S Bouakline, ابتسام عامر, شهرزاد معزوز

كلية العلوم الاقتصادية والتجارية والإدارة-جامعة عبد الرحمان ميرة - بجاية · الجزائر

L'assurance est une technique fondée sur l'esprit de solidarité. En effet, l'assurance est l'opération par laquelle une entreprise d'assurance organise en mutualité un ensemble d'individus et/ou d'entreprises exposés aux mêmes risques et repartit ces risques et les compense selon la loi statistique des grands nombres, à l'aide d'un fonds alimenté par des primes ou des cotisations collectées au préalable.A cet effet L'objectif de ce présent travail est de fairela présentation du secteur des assurances et la sinistralité automobiles en Algérie en essayant de chercher les variable lié au conducteur qui déterminants la sinistralité en assurance automobile en Algérie, nous avons obtenu le résultat essentiel suivant La nature de la sinistralité des assurances automobile en Algérie pourra avoir un effet positif sur le comportement de l'assuré L'assurance des véhicules automobiles, est une activité qui intéresse un large public et qui est en même temps un sujet de discussion et de controverses quotidiennes.

ياسين نايلي , أيمن رمون, فطيمة الأسود

كلية العلوم الانسانية والاجتماعية-جامعة قاصدى مرباح ورقلة · الجزائر

هدفت هذه الدراسة إلى معرفة اثر استخدام موقع الانستغرام على القيم الأخلاقية للطلبة الجامعيين، ذلك من خلال التساؤل الرئيسي التالي ما هو اثر استخدام موقع الانستغرام على القيم الأخلاقية للطلبة الجامعيين بقسم علوم الإعلام والاتصال جامعة قاصدي مرباح ورقلة؟وبهدف الوصول إلى نتائج الدراسة تم استخدام المنهج الوصفي، وتمثل مجتمع الدراسة في طلبة قسم علوم الإعلام والاتصال بجامعة. قاصدي مرباح بورقلة ،ونظرا للحجم الكبير لمجتمع البحث وصعوبة الوصول إليه اخترنا العينة العشوائية البسيطة ،تمثلت في 85 مفردة من طلبة قسم علوم الإعلام والاتصال حيث قمنا بتوزيع استمارة الاستبيان المتكونة من 22 سؤال ، وقد تم تفريغ بياناتها وتحليلها كميا وكيفيا للتحصل على مجموعة من النتائج أهمها :أن موقع الانستغرام يؤثر على القيم الأخلاقية لدى الطلبة الجامعيين.ولقد استنتجنا أن الانستغرام له تأثير إيجابي على طلبة وهذا راجع إلى وعي الطالب الجامعي واختياره لمضامين و محتوى هادف و أخلاقي و نظرا لاعتبارهم هم نخبة المجتمع و إطارات المستقبل. كما يمكن القول هناك تناسق وتكامل بين استخدامات طلبة لإنستغرام و القيم الأخلاقية اشباعاتهم

Ashraf Abdebar, خالد مجدي نجيب سلامة

كلية العلوم والهندسة-الجامعة الأمريكية بالقاهرة · مصر

Ant-Miner is an application of ACO in data mining. It has been introduced by Parpinelli et al. in 2002 as an ant-based algorithm for the discovery of classification rules. Ant-Miner has proved to be a very promising technique for classification rules discovery. Ant-Miner generates a fewer number of rules, fewer terms per each rule and performs competitively in terms of efficiency compared to the C4.5 algorithm (see experimental results in [20]). Hence, it has been a focus area of research and a lot of modification has been done to it in order to increase its quality in terms of classification accuracy and output rules comprehensibility (reducing the size of the rule set).The thesis proposes five extensions to Ant-Miner. 1) The thesis proposes the use of a logical negation operator in the antecedents of constructed rules, so the terms in the rule antecedents could be in the form of . This tends to generate rules with higher coverage and reduce the size of the generated rule set. 2) The thesis proposes the use stubborn ants, an ACO-variation in which an ant is allowed to take into consideration its own personal past history. Stubborn ants tend to generate rules with higher classification accuracy in fewer trials per iteration. 3) The thesis proposes the use multiple types of pheromone; one for each permitted rule class, i.e. an ant would first select the rule class and then deposit the corresponding type of pheromone. The multi-pheromone system improves the quality of the output in terms of classification accuracy as well as it comprehensibility. 4) Along with the multi-pheromone system, the thesis proposes a new pheromone update strategy, called quality contrast intensifier. Such a strategy rewards rules with high confidence by depositing more pheromone and penalizes rules with low confidence by removing pheromone. 5) The thesis proposes that each ant to have its own value of α and β parameters, which in a sense means that each ant has its own individual personality.In order to verify the efficiency of these modifications, several cross-validation experiments have been applied on each of eight datasets used in the experiment. Average output results have been recorded, and a test of statistical significance has been applied to indicate improvement significance. Empirical results show improvements in the algorithm's performance in terms of the simplicity of the generated rule set, the number of trials, and the predictive accuracy.

اشرف شيكدار, يوسف محمد سالم

كلية الهندسة-جامعة السلطان قابوس · عمان

The oil and gas industry is very well known for taking care of the well-being of its employees. However, the nature of the working environment in the oil and gas industry in the Arabian Gulf, which is dominated by either harsh desert environment or by stressful office work, gives more chance for occupational health diseases to be present, perhaps more than other industries and working environments, leading to inevitable dangers. There were a number of studies that looked into the impact of working schedules on employees' health, but they focused on the offshore North Sea environment. To date, there is no comprehensive study that has been performed on such impact on onshore-based employees specifically in the Gulf region. This study utilised the information and studies available on the offshore working environment as a guideline.First, a statistical analysis was carried out on the records of 4700 employees of Petroleum Development Oman (PDO). The purpose of the analysis was to establish the main information on employees (gender, nationality and working schedule).Then, a survey was conducted and 172 responses were received. The purpose of the study was to gather and analyse data on employees related to occupational health cases. Information like gender, Body Mass Index, nationality, working schedule, job and qualification were collected. The survey also included sections on employees' occupational health diseases, satisfaction at work and preferred working schedule.Finally, the occupational health records, obtained from PDO's medical department, for the last few years were analysed and also the survey results were analysed and both sets of data were compared.The conclusion from this study is that the majority of the PDO employees suffer from several occupational health diseases. At the top of the list is stress at 42%. This represents a high frequency of stress cases. The other top four reported diseases in ranking order are back pain, headaches, Repetitive Strain Injury (RSI) and musculoskeletal diseases. The key recommendation from the study is that measures to provide a solution to 'arrest or reduce stress at work must be put in place in order for PDO to improve its work efficiency. This can be done by reviewing the work load and reducing bureaucracy at work. The flexible time introduced in PDO coastal location is not largely utilised and must be either changed or made more flexible. Ergonomics at PDO must be looked at continuously in order to reduce the number of back pain,Repetitive Strain Injuries and musculoskeletal cases.Finally, the study recommends that PDO should consider to stop using what was found to be a stressful schedule by other similar studies. This is the 62/29 schedule which requires employees from Asian countries to work continuously in the desert for 62 days 12-hours a day followed by 29 days of leave.

عيدة داودي, نجمة بوصوار

كلية العلوم الاجتماعية-جامعة عبد الحميد بن باديس مستغانم · الجزائر

Fafa Sihem Lakhal, Tayeb Brahim

كلية اللغات الأجنبية-جامعة عبد الحميد بن باديس مستغانم · الجزائر

La culture fait partie de la société ou nous vivons dans ce monde, avoir des connaissances et être cultivé est un privilège dans la société la diversité culturelle demeure une réalité à laquelle nous ne pouvons échapper. Un contexte dans lequel l’école est désormais au cœur des enjeux culturels dont le devoir est de voir quel individu elle doit former pour la société de demain.La langue est tout d’abord une culture à travers laquelle chaque individu fait ressortir son identité son vécu et son histoire afin de projeter l’avenir.Pour ce qui est de l’enseignement des langues étrangères, objet de nos différentes recherches, l’objectif se veut de préparer l’apprenant à la rencontre de l’autre qui dispose d’une culture qui lui est inconnue. (introduction de l'auteur).

Ben Khaled Abderrahim, Imane Youcefi, Nawal Mekki

كلية العلوم-جامعة محمد بوضياف - المسيلة · الجزائر

Le présent travail nous a permis de renforcer nos connaissances sur l’iode et son rôle dans l'organisme humain(particulièrement dans la synthèse d’hormones thyroïdiennes par la glande thyroïde) et conséquences du manque d’iode (maladies), l’alimentation joue un rôle crucial dans la combattre les maladies lie par carence d’un des oligo-éléments dans l'organisme. La thyroïde a besoin d’une quantité suffisante d’iode, pour les synthèses de ces hormones· La carence iodée est un véritable problème de santé publique qui engendre le développement de trois maladies qui sont le goitre et l’hypothyroïdie le crétinisme. L’introduction de l’iode dans l’alimentation via le sel peut diminue l'apparition de ces maladies.

عباس أبو شامة عبد المحمود, عبد الله بن الحميدي العريفي

كلية الدراسات العليا-جامعة نايف العربية للعلوم الأمنية · السعودية

فتيحة بن داحي, بكير قشار, مليكة بلقناديل

كلية العلوم الاجتماعية والإنسانية-جامعة غرداية · الجزائر

نوف الاحمد, باسم محسن عمار, محمد محمد

جامعة طرطوس · سوريا