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Search Results: 1 - 10 of 70 matches for " Hela Limam "
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A semantic cache for enhancing Web services communities activities: Health care case Study
Hela Limam,Jalel Akaichi
International Journal of Advanced Computer Sciences and Applications , 2012,
Abstract: Collective memories are strong support for enhancing the activities of capitalization, management and dissemination inside a Web services community. To take advantages of collective memory, we propose an approach for indexing a health care Web services community’s’ resources with semantic annotations explaining and formalizing its informative content. Then we show how the health care Web services community’ members exploit their collective memory by expressing their queries allowing them searching relevant resources in order to perform their activities.
Managing and Querying Web Services Communities: A Survey
Hela Limam,Jalel Akaichi
International Journal of Database Management Systems , 2011,
Abstract: With the advance of Web Services technologies and the emergence of Web Services into the informationspace, tremendous opportunities for empowering users and organizations appear in various applicationdomains including electronic commerce, travel, intelligence information gathering and analysis, healthcare, digital government, etc.However, the technology to organize, search, integrate these Web Services has not kept pace with therapid growth of the available information space. The number of Web Services to be integrated may belarge and continuously changing.To ease and improve the process of Web services discovery in an open environment like the Internet, it issuggested to gather similar Web services into groups known as communities.Although Web services are intensively investigated, the community management issues have not beenaddressed yetIn this paper we draw an overview of several Web services Communities’ management approachesbased on some currently existing communities platforms and frameworks. We also discuss differentapproaches for querying and selecting Web services under the umbrella of Web services communities’.We compare the current approaches among each others with respect to some key requirements.
Web Services Synchronization Health Care Application
Jalel Akaichi,Hela Limam
International Journal of Web & Semantic Technology , 2011,
Abstract: This With the advance of Web Services technologies and the emergence of Web Services into theinformation space, tremendous opportunities for empowering users and organizations appear in variousapplication domains including electronic commerce, travel, intelligence information gathering andanalysis, health care, digital government, etc. In fact, Web services appear to be s solution for integratingdistributed, autonomous and heterogeneous information sources. However, as Web services evolve in adynamic environment which is the Internet many changes can occur and affect them. A Web service isaffected when one or more of its associated information sources is affected by schema changes.Changes can alter the information sources contents but also their schemas which may render Web servicespartially or totally undefined. In this paper, we propose a solution for integrating information sources intoWeb services. Then we tackle the Web service synchronization problem by substituting the affectedinformation sources. Our work is illustrated with a healthcare case study.
Managing and Querying Web Services Communities: A Survey
Hela Limam,Jalel Akaichi
Computer Science , 2011,
Abstract: With the advance of Web Services technologies and the emergence of Web Services into the information space, tremendous opportunities for empowering users and organizations appear in various application domains including electronic commerce, travel, intelligence information gathering and analysis, health care, digital government, etc. However, the technology to organize, search, integrate these Web Services has not kept pace with the rapid growth of the available information space. The number of Web Services to be integrated may be large and continuously changing. To ease and improve the process of Web services discovery in an open environment like the Internet, it is suggested to gather similar Web services into groups known as communities. Although Web services are intensively investigated, the community management issues have not been addressed yet In this paper we draw an overview of several Web services Communities' management approaches based on some currently existing communities platforms and frameworks. We also discuss different approaches for querying and selecting Web services under the umbrella of Web services communities'. We compare the current approaches among each others with respect to some key requirements.
Web services synchronization health care application
Hela Limam,Jalel Akaichi
Computer Science , 2011, DOI: 10.5121/ijwest.2011.2204
Abstract: With the advance of Web Services technologies and the emergence of Web Services into the information space, tremendous opportunities for empowering users and organizations appear in various application domains including electronic commerce, travel, intelligence information gathering and analysis, health care, digital government, etc. In fact, Web services appear to be s solution for integrating distributed, autonomous and heterogeneous information sources. However, as Web services evolve in a dynamic environment which is the Internet many changes can occur and affect them. A Web service is affected when one or more of its associated information sources is affected by schema changes. Changes can alter the information sources contents but also their schemas which may render Web services partially or totally undefined. In this paper, we propose a solution for integrating information sources into Web services. Then we tackle the Web service synchronization problem by substituting the affected information sources. Our work is illustrated with a healthcare case study.
A semantic cache for enhancing Web services communities activities: Health care case study
Hela Limam,Jalel Akaichi
Computer Science , 2012,
Abstract: Collective memories are strong support for enhancing the activities of capitalization, management and dissemination inside a Web services community.
Consensus Decision for Protein Structure Classification  [PDF]
Khaddouja Boujenfa, Mohamed Limam
Journal of Intelligent Learning Systems and Applications (JILSA) , 2012, DOI: 10.4236/jilsa.2012.43022
Abstract: The fundamental aim of protein classification is to recognize the family of a given protein and determine its biological function. In the literature, the most common approaches are based on sequence or structure similarity comparisons. Other methods use evolutionary distances between proteins. In order to increase classification performance, this work proposes a novel method, namely Consensus, which combines the decisions of several sequence and structure comparison tools to classify a given structure. Additionally, Consensus uses the evolutionary information of the compared structures. Our method is tested on three databases and evaluated based on different criteria. Performance evaluation of our method shows that it outperforms the different classifiers used separately and gives higher classification perfor-mance than a free-alignment method, namely ProtClass.
The Effect of Novel Low Energy Pulsed Light Combined with Galvanic Energy for Home-Use Hair Removal of Dark Skin  [PDF]
Michael H. Gold, Hela Goren
Journal of Cosmetics, Dermatological Sciences and Applications (JCDSA) , 2015, DOI: 10.4236/jcdsa.2015.54034
Abstract: Background and Objectives: Permanent reduction of unwanted hair on skin types V and VI is the most challenging procedure among all hair removal technologies based on selective absorption of light or laser. The objective of this study is to evaluate the safety and efficacy of a low energy pulsed-light device combined with galvanic energy, intended for home-use hair removal on dark skin. Materials and Methods: Fifteen women with skin types V and VI and dark terminal hair in axillaarea self-administrated 6 treatments at 2 week intervals, using a hand-held IPL combined with galvanicenergy device, using HPL (Home Pulsed Light) technology. Hair count and photographs were performed pre-treatment and 1 and 3 months after the last sixth treatment. Adverse events and subject satisfaction scores were recorded. Results: All patients showed a positive clinical response to treatment, with reduction of unwanted hair. Hair counts were significantly reduced by 57.3% 1 month following last treatment and by 44.5% 3 months following last treatment. No adverse events were recorded. Subject satisfaction scores of the device usability and the treatment outcome were high. Conclusions: Low energy pulsed light combined with galvanic energy may be applied safely and effectively for at-home hair removal for people with dark skin types V and VI.
Integrating Health Theories in Health and Fitness Applications for Sustained Behavior Change: Current State of the Art  [PDF]
Angela Brunstein, Joerg Brunstein, Selma Limam Mansar
Creative Education (CE) , 2012, DOI: 10.4236/ce.2012.38B001
Abstract: Two hundred million people in the US are overweight or obese mirroring a worldwide trend that is associated with high morbidity and mortality rates. Health and fitness mobile technology applications have great capacities for supporting dieters’ life-style changes and could profit from and provide input of health behavior theories. Those theories have been demonstrated with massive clinical evidence to be efficient for fostering healthy lifestyle changes and weight loss. This research reviewed the 100 most popular mobile technology applications from iTunes App Store’s Health and Fitness category in respect coverage of health behavior theories’ concepts und chose 14 of those for a complete analysis. Applications provide good support for athletes’ workouts and have great potential to be extended to serve overweight users as well. Missing features could be easily implemented given the current state of technology. These developments look promising for tackling sustained weight loss in many mobile technology users.
AN EXTENSION AND IMPROVEMENT OF THE CLOUDSIM SIMULATOR
Ghalem Belalem,Said Limam
International Journal of Digital Information and Wireless Communications , 2011,
Abstract: Cloud computing has become a signi cant technology trend. With the cloud computing technology, users use a variety of devices to access programs, storage, and application- development platforms over the Internet, via services offered by cloud computing providers. Advantages of the cloud computing technology include cost savings and high availability. Access to the infrastructure in Cloud Computing incurs payments. To design and develop Cloud technologies focus on defining novel methods, policies and mechanisms for efficiently managing Cloud infrastructures. To test these newly developed methods and policies, researchers need tools that allow them to evaluate the hypothesis prior to real deployment in an environment where one can reproduce tests free of cost. Simulation- based approaches offer significant benefits. CloudSim enables seamless modeling, simulation, and experimentation of emerging Cloud computing infrastructures and application services. In the CloudSim simulator there are two problems: Lack of links between Datacenters and no possibility to create a virtual machine (VM) in more Datacenters. In this paper we propose a ring topology to allow the exchange and the sharing of information and services between different Datacenter, and we improve the method of creating VMs to allow the creation of VMs in several Datacenter, which improves fault tolerance in this type of environment.
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