60 resultados para peer-to-peer communication


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This article aims to discuss how communication can contribute effectively with education in cyberculture, by design of educational environments that are configured according to the specific language of cyberspace. We consider digital technologies as language and therefore as forms of communication. As a theoretical basis, we use Peircean semiotics, for questions relating to language; the concept of technologies of intelligence, to the relation of the technique with digital media and the concepts of emergency and of transmiting architecture to think of cyberspace communication interfaces. We made a brief reflection on the political, administrative, social, cultural and economic problems that hinder the development of more appropriate forms of education for cyberculture. Then we point out some similarities between the fields of education and communication and made some observations about qualities of digital media that can contribute to a mbetter use of it as an educational tool. Finally, we indicate an educational and communicational gaming approach as a possible way to make communication technologies interactive audiovisual interfaces, able to educate in the age of cyberculture.

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This research has as its main reference, the need to detect the development initiatives by public higher education, concepts, methods and teaching and pedagogical tools and to investigate the ability to transfer knowledge and practices of teaching and learning produced for other levels education. The task of providing appropriate training of teachers of basic education to university education is a vital political and administrative demands for a large country, which needs to adequately educate its people, so he can face in the right conditions, the huge and complex demands of regional and national development. The research presented here, aims to gauge the extent and adequacy of current media and information as tools for teaching and pedagogical transfer the knowledge and practices of teaching and learning as a tool for updating and also for training or non-presence blended Primary School Teacher Education. From the established goals will be carried out research, conceptual and field, to analyze and evaluate some educational practices and resulting forms of communication and also to assess the effects brought about by replacing the linear communication model and the model of unilateral to multilateral communication networks on digital models, and practices of schooling. The results obtained from both theoretical and practical will be on the selection of concepts, content production, methodologies and resources run by different "means" integrated with the cultural, economic and social development, both locally, regionally or nationally. The strategic aim will be to expand from the analysis, production and dissemination of concepts, methods and tools made by teachers of Basic Education and Higher Education, teaching and pedagogical possibilities of media and digital devices that are emerging as the derivation of network communication.

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The quantitative research conducted on communication in organizations from bauruenses has served as inspiration for: the development of applied research regarding Brazilian organizational reality, to the communication courses and on the improvements in the communication aspect of the organizations in the region. The goal is to provide information related t the role of organizational communication and the public relations role in this process, measuring the empowerment of this community. The mapping methodology is based on structured questionnaires in order to capture ordinary factors, active and retroactive, from the communication processes such as: relationship types, channels and media, degree of interaction and interdependence between the parties; types of public involved in the process and the expectations of the organization in relation to goals, objectives, actions, events and activities programmed in communication. For the delineation of a reflective proposal from the data, we chose to work on analyzing three dimensions: the strategic communication, linked to the business model and information technologies; the internal communication, linked to culture, to the organizational structure and management that implies the new paradigms of relationship; and lastly, the intention to materialize the collected data on indicators and scales from attributes caused or inhibited from the excellent communication, including evaluation of the practice of Public Relations. This article presents the main results related to micro companies in Bauru, São Paulo.

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This text is part of ongoing research that aims to verify the constitutional regulation of the communication rights, elaborated by constituent process on 87/88. For hypothesis, the research considers that was the intention of the constituent regulate the rights related to the communication. To fulfill to these objectives the research analyzes the legislative proposals and debates during the constituent process, related to the regulation of communication rights. In this text specifically will be presented the results of the research the parliamentary debates that had occurred in the plenary of the National Constituent Assembly. The partial results of the research point that the constituent intended to impose a social control to the communication rights, corroborating in this way this hypothesis of the research.

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This undergraduate research final paper analyzed the communication process carried out by the São Paulo State Water and Sanitation Company - Sabesp from the perspective of public communication, social capital and right to information theories. By monitoring Sabesp's institutional fanpage and website from 24 to 30 August 2015, it sought to assess the performance of Sabesp in disclosing public information on the context of the water supply crisis in São Paulo, concerning the fulfillment of requirements of the Right to Information Law (12.527/2011) and the need for interaction and dialogue between the institution and its stakeholders, taken as principles of public communication. The results suggest that digital media can enhance information flow and contribute to foster public relations and civic participation, but there are opportunities for Sabesp to improve communication and reach greater transparency

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Pós-graduação em Ciência da Computação - IBILCE

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Despite the abundant availability,of protocols and application for peer-to-peer file sharing, several drawbacks are still present in the field. Among most notable drawbacks is the lack of a simple and interoperable way to share information among independent peer-to-peer networks. Another drawback is the requirement that the shared content can be accessed only by a limited number of compatible applications, making impossible their access to others applications and system. In this work we present a new approach for peer-to-peer data indexing, focused on organization and retrieval of metadata which describes the shared content. This approach results in a common and interoperable infrastructure, which provides a transparent access to data shared on multiple data sharing networks via a simple API. The proposed approach is evaluated using a case study, implemented as a cross-platform extension to Mozilla Fir fox browser; and demonstrates the advantages of such interoperability over conventional distributed data access strategies.

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Despite the abundant availability of protocols and application for peer-to-peer file sharing, several drawbacks are still present in the field. Among most notable drawbacks is the lack of a simple and interoperable way to share information among independent peer-to-peer networks. Another drawback is the requirement that the shared content can be accessed only by a limited number of compatible applications, making impossible their access to others applications and system. In this work we present a new approach for peer-to-peer data indexing, focused on organization and retrieval of metadata which describes the shared content. This approach results in a common and interoperable infrastructure, which provides a transparent access to data shared on multiple data sharing networks via a simple API. The proposed approach is evaluated using a case study, implemented as a cross-platform extension to Mozilla Firefox browser, and demonstrates the advantages of such interoperability over conventional distributed data access strategies. © 2009 IEEE.

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A significant set of information stored in different databases around the world, can be shared through peer-topeer databases. With that, is obtained a large base of knowledge, without the need for large investments because they are used existing databases, as well as the infrastructure in place. However, the structural characteristics of peer-topeer, makes complex the process of finding such information. On the other side, these databases are often heterogeneous in their schemas, but semantically similar in their content. A good peer-to-peer databases systems should allow the user access information from databases scattered across the network and receive only the information really relate to your topic of interest. This paper proposes to use ontologies in peer-to-peer database queries to represent the semantics inherent to the data. The main contribution of this work is enable integration between heterogeneous databases, improve the performance of such queries and use the algorithm of optimization Ant Colony to solve the problem of locating information on peer-to-peer networks, which presents an improve of 18% in results. © 2011 IEEE.

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In a peer-to-peer network, the nodes interact with each other by sharing resources, services and information. Many applications have been developed using such networks, being a class of such applications are peer-to-peer databases. The peer-to-peer databases systems allow the sharing of unstructured data, being able to integrate data from several sources, without the need of large investments, because they are used existing repositories. However, the high flexibility and dynamicity of networks the network, as well as the absence of a centralized management of information, becomes complex the process of locating information among various participants in the network. In this context, this paper presents original contributions by a proposed architecture for a routing system that uses the Ant Colony algorithm to optimize the search for desired information supported by ontologies to add semantics to shared data, enabling integration among heterogeneous databases and the while seeking to reduce the message traffic on the network without causing losses in the amount of responses, confirmed by the improve of 22.5% in this amount. © 2011 IEEE.

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The development of new technologies that use peer-to-peer networks grows every day, with the object to supply the need of sharing information, resources and services of databases around the world. Among them are the peer-to-peer databases that take advantage of peer-to-peer networks to manage distributed knowledge bases, allowing the sharing of information semantically related but syntactically heterogeneous. However, it is a challenge to ensure the efficient search for information without compromising the autonomy of each node and network flexibility, given the structural characteristics of these networks. On the other hand, some studies propose the use of ontology semantics by assigning standardized categorization of information. The main original contribution of this work is the approach of this problem with a proposal for optimization of queries supported by the Ant Colony algorithm and classification though ontologies. The results show that this strategy enables the semantic support to the searches in peer-to-peer databases, aiming to expand the results without compromising network performance. © 2011 IEEE.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Ciência da Computação - IBILCE

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Pós-graduação em Ciência da Computação - IBILCE