Feature-based generation of pervasive systems architectures utilizing software product line concepts

As the need for pervasive systems tends to increase and to dominate the computing discipline, software engineering approaches must evolve at a similar pace to facilitate the construction of such systems in an efficient manner. In this thesis, we provide a vision of a framework that will help in the construction of software product lines for pervasive systems by devising an approach to automatically generate architectures for this domain. Using this framework, designers of pervasive systems will be able to select a set of desired system features, and the framework will automatically generate architectures that support the presence of these features. Our approach will not compromise the quality of the architecture especially as we have verified that by comparing the generated architectures to those manually designed by human architects. As an initial step, and in order to determine the most commonly required features that comprise the widely most known pervasive systems, we surveyed more than fifty existing architectures for pervasive systems in various domains. We captured the most essential features along with the commonalities and variabilities between them. The features were categorized according to the domain and the environment that they target. Those categories are: General pervasive systems, domain-specific, privacy, bridging, fault-tolerance and context-awareness. We coupled the identified features with well-designed components, and connected the components based on the initial features selected by a system designer to generate an architecture. We evaluated our generated architectures against architectures designed by human architects. When metrics such as coupling, cohesion, complexity, reusability, adaptability, modularity, modifiability, packing density, and average interaction density were used to test our framework, our generated architectures were found comparable, if not better than the human generated architectures

Istirātījiyyātu al-Nafādi Ilá al-Muʻjami al-Żihnī lada Talāmīżi al-Sanati al-Śāliśati min al-Taʻlīmi al-Śānawī al-Iʻdādiyyi [Mental Lexicon Access Strategies for Students of the Third Year of Preparatory Secondary Education]

Lexical units are organized within the mental lexicon, and the processes of constructing, processing, and accessing them are organized according to extremely complex mental pathways. This requires language speakers to activate them and use them quickly and effectively in their linguistic achievement. The more the speaker's access to his mental lexicon is sound, the more he can communicate successfully in different linguistic contexts. This research paper attempts to contribute to deriving some appropriate strategies for accessing the mental lexicon according to the parametric peculiarities of the Arabic language by linking these strategies to four basic criteria (the criterion of phonetic similarity, the criterion of spelling form, the criterion of semantic similarity, the criterion of grammatical predicate). This study was based on field research that targeted a sample of 40 students belonging to the third year of preparatory secondary education within a Moroccan public educational institution. The study used tests related to linguistic information that allows access to lexical units within the mental lexicon, aiming to analyze and measure them in the student's linguistic achievement. The results revealed that there is a strong influence of standards of access to the mental lexicon on the performance of learners in written expression and that there is a large gap between what is stipulated in educational documents and what students produce in their construction writings based on their level in this academic level

Factors Associated With the General Public Knowledge and Awareness of Cardiovascular Diseases and its Risk Factors in Penang – Malaysia

Cardiovascular diseases(CVDs) are the top of the ten causes of hospital deaths in Malaysia. Increasing knowledge and awareness on CVDs and its risk factors is crucial for the prevention of CVDs. Identification of factors which are associated with the knowledge and awareness is important for the proper design of future awareness programs.This study was carried out to find out factors which are associated with the current knowledge and awareness of cardiovascular diseases (CVDs) and its risk factors among the general public in Penang-Malaysia

The Role of Electronic Assessment in Rising of the Level of Academic Achievement among Female Students from the Point of View of Secondary School Teachers in Hail

The study aimed to identify the role of electronic assessment in raising the level of academic achievement among female students, from the point of view of secondary school teachers in the city of Hail. The study followed the descriptive approach, using the questionnaire as a tool for collecting data. The questionnaire consisted of (45) statements, divided into four axes. They are: the role of assessment through the electronic achievement file in raising the level of academic achievement for secondary school female students, the role of assessment through electronic testing in raising the level of academic achievement for secondary school female students, the role of assessment through the electronic assignments in raising the level of academic achievement for secondary school female students, and finally The most prominent challenges facing electronic assessment to raise the level of academic achievement for female secondary school students. The study sample consisted of the secondary school teachers in the city of Hail, where their number reached (296) teachers. The study found a set of challenges facing electronic assessment, as the study recommended the necessity of working to address the problems of slow Internet speed to run programs related to electronic assessment, and paying attention to providing infrastructure such as computer laboratories and others in secondary schools, working to provide Internet lines and specialized programs, providing the immediate technical support, and interest in providing manuals for using electronic calendar methods

Metabolomics Analysis Of Blood And Urine To Identify Alcohol-Dependence Biomarkers

Penyalahgunaan alkohol boleh membinasakan kesihatan masyarakat dan mengakibatkan masalah sosial yang teruk.Kebergantungan alkohol merupakan fasa penyalahgunaan alkohol sebagai akibat pengambilan alkohol dalam kuantiti yang berlebihan dan sentiasa terdorong untuk mengambil alkohol secara berterusan. Alcohol misuse is a ravaging public health and social problem. Alcoholdependence (AD) is a phase of alcohol misuse in which the drinker consumes excessive amount of alcohol and have a continuous urge to consume alcohol

Identification of Alcohol-Dependence Biomarkers in plasma by using Metabolomics Analysis

The main clinical methods to diagnose Alcohol-dependence (AD) in clinical practice currently depend on AD assessment questionnaires and some biomarkers such as Carbohydrate-Deficient Transferrin (CDT), Gamma Glutamyl Transferase (GGT) and Phosphatidylethanol (PEth). These two methods have been shown to have lack of specificity and sensitivity. Metabolomics technique by using nuclear magnetic resonance spectroscopy (NMR) of plasma can help us to identify novel biomarkers which could help in the more accurate diagnosis of AD

Nuclear magnetic resonance spectroscopy based metabolomics to identify novel biomarkers of alcohol-dependence

Alcohol misuse is a ravaging public health and social problem. Its harm can affect the drinkers and the whole society. Alcohol-dependence is a phase of alcohol misuse in which the drinker consumes excessive amounts of alcohol and has a continuous urge to consume alcohol. Current methods of alcohol dependence diagnoses are questionnaires and some biomarkers. However, both methods lack specificity and sensitivity. Metabolomics is a scientific field which deals with the identification and the quantification of the metabolites present in the metabolome using spectroscopic techniques such as nuclear magnetic resonance (NMR). Metabolomics helps to indicate the perturbation in the levels of metabolites in cells and tissues due to diseases or ingestion of any substances. NMR is one of the most widely used spectroscopic techniques in metabolomics because of its reproducibility and speed. Some recent metabolomics studies were conducted on alcohol consumption and alcohol misuse in animals and humans. However, few focused on identifying alcohol dependence novel biomarkers. A sensitive and specific technique such as NMR based metabolomics applied to find novel biomarkers in plasma and urine can be useful to diagnose alcohol-dependence