can improve the efficiency and impact of university education by introducing open and freely usable tools and research results to students, and encouraging them to get involved in projects. This may eventually lead to new community projects and businesses. The symposium contributes to the validation of the open source model in research and education in geoinformatics

Enhancing the Use of the Mobile Infrastructure in Cameroon. The Case of Bayam Sellam

The expansion and the reliability of mobile technology in Sub-Sahara Africa - as well as elsewhere - opened up diverse opportunities. For instance, the access to learning material, conduction of commercial activities, promotion of agricultural activities, enhancement of governmental transparency, support of healthcare practices, etc. To harness the existing mobile infrastructure, diverse users are looking for effective and efficient ways, for instance, the Bayam Sellam in Cameroon. Bayam Sellam refers to people engaged in trade between rural and urban markets. This work analyses the usage and development of information and communication technology in Sub-Sahara Africa in general, and the mobile technology and its constraints in particular. An efficient use of the mobile technology depends on appropriate mobile services and applications. These should produce and use local digital content, so as to enhance the use of the existing mobile infrastructure and contribute to satisfy the users' needs. As a case study, we deal with a tailored mobile commerce solution for Bayam Sellam and other related stakeholders such as the governmental department for price regulation. The arising question is how Bayam Sellam can use the mobile devices to improve their business activities and, thereby, use the mobile infrastructure more efficiently. With a questionnaire, we investigate the wishes of 250 Bayam Sellam in Ngaoundere. The aim was to develop a tailored mobile commerce solution called Bayasella for Bayam Sellam. The solution is a hybrid application based on the approach of local data storage, web technologies and frameworks (HTML5, PhoneGap, etc.). Bayasella stores product details offline, and synchronises them with the online database whenever the user wants. The online activities (up/downloading offers) shall be very short so as to minimise charges. Another key issue is: if the provided architecture can be applied to other domains. We put our attention on a combined mobile weather application that impacts the mobile technology and the Bayam Sellam business activities. For this purpose, we combine endogenous qualitative weather data - from ethnic group Tpuri - with existing quantifiable data from established weather forecasting systems, such as World Weather Online

Information visualisation and data analysis using web mash-up systems

A thesis submitted in partial fulfilment for the degree of Doctor of PhilosophyThe arrival of E-commerce systems have contributed greatly to the economy and have played a vital role in collecting a huge amount of transactional data. It is becoming difficult day by day to analyse business and consumer behaviour with the production of such a colossal volume of data. Enterprise 2.0 has the ability to store and create an enormous amount of transactional data; the purpose for which data was collected could quite easily be disassociated as the essential information goes unnoticed in large and complex data sets. The information overflow is a major contributor to the dilemma. In the current environment, where hardware systems have the ability to store such large volumes of data and the software systems have the capability of substantial data production, data exploration problems are on the rise. The problem is not with the production or storage of data but with the effectiveness of the systems and techniques where essential information could be retrieved from complex data sets in a comprehensive and logical approach as the data questions are asked. Using the existing information retrieval systems and visualisation tools, the more specific questions are asked, the more definitive and unambiguous are the visualised results that could be attained, but when it comes to complex and large data sets there are no elementary or simple questions. Therefore a profound information visualisation model and system is required to analyse complex data sets through data analysis and information visualisation, to make it possible for the decision makers to identify the expected and discover the unexpected. In order to address complex data problems, a comprehensive and robust visualisation model and system is introduced. The visualisation model consists of four major layers, (i) acquisition and data analysis, (ii) data representation, (iii) user and computer interaction and (iv) results repositories. There are major contributions in all four layers but particularly in data acquisition and data representation. Multiple attribute and dimensional data visualisation techniques are identified in Enterprise 2.0 and Web 2.0 environment. Transactional tagging and linked data are unearthed which is a novel contribution in information visualisation. The visualisation model and system is first realised as a tangible software system, which is then validated through different and large types of data sets in three experiments. The first experiment is based on the large Royal Mail postcode data set. The second experiment is based on a large transactional data set in an enterprise environment while the same data set is processed in a non-enterprise environment. The system interaction facilitated through new mashup techniques enables users to interact more fluently with data and the representation layer. The results are exported into various reusable formats and retrieved for further comparison and analysis purposes. The information visualisation model introduced in this research is a compact process for any size and type of data set which is a major contribution in information visualisation and data analysis. Advanced data representation techniques are employed using various web mashup technologies. New visualisation techniques have emerged from the research such as transactional tagging visualisation and linked data visualisation. The information visualisation model and system is extremely useful in addressing complex data problems with strategies that are easy to interact with and integrate

Tirta Nirmaya: designing a Malay user-interface using indigenous Jawi script

My project (Tirta Nirmaya) is a design prototype of a mobile application interface based on Jawi script, an ancient Malay indigenous script. The design prototype is the result of my exploration of techniques of designing user interfaces based on Jawi script. It is a culturally important development , because Jawi typography is a communicative and literary tool in the Malay culture , and Jawi has been the intellectual and political conveyor in the history of the Malays. The prototype in Tirta Nirmaya uses poetry as content because in the Malay culture, it is a literary genre that is used to narrate history, mythology, proverb, riddles and folk romances. To complete my research project, I needed to know more about two fields within Human-Computer Interaction – firstly, the development of a sustainable user interface. Secondly, I need to understand how my research can make a novel contribution to the epistemology of user interface design and cultural heritage content among globalised computer users My project involved analysis of the usefulness of Aaron Marcus’ specific guidelines for the critical aspects of globalisation in the user-interface design process. Marcus’ design process guidelines apply to the following functions: user demographics, technology, metaphors, mental models, navigation, interaction and appearance. Marcus and Gould (2012) assert that “global product distribution requires a strategy and tactics for the design process that infuse international and cultural requirements” (p. 343). To create such a strategy, I applied Marcus’ design process guidelines to two case studies. The first case study is the interface of a Malaysian government website (the Jawi Portal). The second case study relates to an interface I have designed for my research project, in order to gain an understanding of the usefulness of the theory and subsequent user-interface design technique for the Malay user. Locating a definitive design guideline for developing a user-interface for the Malay user proved difficult, for several reasons. Firstly, many academics have described the Malay culture as a diverse and complex one within a multicultural society. Artistically, the identity of the Malay culture is infused by other cultures, especially through social and intellectual traditions. While Chinese and Indian Malaysians use their indigenous typography as part of their user-interface, Malays use Latin typography. As a designer, how could I account for this diversity? Aaron Marcus, Ben Shneiderman and Catherine Plaisant recommend establishing design guidelines for multiple language and cultures. Secondly, the dwindling use of Jawi since 2001 among the youth in Malaysia and Brunei complicated the design of the user-interface. Leading cultural academics contend that Jawi is a crucial component of identity for the Malay people, and that the use of Jawi should be sustained by eternalising it in the public domain, which includes the development and use of software applications. Through the development of an application that utilises Jawi script, my aim is to encourage and cultivate the sustainable practice of this aspect of heritage within the multicultural society of Malaysia

ICSEA 2022: the seventeenth international conference on software engineering advances

The Seventeenth International Conference on Software Engineering Advances (ICSEA 2022), held between October 16th and October 20th, 2022, continued a series of events covering a broad spectrum of software-related topics. The conference covered fundamentals on designing, implementing, testing, validating and maintaining various kinds of software. Several tracks were proposed to treat the topics from theory to practice, in terms of methodologies, design, implementation, testing, use cases, tools, and lessons learned. The conference topics covered classical and advanced methodologies, open source, agile software, as well as software deployment and software economics and education. Other advanced aspects are related to on-time practical aspects, such as run-time vulnerability checking, rejuvenation process, updates partial or temporary feature deprecation, software deployment and configuration, and on-line software updates. These aspects trigger implications related to patenting, licensing, engineering education, new ways for software adoption and improvement, and ultimately, to software knowledge management. There are many advanced applications requiring robust, safe, and secure software: disaster recovery applications, vehicular systems, biomedical-related software, biometrics related software, mission critical software, E-health related software, crisis-situation software. These applications require appropriate software engineering techniques, metrics and formalisms, such as, software reuse, appropriate software quality metrics, composition and integration, consistency checking, model checking, provers and reasoning. The nature of research in software varies slightly with the specific discipline researchers work in, yet there is much common ground and room for a sharing of best practice, frameworks, tools, languages and methodologies. Despite the number of experts we have available, little work is done at the meta level, that is examining how we go about our research, and how this process can be improved. There are questions related to the choice of programming language, IDEs and documentation styles and standard. Reuse can be of great benefit to research projects yet reuse of prior research projects introduces special problems that need to be mitigated. The research environment is a mix of creativity and systematic approach which leads to a creative tension that needs to be managed or at least monitored. Much of the coding in any university is undertaken by research students or young researchers. Issues of skills training, development and quality control can have significant effects on an entire department. In an industrial research setting, the environment is not quite that of industry as a whole, nor does it follow the pattern set by the university. The unique approaches and issues of industrial research may hold lessons for researchers in other domains. We take here the opportunity to warmly thank all the members of the ICSEA 2022 technical program committee, as well as all the reviewers. The creation of such a high-quality conference program would not have been possible without their involvement. We also kindly thank all the authors who dedicated much of their time and effort to contribute to ICSEA 2022. We truly believe that, thanks to all these efforts, the final conference program consisted of top-quality contributions. We also thank the members of the ICSEA 2022 organizing committee for their help in handling the logistics of this event. We hope that ICSEA 2022 was a successful international forum for the exchange of ideas and results between academia and industry and for the promotion of progress in software engineering advances

Consumer Data Research

Big Data collected by customer-facing organisations – such as smartphone logs, store loyalty card transactions, smart travel tickets, social media posts, or smart energy meter readings – account for most of the data collected about citizens today. As a result, they are transforming the practice of social science. Consumer Big Data are distinct from conventional social science data not only in their volume, variety and velocity, but also in terms of their provenance and fitness for ever more research purposes. The contributors to this book, all from the Consumer Data Research Centre, provide a first consolidated statement of the enormous potential of consumer data research in the academic, commercial and government sectors – and a timely appraisal of the ways in which consumer data challenge scientific orthodoxies