2015 5th World Congress on Information and Communication Technologies (WICT)最新文献_第2页

A dynamic group privacy protection mechanism based on cloud model 一种基于云模型的动态组隐私保护机制

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489650

Ruxiang Zhai, Kun Zhang, Mingjun Liu

引用次数: 0

Improvement of location aided routing protocol in Vehicular Ad Hoc Networks on highway 高速公路车载自组网中位置辅助路由协议的改进

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489644

M. Nabil, A. Hajami, Abdlakrim Haqiq

{"title":"Improvement of location aided routing protocol in Vehicular Ad Hoc Networks on highway","authors":"M. Nabil, A. Hajami, Abdlakrim Haqiq","doi":"10.1109/WICT.2015.7489644","DOIUrl":"https://doi.org/10.1109/WICT.2015.7489644","url":null,"abstract":"Vehicular Ad Hoc Network (VANET) is an instance of MANETs that establishes wireless connections between vehicles. Recently, it was shown for the case of highway traffic that position-based routing protocols can very well deal with the high mobility of network vehicles. In VANETs, these routing protocols must be adapted to vehicular-specific capabilities and requirements. As many previous works have shown, routing performance is greatly dependent on the availability and stability of wireless links. This work proposes a small extension to the Location Aided Routing (LAR) protocol specific to highway scenarios. We seek to improve the stability of path between sources and destinations by removing from the paths the nodes that move in opposite direction of the source movement. The performance metrics such as average delay of stability path between source and destination, packet delivery ratio (PDR), throughput, and normalized routing load (NRL) are measured using ns2. The Intelligent Driver Model with Lane Changing (IDM_LC) based on VanetMobiSim tool is used to generate realistic mobility traces in highway.","PeriodicalId":246557,"journal":{"name":"2015 5th World Congress on Information and Communication Technologies (WICT)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131911085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Optimisation of the queries execution plan in cloud data warehouses 优化云数据仓库中的查询执行计划

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489659

Ettaoufik Abdelaziz, Ouzzif Mohamed

{"title":"Optimisation of the queries execution plan in cloud data warehouses","authors":"Ettaoufik Abdelaziz, Ouzzif Mohamed","doi":"10.1109/WICT.2015.7489659","DOIUrl":"https://doi.org/10.1109/WICT.2015.7489659","url":null,"abstract":"Our everyday massive data processing activities and making correct decisions require a specific work environment. The cloud computing provides a flexible environment for customers to host and process their information through an outsourced infrastructure. This information was habitually located on local servers. Many applications dealing with massive data is routed to the cloud. Data Warehouse (DW) also benefit from this new paradigm to provide analytical data online and in real time. DW in the Cloud benefited of its advantages such flexibility, availability, adaptability, scalability, virtualization, etc. Improving the DW performance in the cloud requires the optimization of data processing time. The classical optimization techniques (indexing, materialized views and fragmentation) are still essential for DW in the cloud. The DW is partitioned before being distributed across multiple servers (nodes) in the Cloud. When queries containing multiple joins or ask voluminous data stored on multiple nodes, inter-node communication increases and consequently the DW performance degrades. In this paper, we propose an approach for improving the performance of DW in the cloud. Our approach is based on a classification technique of requests received by the nodes. For this purpose we use an algorithm based on the MapReduce programming model, this algorithm allows to identify the list of requests sent to the DW hosted in the cloud, and classify queries by the publication frequency. From the list of search queries we propose a partitioning scheme of DW on different nodes in order to reduce the inter-node communication and therefore minimize the queries processing time.","PeriodicalId":246557,"journal":{"name":"2015 5th World Congress on Information and Communication Technologies (WICT)","volume":"94 S87","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132905851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Tr-OrBAC: A trust model for collaborative systems within critical infrastructures Tr-OrBAC:关键基础设施内协作系统的信任模型

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489657

Nawal Ait Aali, A. Baina, L. Echabbi

引用次数: 7

Formal analysis of SEP protocol using the interpretation function-based method 采用基于解释函数的方法对SEP协议进行形式化分析

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489637

Houssam El Ismaili, H. Houmani, Hicham Madroumi

引用次数: 0

Study of the credibility of the information shared by a wireless sensor network 研究无线传感器网络共享信息的可信度

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489655

Lahma Karim, H. Mohamed, Belhaddaoui Hicham

引用次数: 1

Perspectives on the implementation of standardization within the UK library RFID market 对英国图书馆RFID市场实施标准化的看法

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489662

Ian Pratt, Shiyun Zhong

引用次数: 2

Toward a multi-tenant college sustained team seeking system 向着多租户高校持续寻人系统的方向发展

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489638

Shuwei Yao, Kun Ma, Zhe Yang, A. Abraham

引用次数: 0

Using cloud SaaS to ensure interoperability and standardization in heterogeneous Cloud based environment 使用云SaaS来确保异构云环境中的互操作性和标准化

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489640

Elhozmari Majda, Ettalbi Ahmed

{"title":"Using cloud SaaS to ensure interoperability and standardization in heterogeneous Cloud based environment","authors":"Elhozmari Majda, Ettalbi Ahmed","doi":"10.1109/WICT.2015.7489640","DOIUrl":"https://doi.org/10.1109/WICT.2015.7489640","url":null,"abstract":"During the last years, because of the evolution of Cloud applications and the attractive advantages given to consumers, many companies outsource their data and Information Technology (IT) system to the Cloud based technology. With the growth in the number of Cloud Service Providers, many enterprises and organizations can use and associate services from multiple providers. There may be many Internet protocols for service access standards that are used to ensure interoperability between users browser and Web server, such as Representational State Transfer (REST) and Simple Object Access Protocol (SOAP). Each service has its specific characteristics such as authentication and security requirements. Hence, Cloud providers attempt to lock customers into proprietary interfaces so consumers can find themselves at not expects inevitable vendor lock-in. Therefore, the focus of our paper is to propose a solution to this problem by using Cloud intermediate between Cloud providers and consumer in heterogeneous Cloud environments interfaces. This is to achieve benefits such as standardization and interoperability, minimizing lock-in of Cloud providers. To reach such benefits, we propose a Cloud SaaS based on two interfaces and an internet component. These interfaces are used in Cloud Consumer and Provider sides and therefore guarantee communication between Cloud Consumer and Provider using different Internet protocols for Web service access such as REST and SOAP. Our approach guarantees interoperability and standardization in heterogeneous Cloud based environments because in this case Cloud Consumer and Provider using REST interface can communicate easily with Cloud Provider and Consumer using SOAP interface.","PeriodicalId":246557,"journal":{"name":"2015 5th World Congress on Information and Communication Technologies (WICT)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123256123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Model-to-model transformation in approach by modeling: From UML model to Model-View-Presenter and Dependency Injection patterns 通过建模的方法中的模型到模型转换:从UML模型到模型-视图-表示器和依赖注入模式

2015 5th World Congress on Information and Communication Technologies (WICT) Pub Date : 2015-12-01 DOI: 10.1109/WICT.2015.7489648

R. Esbai, M. Erramdani

{"title":"Model-to-model transformation in approach by modeling: From UML model to Model-View-Presenter and Dependency Injection patterns","authors":"R. Esbai, M. Erramdani","doi":"10.1109/WICT.2015.7489648","DOIUrl":"https://doi.org/10.1109/WICT.2015.7489648","url":null,"abstract":"The continuing evolution of business needs and technology makes Web applications more demanding in terms of development, usability and interactivity of their user interfaces. The complexity and diversity of these applications emerges the need of flexibility and combining operations with existing models to create other new, more complex models. As more complex models are used, the importance of transformations between models grows. This paper presents the application of the MDA (Model Driven Architecture) to generate, from the UML model, the code following the MVP (Model-View-Presenter), DI (Dependency Injection) and DAO (Data Access Object) patterns for a RIA (Rich Internet Application) using the standard MOF 2.0 QVT (Meta-Object Facility 2.0 Query-View-Transformation) as a transformation language. We adopt GWT (Google web Toolkit), Spring and Hibernate as a Frameworks for creating a target meta-model to generate an entire GWT-based N-tiers web application. That is why we have developed two meta-models handling UML class diagrams and N-tiers Web applications, then we have to set up transformation rules. The transformation rules defined in this paper can generate, from the class diagram, an XML file containing the Presentation, the Business, and the Data Access package. This file can be used to generate the necessary code of a RIA N-tiers web application.","PeriodicalId":246557,"journal":{"name":"2015 5th World Congress on Information and Communication Technologies (WICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129226115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4