Publications

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dos Anjos, JCS, Assun MD, Bez J, Geyer C, de Freitas EP, Carissimi A, Costa JPCL, Fedak G, Freitag F, Markl V, Fergus P, Pereira R.  2015.  SMART: An Application Framework for Real Time Big Data Analysis on Heterogeneous Cloud Environments, Oct. 2015 IEEE International Conference on Computer and Information Technology; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing. :199-206. Abstract

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dos Anjos, JCS, Galibus T, Geyer CFR, Fedak G, Costa JPCL, Pereira R, Pignaton de Freitas E.  2017.  Fast-Sec: an approach to secure Big Data processing in the cloud. International Journal of Parallel, Emergent and Distributed Systems. :1-16.: Taylor & Francis AbstractWebsite

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Binotto, APD, de Freitas EP, Pereira CE, Stork A, Larsson T.  2008.  Real-time task reconfiguration support applied to an UAV-based surveillance system, Oct. 2008 International Multiconference on Computer Science and Information Technology. :581-588. Abstract

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Binotto, APD, Pignaton de Freitas E, Pereira CE, Larsson T.  2009.  Towards Dynamic Task Scheduling and Reconfiguration using an Aspect Oriented Approach applied on Real-time concerns of Industrial Systems. IFAC Proceedings Volumes. 42:1423-1428., Number 4 AbstractWebsite

13th IFAC Symposium on Information Control Problems in Manufacturing

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Brondani, JR, de Freitas EP, Silva LAL.  2017.  A task-oriented and parameterized (semi) autonomous navigation framework for the development of simulation systems. Procedia Computer Science. 112:534-543., Number Supplement C AbstractWebsite

Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference, KES-20176-8 September 2017, Marseille, France

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Bruscato, LT, de Freitas EP, Heimfarth T, de Araujo JP.  2016.  Self-correcting time synchronization in wireless sensor networks using low-power devices, Oct. IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. :4820-4825. Abstract

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Fiorini, SR, Bermejo-Alonso J, Gon P, de Freitas PE, Alarcos OA, Olszewska JI, Prestes E, Schlenoff C, Ragavan SV, Redfield S, Spencer B, Li H.  2017.  A Suite of Ontologies for Robotics and Automation [Industrial Activities], March. IEEE Robotics Automation Magazine. 24:8-11., Number 1 Abstract

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de Freitas, EP, Heimfarth T, Ferreira AM, Pereira CE, Wagner FR, Larsson T.  2010.  Decentralized task distribution among cooperative UAVs in surveillance systems applications, Feb. 2010 Seventh International Conference on Wireless On-demand Network Systems and Services (WONS). :121-128. Abstract

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de Freitas, EP, Heimfarth T, Pereira CE, Ferreira AM, Wagner FR, Larsson T.  2010.  Experimental Analysis of Coordination Strategies to Support Wireless Sensor Networks Composed by Static Ground Sensors and UAV-Carried Sensors, Sept. International Symposium on Parallel and Distributed Processing with Applications. :152-161. Abstract

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de Freitas, PE, Heimfarth T, Netto IF, Pereira CE, Ferreira AM, Wagner FR, Larsson T.  2011.  Handling Failures of Static Sensor Nodes in Wireless Sensor Network by Use of Mobile Sensors, March. 2011 IEEE Workshops of International Conference on Advanced Information Networking and Applications. :127-134. Abstract

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de Freitas, EP, Wehrmeister MA, Pereira CE, Larsson T.  2008.  Real-time support in adaptable middleware for heterogeneous sensor networks, Oct. 2008 International Multiconference on Computer Science and Information Technology. :593-600. Abstract

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de Freitas, PE, Heimfarth T, Pereira CE, Ferreira MA, Wagner RF, Larsson T.  2009.  Evaluation of coordination strategies for heterogeneous sensor networks aiming at surveillance applications, Oct. 2009 IEEE Sensors. :591-596. Abstract

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Freitas, EP, Wehrmeister MA, Pereira CE, Ferreira AM, Larsson T.  2009.  Multi-Agents Supporting Reflection in a Middleware for Mission-Driven Heterogeneous Sensor Networks. Proceedings of 3rd International Workshop on Agent Technology for Sensor Networks. :25-32., Budapest Abstract

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d. Freitas, EP, Wagner FR, Heimfarth T, Pereira CE, Ferreira AM, Larsson T.  2009.  An agent framework to support sensor networks' setup and adaptation, Oct. 2009 International Multiconference on Computer Science and Information Technology. :619-626. Abstract

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de Freitas, EP, Heimfarth T, Netto IF, Lino CE, Pereira CE, Ferreira AM, Wagner FR, Larsson T.  2010.  UAV relay network to support WSN connectivity, Oct. International Congress on Ultra Modern Telecommunications and Control Systems. :309-314. Abstract

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de Freitas, PE, Heimfarth T, Netto FI, de S GA, Pereira CE, Ferreira MA, Wagner RF, Larsson T.  2010.  Enhanced Wireless Sensor Network setup strategy supported by intelligent software agents, Nov. 2010 IEEE Sensors. :813-816. Abstract

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Galibus, T, de B. Vieira TP, de Freitas EP, de O. Albuquerque R, ao C. L da Costa JP, T. de Sousa Júnior R, Krasnoproshin V, Zaleski A, Vissia HERM, del Galdo G.  2017.  Offline Mode for Corporate Mobile Client Security Architecture, Aug. Mobile Networks and Applications. 22:743–759., Number 4 AbstractWebsite

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Preventing data leakage on the mobile client is a crucial security problem. Therefore, additional control and protection should be taken for the confidential data on the mobile clients that leave the boundaries of the organization. This paper presents a novel approach to the security of the corporate mobile clients, in particular when they operate in the offline mode. The presented approach includes the essential conceptualization and the definition of the core methodology to solve the problem of offline mobile security, i.e. the protection of the confidential data in use when the mobile client is not connected to the corporate cloud. The protection of the sensitive data is provided by the combination of cryptographic means and analytics methods to detect malicious user behavior. The proposed security architecture supports the basic mobile client protection principles: minimized traffic load and reduced communication with the cloud; usage of light-weighted operations and an optimized combination of the security methods.

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Heimfarth, T, de Oliveira HE, de Freitas EP.  2013.  Alarm delivery to Unmanned Aerial Vehicles in wireless sensor networks using coordinators, June. 16th IEEE International Symposium on Object/component/service-oriented Real-time distributed Computing (ISORC 2013). :1-8. Abstract

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Heimfarth, T, de Freitas PE, Pereira CE, Ferreira AM, Wagner FR, Larsson T.  2010.  Experimental Analysis of a Wireless Sensor Network Setup Strategy Provided by an Agent-Oriented Middleware, April. 2010 24th IEEE International Conference on Advanced Information Networking and Applications. :820-826. Abstract

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Heimfarth, T, Giacomin JC, d. Araujo JP, d. Freitas EP.  2016.  A Preamble Ahead Anycast Protocol for WSNs, March. 2016 IEEE 30th International Conference on Advanced Information Networking and Applications (AINA). :458-466. Abstract

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Khan, ZA, de Freitas PE, Larsson T, Abbas H.  2013.  A Multi-agent Model for Fire Detection in Coal Mines Using Wireless Sensor Networks, July. 2013 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications. :1754-1761. Abstract

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Lampoltshammer, TJ, Pignaton de Freitas E, Nowotny T, Plank S, da Costa JPCL, Larsson T, Heistracher T.  2014.  Use of Local Intelligence to Reduce Energy Consumption of Wireless Sensor Nodes in Elderly Health Monitoring Systems. Sensors. 14:4932–4947., Number 3 AbstractWebsite

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The percentage of elderly people in European countries is increasing. Such conjuncture affects socio-economic structures and creates demands for resourceful solutions, such as Ambient Assisted Living (AAL), which is a possible methodology to foster health care for elderly people. In this context, sensor-based devices play a leading role in surveying, e.g., health conditions of elderly people, to alert care personnel in case of an incident. However, the adoption of such devices strongly depends on the comfort of wearing the devices. In most cases, the bottleneck is the battery lifetime, which impacts the effectiveness of the system. In this paper we propose an approach to reduce the energy consumption of sensors’ by use of local sensors’ intelligence. By increasing the intelligence of the sensor node, a substantial decrease in the necessary communication payload can be achieved. The results show a significant potential to preserve energy and decrease the actual size of the sensor device units.

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Marinho, MAM, da Costa JPCL, Antreich F, de Almeida ALF, Galdo DG, de Freitas EP, Vinel A.  2016.  Array interpolation based on multivariate adaptive regression splines, July. 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM). :1-5. Abstract

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Marinho, MAM, Ferreira RSJ, d. Costa JPCL, d. Freitas EP, Antreich F, Liu K, So HC, d. Sousa RTJ, Zelenovsky R.  2013.  Antenna Array Based Positioning Scheme for Unmanned Aerial Vehicles, March. WSA 2013; 17th International ITG Workshop on Smart Antennas. :1-6. Abstract

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Marinho, MAM, de Freitas EP, da Costa LJPC, de Almeida ALF, de Sousa RT.  2013.  Using cooperative MIMO techniques and UAV relay networks to support connectivity in sparse Wireless Sensor Networks, Jan. 2013 International Conference on Computing, Management and Telecommunications (ComManTel). :49-54. Abstract

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