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Engenharia e Tecnologia da Informação INCT – Institutos Nacionais de Ciência e Tecnologia INCT – Institutos Nacionais de Ciência e Tecnologia Engenharia e Tecnologia da Informação Cristiano Krug, João H. Zimnoch dos Santos, Carlos Fortis Kwietniewski, Dante Franceschini, Valdir Soldi, Claudia Trindade Oliveira, Izabel Cristina Riegel, Amilton Sinatora, Roberto Martins de Souza, Paulo Mei, Carlos Figueroa, Israel J. R. Baumvol, Cláudio Perottoni, Giovanna Machado, Marcelo Eduardo Maia Costa, Fernando Lázaro Freire Jr, Monica de Mesquita Lacerda, Julio Pureza, Francisco Marques, Clodomiro Alves, Vladimir Jesus Trava-Airoldi Main research topics Surface engineering is widely used in industrial production of developed countries. Surface engineering is the technology of preparation and modification of engineering devices that fulfills specific functions without significant change in the component dimensions. It provides technological advantage and produces effective solutions in several industrial sectors like, oil and gas industry, aeronautic and aerospace, car industry, micro and nanoelectronics, etc. The project of INES consists of three main research areas: 1) functionalization, 2) protection and 3) metrology of surfaces from both fundamental and technological standpoints. Summary of achievements and perspectives The INES has stimulated and/or started a series of activities such as collaboration between high qualified research groups from different institutions. It was also present in industrial exhibitions (Plastech 2009, for example), technical courses and it had a strong interaction with companies from metal-mechanics and polymer transformation area. We advanced in the description of the thermal stability of surfaces and interfaces that are relevant for (nano)electronics. We have studied the semiconductors SiC and Ge; the dielectrics LaLuO3, HfO2, Al2O3, and SiON; and the metal Pt. By understanding the transport of oxygen, nitrogen, hydrogen, and different heavier elements in these materials we expect to contribute for their use in electronic devices that provide high performance and low power consumption. Besides the development of new deposition processes and surface treatments based on cold plasmas with potential applications in metal-mechanics, textile and biomedical industries, INES researchers developed a new high performance coating: diamond-like carbon (DLC)-nanodiamond composite films which are promising materials for tribological applications. Further improvement on DLC and titanium-based coatings are expected as a result of the present investigations. We are developing a new technique to characterize nanostructures on a surface using medium-energy ion scattering. We have already determined shape and size distribution of the Au nanoparticles(NPs) adsorbed on a multilayered film of weak polyelectrolyteis and Pb nanoislands at Si/SiO2 interface. The results are very promising and open new perspectives to analyze core-shell NPs and to investigate the formation of nanostructures in situ. Perottoni, J.E. Zorzi,, G.V. Soares, I.J.R. Baumvol, Journal of Materials Research 24, 2021 (2009). 4) Characterization of nanoparticles through medium-energy ion scattering, M. A. Sortica, P. L. Grande, G. Machado, L. Miotti, Journal of Applied Physics 106, 114320 (2009). Contacts Departamento de Física, PUC-Rio Rua Marquês de São Vicente, 225 22451-900, Rio de Janeiro, RJ, Brasil Fone: +55-21-35271272, Fax: +55-21-35271040 e-mail: lazaro@vdg.fis.puc-rio.br Assessoria de comunicação: Veronica Savignano e-mail: vero.savignano@gmail.com http://www.engenhariadesuperficies.com.br/ Tratamento de superfície metálica por plasma de nitrogênio National Institute of Science and Technology for the Web – INWeb Management committee Virgílio Almeida (Coordinator) Nívio Ziviani (Vice-coordinator) Alberto Laender Edleno S.de Moura José Palazzo de Oliveira Cristina Duarte Murta (2) User Behavior and Interaction Modeling, (3) Information Retrieval, (4) Web Data Management, (5) Parallel and Distributed Systems and (6) Knowledge Discovery in Databases. Summary of achievements and perspectives In the past year, InWeb promoted two internal workshops, where five research projects were defined. These projects focus on the four main goals of the institute: cutting edge research, innovation, technology transfer, education of highly qualified human resources, and dissemination of science and technology related to the Web. These five projects are: (1) Web Watch, (2) GreenWeb: Save the Web from Pollution, (3) Portal of Science and Technology, (4) Cahpeta – Content Aware High-PErformance sTream Analyser, and (5) Collection, selection, processing and storage of documents from the official websites. The Web Watch (www.observatorio.inweb.org.br) is the project that produced more results so far, and its main goal is to monitor important events on the Web. At the moment, the impact of the Web in the Brazilian Presidential Elections and the 2010 World Cup are being followed. GreenWeb, in turn, aims at fighting pollution on the Web, i.e., to identify content that does not add any information gain in services provided to the Web user. The Portal of Science and Technology aims at studying science and technology collaboration networks involving Brazilian researchers that participate in all INCTs. Cahpeta, the fourth project, will create an intelligent environment to access streams of information and extract what is relevant from it to be processed and its results disseminated. At last, Collection, Processing and Availability of Web Documents will create documents databases (including text, images, videos, music, etc) and make interfaces and services available for their easy access. InWeb’s goals include the generation of cutting edge research, technology transfer to industry and science dissemination to the general public. We are also organizing a Winter School for secondary level students, where we are going to talk about social networks on the Web. Main publications - Marcos André Gonçalves, Jussara M. Almeida, Luiz G.P. dos Santos, Alberto H.F. Laender, Virgílio Almeida. On Popularity in the Blogosphere. IEEE Internet Computing 14(3): 42-49, 2010. - Fabrício Benevenuto, Tiago Rodrigues, Virgílio A. F. Almeida, Jussara M.Almeida, Marcos André Gonçalves, Keith W. Ross. Video Pollution on the Web. First Monday 15(4), 2010. - Klessius Berlt, Edleno Silva de Moura, André Luiz da Costa Carvalho, Marco Cristo, Nivio Ziviani, Thierson Couto. Modeling the web as a hypergraph to compute page reputation. Information Systems 35(5): 530-543, 2010. Presentation at the Second InWeb Workshop National Institute of Science and Technology in Web Science Management committee Carlos José Pereira de Lucena (Presidente) Nelson Maculan Filho Valmir Carneiro Barbosa Edmundo A. de Souza e Silva Marco Antônio Casanova Claudia Maria Bauzer Medeiros Associated Institutions UFRJ; PUC-RJ; UNICAMP; UFF; UNI-Rio; UERJ; UENF; UFRN; UFC; RNP Main research topics Main publications Associated Institutions UFMG; UFAM; UFRGS; CEFET-MG Contacts 1) Enhancement in interface robustness regarding thermal oxidation in Departmento de Ciência da Computação nanostructured Al2O3 deposited on 4H-SiC, S. A. Corrêa, G. G. Marmitt, N. Main researchers Universidade Federal de Minas Gerais M. Bom, A. T. da Rosa, F. C. Stedile, C. Radtke, G. V. Soares, I. J. R. Baumvol, Alberto H. F. Laender, Arnaldo A. Araújo, Adriano Veloso, Berthier Ribeiro- Av. Antônio Carlos, 6627 - Pampulha C. Krug, A. L. Gobbi, Applied Physics Letters 95, 051916 (2009). -Neto, Clodoveu A. Davis, Dorgival Guedes Neto, Altigran S. da Silva, Belo Horizonte, MG - Brazil 2) Diamond-like carbon deposited by plasma techniques without vacuum pumping, G.A. Viana, E. F. Motta, M.E.H.M. Costa, F.L. Freire Jr., F. C. Edleno S. de Moura, Carlos A. Heuser, Leandro Krug Wives , José Palazzo de Oliveira, Adriano C. Machado, Cristina Duarte Murta 31270-010 Email: virgilio@dcc.ufmg.br Resumo dos resultados e perspectivas Marques, Diamond and Related Materials 19, 756 (2010). www.inweb.org.br 3) Nitriding of yttria-stabilized zirconia in atmospheric pressure micro- Main research topics wave plasma, R. Milani, R.P. Cardoso, T. Belmonte, C.A. Figueroa, C.A. (1) Social Networks, 174 175
Engenharia e Tecnologia da Informação INCT – Institutos Nacionais de Ciência e Tecnologia INCT – Institutos Nacionais de Ciência e Tecnologia Engenharia e Tecnologia da Informação Main publications Breitman, K., Pastor, O., Barbosa, S.D.J. Flexible Narrative Representations: Bridging the gap between Formal Models and Informal Representations. In Flexitools Workshop 2010, ACM/IEEE 32nd International Conference on Software Engineering, ICSE 2010. Cape Town, South Africa, 2-8 May 2010. Cirilo, E.J.R., Nunes, I., Kulesza, U., Lucena, C.J.P. Automating the Product Derivation Process of Multi-Agent Systems Product Lines, Journal of Systems and Software (submitted), 2010. Extended version of the paper presented in the XXIII Simpósio Brasileiro de Engenharia de Software (SBES 2009), Fortaleza, Brazil, pp. 12-21. Cowan, D., Alencar, P., McGarry, F., Lucena, C., Nunes, I. A Web-based Framework for Collaborative Innovation. First Workshop of the Brazilian Institute for Web Science Research (Position paper), 2010. Felipe Quintella, Luciano Soares, Alberto Raposo, DWeb3D: A toolkit for developing X3D applications in a simplified environment,Web3D International Conference on 3D Web Technology, 2010. Los Angeles, 24-25 July, 2010. Gadelha, B., Cirilo, E., Gerosa, M.A., Castro Jr, A., Fuks H., Lucena, C.J.P. An Approach for Developing Component-based Groupware Product Lines using the Groupware Workbench. The 14th International Software Product Line Conference (SPLC 2010), SPLC 2010. Jeju Island, South Korea, 13 - 17 September 2010. José Viterbo, Markus Endler, Gustavo Baptista, A Two-tier Approach for Decentralized Reasoning in Ambient Intelligence, IEEE Intelligent Systems, 2010 (accepted) Contacts webscience@inf.puc-rio.br www.webscience.org.br www.webscience.org.br/wiki National Institute of Science and Technology of Wireless Communication – INCT-CSF Flávio José Vieira Hasselmann Associated Institutions UFRN; PUC/RJ; UFPA; UFMG Main researchers Adaildo Gomes D’Assunção, José Ricardo Bergmann, Luiz Alencar Reis da Silva Mello, Flávio José Vieira Hasselmann, Marlene Sabino Pontes, Laércio Martins de Mendonça, Humberto César Chaves Fernandes, Sandro Gonçalves da Silva, Gervásio Protásio dos Santos Cavalcante, João Crisóstomo Weyl Albuquerque Costa, Carlos Leônidas da Silva Souza Sobrinho, Evaldo Gonçalves Pelaes, Fernando José da Silva Moreira, Cássio Gonçalves do Rego Main research topics • Measurements and propagation models at MW, VHF and UHF for application in the deployment of digital TV and radio systems in Brazil. • WiMax network planning – Measurements and propagation models. • Antennas for the reception of signals by fixed and mobile users and broadband services. Summary of achievements and perspectives To date, four workshops were promoted by INCT-CS, with the participation of researchers and students in the cities of Belem, Natal, and Belo Horizonte. Furthermore, RF measurement campaigns were carried out in Rio de Janeiro, Sao Paulo, Belo Horizonte, Belem, and Natal. Since 2009, several Doctoral thesis were supervised: 2 in UFRN, 2 at PUC-RJ, and 1 in UFMG. Regarding Masters dissertations: 11 at UFRN, 3 at at PUC-RJ, and 2 at UFMG have been supervised. Results of these studies were published in major conferences (IMOC 2009, COMPUMAG 2009, IWATA 2010, EuCAP 2010, Antem 2010, CEFC 2010) and journals. Publications in journals are listed in a following section. There were four measurement campaigns, two in Sao Paulo (medium wave) and two in Belo Horizonte (VHF), to determine the propagation characteristics in urban and suburban areas. We performed a measurement campaign in Rio de Janeiro in the UHF band to characterize the channel systems in SFN Digital TV. In Rio de Janeiro and Natal, measurement campaigns were conducted to characterize the propagation channel systems WiMAX. The results were used in the development and optimization of prediction models to 3.5 GHz. In Belem, measurements were performed at 5.8 GHz. We developed new configurations of microstrip antennas and frequency selective surfaces (FSS) for applications in wireless communications systems. Aspects related to the miniaturization of such antennas are being investigated through the use of fractal structures and substrates with high permittivity. Antennas for broadband and multiband services are being investigated. The increased bandwidth of FSS is being investigated by the use of fractal geometries and coupled structures. Techniques were developed for modeling omnidirectional dual-reflectors based on Geometrical Optics (GO). The objective is to develop design techniques where there is a need to model only one of the reflector surfaces, keeping the other classical (ie, generated by conic sections). The desired radiation profile for the omnidirectional coverage is the cosecant-square elevation in the plane of the antenna. Furthermore, formulations were developed for asymptotic integral operators that allow the determination of complete response of parabolic reflector antennas excited by feeders with arbitrary temporal behavior. The objective is to obtain tools for the analysis and design of UWB antennas. curve”, Microw Opt Technol Lett, v. 52, p. 805-809, 2010. • Carneiro Filho, R., Araújo, J. H., Ginani, M. F., D’Assunção Jr, A. G., Martins, R. A.; D’Assunção, A. G., and Mendonça, L. M., “Simulation and measurement of inset-fed microstrip patch antennas on BiNbO substrates”, Microw Opt Technol Lett, v. 52, p. 1034-1036, 2010. • Araújo, L. M., Maniçoba, R. H. C., Campos, A. L. P. S., and D’Assunção, A. G., “A simple dual-band frequency selective surface”, Microw Opt Technol Lett, v. 51, p. 942-944, 2009. • Cruz, R. M. S., da F. Silva, P. H., and D’Assunção, A. G., “Neuromodeling stop band properties of Koch Island patch elements for FSS filter design”, Microw Opt Technol Lett, v. 51, p. 3014-3019, 2009. • Silva, P. H. F., Cruz, R. M. S., and D’Assunção, A. G., “Blending PSO and ANN for Optimal Design of FSS Filters with Koch Island Patch Elements”, accepted for publication, IEEE Trans. on Magnetics, 2010. • Campos, A. L. P. S., Maniçoba, R. H. C., Araújo, L. M., and D’Assunção, A. G., “Analysis of Simple FSS Cascading with Dual Band Response”, accepted for publication, IEEE Trans. on Magnetics, 2010. • Bergmann, J. R., and Moreira, F. J. S., “Shaping Axis-Symmetric Dual-Reflector Antennas by Combining Conic Sections,” accepted for publication, IEEE Transactions on Antennas and Propagation, 2010. • Nicomedes, W. L., Mesquita, R. C., and Moreira, F. J. S., “An integral meshless-based approach in electromagnetic scattering,” The International Journal for Computation and Mathematics in Electrical and Electronic Engineering (COMPEL), accepted for publication, 2010. • Nicomedes, W. L., Mesquita, R. C., and Moreira, F. J. S., “2-D scattering integral field equation solution through an IMLS meshless-based approach,” IEEE Transactions on Magnetics, accepted for publication, 2010. • Rego, C. G., Gonçalves, S. T. M., and Moreira, F. J. S., “High-frequency • asymptotic formulation for prompt response of parabolic reflector antennas,” AEÜ - International Journal of Electronics and Communications, vol. 64, no. 1, pp. 36-46, Jan. 2010. Contatos Caixa Postal 1655, Campus da UFRN 59078-380 Natal, RN, Brazil Homepage: www. inct.ct.ufrn.br / www.inctcsf.ct.ufrn.br Tel.: +55-84-3215-3907 / 3215-3912; Fax: +55-84-3215-3703 Management committee Adaildo Gomes d’Assunção (Coordinator) José Ricardo Bergmann (Vice-Coordinator) Main publications Gervásio Protásio dos Santos Cavalcante • Oliveira, E. E. C., Silva, P. H. da F., Campos, A. L. P. S., and D’Assunção, 176 Fernando José da Silva Moreira A. G., “Small-size quasi-fractal patch antenna using the Minkowski Mobile unit in field 177
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Ministério da Ciência e Tecnologi
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Introduction The National Institute
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Contents Introduction 5 Agricultura
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Agrárias INCT - Institutos Naciona
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24 Agrárias Henrique G. Zarbin, An
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Energia INCT - Institutos Nacionais
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Energia INCT - Institutos Nacionais
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36 Energia desenvolvimento de técn
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Engenharia e Tecnologia da Informa
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Exatas e Naturais INCT - Institutos
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Humanas e Sociais INCT - Institutos
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